The present invention relates to a static mixer duct (10) having the form of a channel (11) being open on its top, wherein the static mixer duct comprises an inlet (16) at an upstream end of the channel, an outlet (18) at an opposite downstream end of the channel and at least two blades (22, 22') being arranged at least substantially coplanar within the channel between the inlet and outlet, wherein substantially coplanar means that the blades are inclined with each other with regard to a plane extending through the channel by not more than 10°, wherein each of the blades has an upstream surface (32) being oriented towards the inlet and an opposite downstream surface (34), wherein at least one additive injection opening (44, 44') is provided in, on or above the downstream surface of each of the blades.
B01F 25/313 - Mélangeurs à injecteurs dans des conduits ou des tubes dans lesquels circule le composant principal dans lesquels des composants supplémentaires sont introduits au centre du conduit
B01F 25/00 - Mélangeurs à écoulementMélangeurs pour matières tombantes, p. ex. particules solides
2.
Process For the Production of Dimethyl Ether and Hydrogen from Methane Using a Solid Metal Oxide Reagent
The present invention relates to a process for producing dimethyl ether (DME) and hydrogen (H2) from methane, comprising the steps of: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one halogen reactant (X2), under reaction conditions effective to produce an effluent stream comprising methyl halide (MeX), and hydrogen halide (HX); c) separating from the effluent stream obtained in step b): (i) a methyl halide (MeX) stream; and, (ii) a hydrogen halide (HX) stream; d) reacting the methyl halide (MeX) stream separated in step c) with a solid metal oxide (MO(s)) under reaction conditions effective to produce metal halide (MX) and dimethyl ether (DME); and e) decomposing by means of electrolysis said hydrogen halide (HX) stream separated in step c) under conditions effective to produce a gaseous hydrogen (H2) stream and a stream comprising halogen reactant (X2).
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
A method of electrolysing hydrogen bromide comprising the steps i) brominating a hydrocarbon such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode, wherein the hydrogen bromide fed in step iii) and/or the hydrogen bromide fed in step iv) is hydrogen bromide produced in step i).
The present invention relates to a process for producing methanol (MeOH) and hydrogen (H2) from methane, comprising the steps: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one halogen reactant (X2), under reaction conditions effective to produce an effluent stream comprising methyl halide (MeX), hydrogen halide (HX); c) separating from the effluent stream obtained in step b): (i) a methyl halide (MeX) stream, optionally comprising unreacted methane; and, (ii) a hydrogen halide (HX) stream; d) reacting the methyl halide (MeX) stream separated in step c) with a solid metal hydroxide (MOH(s)) under reaction conditions effective to produce metal halide (MX) and methanol (MeOH); and, e) decomposing by means of electrolysis said hydrogen halide (HX) stream separated in step c) under conditions effective to produce a gaseous hydrogen (H2) stream and a stream comprising halogen reactant (X2).
C07C 29/58 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par élimination d'halogène, p. ex. par hydrogénolyse, par coupure
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
B01J 8/02 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules immobiles, p. ex. dans des lits fixes
A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg≥110° C. in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems from a bromination of a hydrocarbon.
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
6.
HIGH PERFORMANCE LIQUID COLLECTOR AND GAS DISTRIBUTOR SYSTEM FOR A SEPARATION DEVICE
The present invention relates to a liquid collector and gas distributor system for a separation device, such as for a mass transfer column, in particular for a packing column for distillation or absorption, wherein the liquid collector and gas distributor system comprises at least two layers of liquid collection channels, wherein the at least two layers of liquid collection channels are arranged one above the other and each layer of liquid collection channels comprises at least three liquid collection channels being arranged adjacent to each other, but spaced apart thus forming a gap between each two adjacent liquid collection channels of a layer, wherein, seen in top view, at least 60% of the area of the liquid collector and gas distributor system is covered by the liquid collection channels, and wherein, seen in top view, the ratio of the portion of the area of a layer of liquid collection channels being covered by the liquid collection channels divided by the total area of the layer of liquid collection channels is different to the, seen in top view, ratio of the portion of the area of at least one other layer of liquid collection channels being covered by the liquid collection channels divided by the total area of the layer of liquid collection channels.
B01D 3/00 - Distillation ou procédés d'échange apparentés dans lesquels des liquides sont en contact avec des milieux gazeux, p. ex. extraction
B01D 3/20 - Calottes de barbotageColonnes montantes pour la vapeurTubes d'évacuation pour le liquide
F25J 3/04 - Procédés ou appareils pour séparer les constituants des mélanges gazeux impliquant l'emploi d'une liquéfaction ou d'une solidification par rectification, c.-à-d. par échange continuel de chaleur et de matière entre un courant de vapeur et un courant de liquide pour l'air
B01D 53/18 - Unités d'absorptionDistributeurs de liquides
7.
STRUCTURED PACKING ELEMENT WITH HIGH PERFORMANCE MICROSTRUCTURE
The present invention relates to a structured cross-channel packing element for a column for mass transfer and/or heat exchange between a heavy and a light fluid phase, wherein A structured cross-channel packing element for a column for mass transfer and/or heat exchange between a heavy and a light fluid phase, wherein the structured cross-channel packing element comprises at least two adjacent lay- ers made of sheets each comprising openings, which are surrounded and sepa- rated from each other by separating elements, wherein at least two of the at least two layers are arranged parallel and in touching contact with each other so that an open space extending from one end to the opposite end of the at least two layers is provided between them so that at least one of the heavy and the light fluid phase may flow through it, wherein neighboring opening in the sheet of at least one layer overlap with each other so that each cross-sectional plane of the at least one layer comprises at least one opening s, wherein the ratio between the average grid thickness g of at least one layer and the sheet material thickness s is at most 5.0, and wherein the average grid thickness g of at least one layer is less than 1.0 mm.
B01J 19/32 - Éléments de remplissage en forme de grille ou d'éléments composés de plusieurs pièces pour constituer une unité ou un module dans l'appareil de transfert de chaleur ou de matière
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Environmental control apparatus and installations, namely
regulators for heating and cooling apparatus and for
apparatus for fluids; heat exchange and material exchange
apparatus, other than parts of machines; coolers, in
particular coolers for cooling steam coming out of a
pyrolysis reactor; condenser, in particular condenser for
condensing steam coming out of a pyrolysis reactor. Treatment and transformation of materials; recycling of
components from waste and trash, in particular recycling of
raw materials, chemical products or chemical substances from
polymer waste and polymer trash. Engineering services, in particular in the field of chemical
installation planning and construction; planning and design
of chemical installations for recycling of polymer waste and
trash.
9.
VERTICAL AXIAL GAS-LIQUID CYCLONE WITH HIGH CAPACITY
The present invention relates to a cyclone for separating fluid from a gas-liquid-mixture comprising: a) a first hollow body, wherein the first hollow body comprises a peripheral wall, a lower end, an upper end and a swirl element, wherein the upper end as well as the lower end of the first hollow body are open, the peripheral wall comprises at least one perforation and the swirl element is provided in the first hollow body at or above its lower end, and b) a second hollow body, wherein the second hollow body comprises a peripheral wall, a lower end and an upper end, wherein the second hollow body partially surrounds the first hollow body so that one or more channels having each an upper end and a lower end are formed between the outer side of the peripheral wall of the first hollow body and the inner side of the peripheral wall of the second hollow body, wherein the lower end of the second hollow body is located in a vertical distance above the lower end of the first hollow body, wherein each upper end of the one or more channels is fluid tightly closed and each upper end of the one or more channels is partially closed so that one or more openings are formed therein, and wherein the vertical distance between the lower end of the first hollow body and the lower end of the second hollow body is 10 to 40% of the height of the first hollow body.
A separating grid includes a separating unit arranged, when in use, in a position of inclination obliquely upwards in the direction of flow of running water, fixed grid bars, movable grid bars, and a drive unit connected to the movable grid bars to actuate the movable grid bars to interact with the solid particles and to draw the solid particles out of the running water and to carry the solid particles upwards along the fixed grid bars. A position detection device detects the top position or the bottom position of the movable grid bars. A water level detection device detects the water level of the running water. A control device controls the drive unit according to information from the position detection device regarding the position of the movable grid bars and information from the water level detection device regarding the water level.
B01D 33/01 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à éléments filtrants mobiles en translation, p. ex. pistons
B01D 29/44 - Éléments filtrants à arêtes, c.-à-d. utilisant des surfaces imperméables adjacentes
B01D 29/60 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants combinés dans une même structure à des dispositifs de commande de la filtration
The disclosure provides a process for producing methanol and hydrogen from methane. The process of the disclosure comprises the steps of: •a) providing a gaseous feed stream comprising methane: •b) reacting said gaseous feed stream with at least one halogen reactant •under reaction conditions effective to produce an effluent stream comprising methyl halide, hydrogen halide •optionally poly halogenated alkanes •and optionally unreacted methane: •c) recovering said an effluent stream •d) reacting the recovered effluent stream with water and at least one organic base under reaction conditions effective to produce an aqueous solution of hydrogen halide •and a methanol stream comprising methanol (MeOH) and dimethyl ether (DME) and/or optionally unreacted methane, and, c) decomposing by means of electrolysis said aqueous solution of hydrogen halide under conditions effective to produce a gaseous hydrogen stream and a stream comprising halogen reactant.
C07C 29/124 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrolyse d'esters d'acides minéraux d'halogénures
C07C 17/06 - Préparation d'hydrocarbures halogénés par addition d'halogènes combinée avec le remplacement d'atomes d'hydrogène par des halogènes
A method for fractionating a crude composition comprising at least six fatty acids each having a different chain length into at least four fractions is provided. The method comprises feeding the crude composition into a first distillation column to obtain a first overhead fraction and a first bottom fraction, feeding the first bottom fraction to a second distillation column to obtain a second overhead fraction and a second bottom fraction, feeding the second bottom fraction to a third distillation column to obtain a third overhead fraction and a third bottom fraction, and feeding the third bottom fraction to a fourth distillation column to obtain a fourth overhead fraction, a fourth side fraction and a fourth bottom fraction. At least one of the first distillation column, the second distillation column and the third distillation column is a middle dividing-wall column, from which also at least two side fractions are obtained.
A method for producing n-hexane is provided. The method comprises producing an isomerate stream in an isomerization unit comprising at least one isomerization reactor, feeding the isomerate stream into a dividing-wall distillation column and distilling the isomerate stream. The method further comprises removing from the dividing-wall distillation column four separate streams, the four separate streams being a light isomerate stream, a heavy isomerate stream, a purified n-hexane stream and an isomerate process recycle stream. The method comprises recycling the isomerate process recycle stream to at least one of the at least one isomerization reactor of the isomerization unit.
The present invention relates to a valve for a mass transfer contact tray comprising a central portion and two leg portions, wherein the central portion is - seen in the cross-section of the valve - non-planar and comprises a front edge, two side edges and a rear edge, wherein a first of the two leg portions is connected at least partially with the front edge of the central portion and extends with a first inclination angle towards the base plane of the central portion downwardly, wherein the other, second leg portion is connected at least partially with the rear edge of the central portion and extends with a second inclination angle towards the base plane of the central portion downwardly, and wherein the first inclination angle is different to the second inclination angle.
A rotary pump for conveying a process fluid includes a pump housing with an inlet and an outlet, a pump shaft to rotate about an axial direction, a hydraulic unit to convey and pressurize a process fluid, the hydraulic unit including an impeller fixedly mounted on the pump shaft. a balance device to balance an axial thrust generated by the hydraulic unit, the balance device including a balance disc fixedly connected to the pump shaft and having a rotary slide face, and a stationary part fixedly connected to the pump housing and having a stationary slide face, the rotary slide face and the stationary slide face facing each other, and a radial relief passage disposed between the rotary slide face and the stationary slide face, each of the rotary slide face and the stationary slide face comprising at least 30% by volume diamond.
C07C 7/10 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par extraction, c.-à-d. purification ou séparation d'hydrocarbures liquides à l'aide de liquides
C10G 1/10 - Production de mélanges liquides d'hydrocarbures à partir de schiste bitumineux, de sable pétrolifère ou de matières carbonées solides non fusibles ou similaires, p. ex. bois, charbon à partir de caoutchouc ou de déchets de caoutchouc
C10G 21/22 - Composés organiques uniquement contenant du soufre, du sélénium ou du tellure
C10G 21/27 - Composés organiques non prévus par l'un des groupes
17.
A REACTOR AND A METHOD FOR PERFORMING A POLYCONDENSATION OR DEPOLYMERIZATION REACTION
The present invention relates to a reactor, in particular for performing a polycondensation or depolymerization reaction, which comprises at least one inlet, at least one product outlet line, a liquid zone, an internal zone and a gas zone comprising at least one gas outlet line, wherein the internal zone is arranged above the liquid zone, wherein the gas zone is arranged above the internal zone, and, wherein the gas zone has a larger cross-sectional area than the internal zone, wherein the gas zone comprises a de-entrainment element being connected with a wash liquid inlet being provided in the gas zone and a wash liquid outlet being provided in the gas zone, and wherein the internal zone comprises one or more internals being selected from the group consisting of beds of structured packings, of beds of random packings and of mixing heat exchange elements for increasing the surface to volume ratio within the internal zone, wherein the one or more internals have a specific surface area of 10 to 1,000 m2/m3.
B01J 4/00 - Dispositifs d'alimentationDispositifs de commande d'alimentation ou d'évacuation
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
B01J 19/24 - Réacteurs fixes sans élément interne mobile
B01J 19/32 - Éléments de remplissage en forme de grille ou d'éléments composés de plusieurs pièces pour constituer une unité ou un module dans l'appareil de transfert de chaleur ou de matière
C08G 63/181 - Acides contenant des cycles aromatiques
C08G 63/06 - Polyesters dérivés soit d'acides hydroxycarboxyliques, soit d'acides polycarboxyliques et de composés polyhydroxylés dérivés des acides hydroxycarboxyliques
18.
LIQUID DISTRIBUTOR SYSTEM FOR A SEPARATION DEVICE WITH EXCELLENT LIQUID MIXING AND LIQUID DISTRIBUTION PERFORMANCES
A liquid distributor system for a separation device, such as for a mass transfer column, in particular for a packing column for absorption, stripping, scrubbing or distillation, wherein the liquid distributor system comprises: - a liquid collection means comprising one or more collector members, each of which comprising one or more discharge openings, - a liquid distribution means comprising one or more distributor members comprising a plurality of discharge openings and - at least one mixing trough comprising a plurality of discharge openings, wherein the at least one mixing trough is arranged below the liquid collection means so that liquid being contained in the one or more collector members of the liquid collection means flows through at least one of the one or more discharge openings of the one or more collector members into the at least one mixing trough, wherein the at least one mixing trough is arranged so that liquid being contained in the at least one mixing trough flows through at least one of the plurality of discharge openings of the at least one mixing trough into the liquid distribution means, wherein the number of discharge openings and/or the surface area of the discharge openings of the at least one mixing trough are unevenly distributed, wherein the at least one mixing trough comprises, seen in the longitudinal direction of the at least one mixing trough, a plurality of segments each comprising a cluster of discharge openings, wherein between each two adjacent segments comprising a cluster of discharge openings a segment being free of discharge openings is provided, wherein - except a segment comprising a cluster of discharge openings being arranged, seen in the longitudinal direction of the at least one mixing trough, at one side of the at least one mixing trough and except a segment comprising a cluster of discharge openings being arranged, seen in the longitudinal direction of the at least one mixing trough, at the corresponding position on the opposite side of the at least one mixing trough - the total discharge opening surface areas of the segments each comprising a cluster of discharge openings increase from each of both ends towards the mid of the mixing trough.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Treatment and transformation of materials; recycling of components from waste and trash, in particular recycling of raw materials, chemical products or chemical substances from polymer waste and polymer trash. Environmental control apparatus and installations, namely regulators for heating and cooling apparatus and for apparatus for fluids; heat exchange and material exchange apparatus, other than parts of machines; coolers, in particular coolers for cooling steam coming out of a pyrolysis reactor; condenser, in particular condenser for condensing steam coming out of a pyrolysis reactor. Engineering services, in particular in the field of chemical installation planning and construction; planning and design of chemical installations for recycling of polymer waste and trash.
20.
MULTISTAGE CENTRIFUGAL PUMP FOR PUMPING FLUID, AN IMPELLER/ SHAFT ASSEMBLY AND A METHOD FOR ASSEMBLING AN IMPELLER/ SHAFT ASSEMBLY
A multistage centrifugal pump for pumping fluid includes a pump housing having a fluid inlet and a fluid outlet and a flow channel between the inlet and the outlet in the housing. The pump housing includes a number of pumping stages. A shaft is mounted by bearings for rotation about a center axis, and a number of impellers each including a hub having an axial opening are to be fitted on the shaft. When in operation, power is transmitted though the rotating shaft to the impellers, causing torque, radial forces and axial forces. Over the length of the shaft where the impellers are configured to be assembled, the shaft has a diameter that is smaller than the inner diameter of the hub and an adaptor ring is arranged in the axial opening of the hub to transmit the radial forces between the impeller and the shaft.
The present invention relates to a method for preparing a purified methyl methacrylate composition from a crude composition containing methyl methacrylate comprising the steps of: a) providing as crude composition a pyrolyzed composition obtained by pyrolysis of a polymethyl methacrylate composition, b) subjecting the pyrolyzed composition to at least one distillation step so as to obtain a methyl methacrylate enriched composition and c) then subjecting the methyl methacrylate enriched composition to at least one melt crystallization step so as to obtain the purified methyl methacrylate composition.
C07C 67/54 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation par distillation
C07C 67/52 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation
C07C 67/333 - Préparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par isomérisationPréparation d'esters d'acides carboxyliques par modification de la partie acide de l'ester sans introduction d'un groupe ester par modification de la taille du squelette carboné
C08J 11/12 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation uniquement par traitement à la chaleur sèche
22.
METHOD FOR PROTECTING COALESCER ELEMENTS OF AN ELECTROSTATIC COALESCER DEVICE AGAINST ELECTRICALLY INDUCED EROSION AND/OR PARTIAL DISCHARGES
A method for protecting coalescer elements is provided. The method comprises: providing a device comprising a vessel that contains at least two coalescer elements each including an electrode; feeding a mixture into the vessel; supplying AC voltage to the electrodes; and time-resolved determining an electrical impedance of at least one of the electrodes and determining whether the electrical impedance has been changed within a predetermined time period of at most 1 second by more than a predetermined threshold of at least 0.25%. If so, a voltage supplied to the at least one of the electrodes is quenched or reduced to at most 70% of the AC voltage supplied to the electrode at a time of determining a change of the electrical impedance until at least one of: the change of the electrical impedance lies within a first predetermined range and the electrical impedance lies within a second predetermined range.
A rotary pump for conveying a fluid is proposed, comprising a pump housing (2) with an inlet (3) for receiving the fluid, an outlet (4) for discharging the fluid, a pump shaft (6) configured for rotating about an axial direction (A), at least one impeller (5) fixedly mounted on the pump shaft (6), and a bearing assembly (7) comprising a bearing housing (71), wherein the bearing assembly (7) is configured for supporting the pump shaft (6). A sensor assembly (9) is arranged adjacent to the pump shaft (6) and configured for measuring a magnetic signal generated by the pump shaft (6), wherein the sensor assembly (9) comprises at least one magnetic sensor (92) configured as a non-contact magnetic sensor (92). In addition, a method for determining the operational condition of such a rotary pump (1) is proposed.
A method for producing a graded polymer foam comprising the steps of: • a) providing a polymer melt containing at least one blowing agent, • b) providing a die, at least one blowing agent injection means and at least one baffle which subdivides the die channel, into at least two die sections that combine at the downstream end of the die, • c) feeding the polymer melt containing at least one blowing agent into the die inlet,. d) injecting additional blowing agent through the at least one blowing agent injection means within the die into the polymer melt in a position being, seen in the direction from the die inlet to the die outlet of the die, upstream of the upstream end of the baffle, and • e) mixing the polymer melt, after the blowing agent has been injected into it in step d) with at least one mixing means.
B29C 31/04 - Alimentation, p. ex. chargement d'une cavité de moulage
B29C 44/04 - Moulage par pression interne engendrée dans la matière, p. ex. par gonflage ou par moussage pour la fabrication d'objets de longueur définie, c.-à-d. d'objets séparés formés d'au moins deux parties en matière chimiquement ou physiquement différente, p. ex. ayant des densités différentes
B29C 44/34 - Éléments constitutifs, détails ou accessoiresOpérations auxiliaires
B29C 44/50 - Alimentation en matière à mouler dans une cavité de moulage ouverte ou sur une surface mobile, c.-à-d. pour la fabrication d'objets de longueur indéfinie par différence de pression, p. ex. par extrusion ou par pulvérisation
The present invention relates to a method of contacting a gas containing carbon dioxide with a liquid, which is an aqueous solution comprising i) one or more ions being selected from the group consisting of alkaline metal ions, alkaline earth metal ions and combinations thereof and/or ii) one or more cations or elements being no alkaline metal ions and no alkaline earth metal ions, but being able to chemically bond with a carbonate group so as to form one or more solid carbonate salts, in a column for mass transfer and/or heat exchange comprising at least one structured cross-channel packing element, wherein the contact of the gas with the liquid may lead to corrosion of the material of the at least one structured cross-channel packing element and/or to the formation of a solid precipitate, wherein the at least one structured cross-channel packing element is a block comprising a plurality of sheets with periodic deformations, wherein the sheets are arranged in the longitudinal direction parallel and in touching contact with each other so that an open space extending from one end to the opposite end of the sheets is provided between them, wherein the open space is defined by the periodic deformations, wherein adjacent sheets are oriented such that the periodic deformations of the adjacent sheets intersect in crisscross fashion with each other, wherein the sheets are non-perforated and made of a plastic, a metal or a metal alloy, and wherein the sheets are held together without any fixation means or with one or more ties or wires surrounding the plurality of sheets of the at least one structured crosschannel packing element.
B01J 19/32 - Éléments de remplissage en forme de grille ou d'éléments composés de plusieurs pièces pour constituer une unité ou un module dans l'appareil de transfert de chaleur ou de matière
B01J 19/02 - Appareils caractérisés par le fait qu'ils sont construits avec des matériaux choisis pour leurs propriétés de résistance aux agents chimiques
A belt filter (1) for removing particles from a fluid comprises a vessel (10), a continuous screen belt (32) forming a loop having an upper surface and a lower surface, and a support structure (34, 36) being adapted to drive the continuous screen belt (32). A belt cleaning device (40) is provided below the lower surface of the belt (32) and comprises a transverse shaft (42) having a mantle surface, and a plurality of cleaning elements (44) attached to the shaft (42). Each of the cleaning elements (44) comprises an elongated member having a longitudinal extension along the shaft (42), and a radial extension away from the mantel surface of the shaft (42), wherein the radial extension is equal to or less than a distance between the mantle surface of the shaft and the lower surface of the screen belt (32), an efficient and careful cleaning of the belt is provided.
B01D 33/04 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à bandes filtrantes ou analogues supportées par des cylindres imperméables pour la filtration
B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Industrial furnaces, boilers, burners and ovens; heating
apparatus, powered heating apparatus. Treatment of gas flows and particularly fuel gases; fuel
treatment services, including removal of sulfur compounds
and nitrogen compounds from fuel gases.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Polymerization installations; heat exchangers; evaporators. Treatment and processing of materials; custom manufacture of
polymers according to a customer's specifications; custom
manufacture of biological-based polymers according to a
customer's specifications; custom manufacture of
polylactides, rubbers and polyolefins according to a
customer's specifications; polymerization; recycling of
elements contained in waste and trash, in particular
recycling of raw material, chemicals or chemical
compositions contained in waste and trash; treatment
(purification) of raw materials, chemical products or
chemical compositions, in particular raw material, chemical
products or chemical compositions, derived from waste and
trash. Engineering services, in particular in the field of chemical
plant design and construction; design and planning of
chemical plants for polymer manufacture.
A centrifugal pump includes a pump casing having a central axis defining an axial direction, a pump chamber, an impeller arranged within the pump chamber and rotatable about the axial direction, a discharge passage for discharging the fluid from the pump chamber, and a tongue for guiding the fluid to the discharge passage. The tongue includes an inner surface facing the central axis, an outer surface facing away from the central axis, and a leading edge joining the inner surface and the outer surface. The tongue includes a flow passage extending from the inner surface through the tongue to the outer surface.
Compressors. Thermal and heat exchangers, in particular distillation
apparatus, distillation systems comprising a distillation
column, a compressor and a heater; distillation columns; air
or fluid heaters, in particular thermal fluid heaters.
A submersible pump includes a housing having first and second compartments. A first flow passage is between the first and second compartments. A drive unit includes a drive shaft connected to a drive end of a pump shaft to drive rotation of the pump shaft, and an electric rotates the drive shaft about the axial direction. The electric motor is arranged inside the first compartment and a hydraulic unit is arranged inside the second compartment, The pump is a seal-less pump without a mechanical seal at the pump shaft and the drive shaft. A dosing unit receives environmental fluid, and a dosing unit provides a dosing fluid from the environmental fluid. The dosing unit is for dosing a presettable amount of the dosing fluid into the first compartment and through a first flow passage into the second compartment.
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 7/02 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge
The present invention relates to a method for purifying ethylene carbonate from a crude ethylene carbonate composition comprising the steps of: a) subjecting a crude composition containing ethylene carbonate to at least one distillation step so as to obtain a pre-purified composition containing at least 99.5% by weight of ethylene carbonate and b) subjecting the pre-purified composition obtained in step a) to at least one melt crystallization step so as to obtain a purified ethylene carbonate composition, wherein in step a) as the distillation column, if step a) comprises one distillation step, or as the first distillation column, if step a) comprises two or more distillation steps, a bottom dividing-wall distillation column is used, which comprises a dividing wall being connected with and extending from the bottom of the bottom dividing-wall distillation column upwards over a part of the height of the bottom dividing-wall distillation column thereby subdividing the bottom section of the dividing-wall distillation column, seen in cross-section of the dividing-wall distillation column, into a first bottom subsection and into a second bottom subsection.
The present invention relates to a method for purifying ethylene carbonate from a crude ethylene carbonate composition comprising the steps of: a) subjecting a crude composition containing ethylene carbonate to at least one distillation step so as to obtain a pre-purified composition containing at least 99.5% by weight of ethylene carbonate and b) subjecting the pre-purified composition obtained in step a) to at least one melt crystallization step so as to obtain a purified ethylene carbonate composition, wherein the method is performed in a plant comprising at least one distillation column, one vessel, at least one crystallizer and a feed line for a crude composition containing ethylene carbonate, wherein the distillation column, if the plant comprises one distillation column, or the first distillation column, if the plant comprises two or more distillation columns, comprises an overhead outlet line, a bottom outlet line and a side outlet line, wherein the at least one crystallizer comprises an inlet line for a pre-purified composition and an outlet line for purified ethylene carbonate composition, wherein the side outlet line of the distillation column is directly or indirectly connected with the inlet line for pre-purified composition of the at least one crystallizer, wherein i) either the vessel is connected with the feed line for a crude composition containing ethylene carbonate and with an inlet line, wherein the inlet line is connected with a gas outlet of a first reboiler, wherein the first reboiler is further connected with the bottom outlet line of the distillation column, wherein the vessel further comprises an outlet line leading via a second reboiler to an inlet line of the distillation column, wherein the bottom fraction of the distillation column being withdrawn from the distillation column via the bottom outlet line is partially evaporated in the first reboiler so as to obtain a gaseous fraction and a liquid fraction, or ii) the feed line for a crude composition containing ethylene carbonate leads into the distillation column, wherein the bottom outlet line of the distillation column leads via a first reboiler to the vessel, wherein the vessel comprises a gas outlet being connected with an inlet line of the distillation column and the vessel comprises a liquid outlet being connected with a line leading into a second reboiler, wherein the second reboiler comprises an outlet for gas being connected with an inlet line of the distillation column, wherein the bottom fraction of the distillation column being withdrawn from the distillation column via the bottom outlet line is partially evaporated in the first reboiler, wherein at least a portion of the gaseous fraction obtained in the first reboiler is recycled into the distillation column via the inlet line.
The present invention relates to a process for recycling polystyrene waste containing at least one organic halogen containing compound by converting polystyrene to styrene comprising the steps of: a) providing a melt of polystyrene waste containing at least one organic halogen containing compound, b) subjecting the melt provided in step a) to at least one devolatilization step so as to obtain a devolatilized composition, c) subjecting the devolatilized composition obtained in step b) to at least one pyrolysis step so as to obtain a pyrolyzed composition, d) subjecting the pyrolyzed composition to at least one distillation step so as to obtain a purified styrene composition.
C07C 4/22 - Préparations d'hydrocarbures à partir d'hydrocarbures contenant un plus grand nombre d'atomes de carbone par dépolymérisation en monomère d'origine, p. ex. dépolymérisation du dicyclopentadiène pour obtenir du cyclopentadiène
C08J 11/02 - Récupération ou traitement des résidus des solvants, des plastifiants ou des monomères n'ayant pas réagi
C08J 11/12 - Récupération ou traitement des résidus des polymères par coupure des chaînes moléculaires des polymères ou rupture des liaisons de réticulation par voie chimique, p. ex. dévulcanisation uniquement par traitement à la chaleur sèche
A centrifugal pump for conveying a fluid is proposed includes a pump housing and a bearing housing fixedly connected with the pump housing. The pump housing includes an inlet nozzle for receiving the fluid, a volute for accommodating an impeller, and an outlet nozzle for discharging the fluid. A shaft is arranged in the pump housing and rotates the impeller about an axial direction. The centrifugal pump is a foot mounted, horizontal overhung pump having two support legs fixedly connected to the volute of the pump housing, and mount the centrifugal pump to a base. A third support leg is fixedly connected to the inlet nozzle and is to be mounted to the base.
F04D 29/62 - MontageAssemblageDémontage des pompes radiales ou hélicocentrifuges
36.
PLANT AND PROCESS FOR SEPARATING AMMONIA AND CARBON DIOXIDE CONTAINING WASTEWATER STREAM TO CONCENTRATED AQUEOUS AMMONIA SOLUTION AND PURIFIED WASTEWATER STREAM
A process of treating a wastewater stream containing an ammonia and carbon dioxide comprising: feeding the wastewater stream into a carbon dioxide degasser column; withdrawing a gaseous carbon dioxide rich stream as a first overhead fraction and a liquid carbon dioxide depleted stream as the first bottom fraction from the carbon dioxide degasser column; feeding the liquid carbon dioxide depleted stream into an ammonia stripper column; withdrawing a gaseous ammonia rich stream as a second overhead fraction and a purified wastewater stream containing at most 1,000 ppm dissolved ammonia as a second bottom fraction from the ammonia stripper column; feeding the gaseous ammonia rich stream and separately therefrom water into a quencher column; and withdrawing a gaseous vent gas stream as a third overhead fraction and the concentrated aqueous ammonia solution containing at least 5% by weight of dissolved ammonia as a third bottom fraction from the quencher column.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
11 - Appareils de contrôle de l'environnement
Produits et services
Treatment of gas flows and particularly fuel gases, namely, gas compression services, gas processing services and gas refining services; fuel treatment services, including removal of sulfur compounds and nitrogen compounds from fuel gases Industrial furnaces, boilers, oil and gas burners and ovens being hot air ovens, microwave ovens for industrial purposes and curing ovens for industrial use; heating apparatus being oil and gas-fired heating installations and heating apparatus for oil, gaseous fuels and liquid fuels; powered heating apparatus being oil and gas-fired heating installations and heating apparatus for oil, gaseous fuels and liquid fuels
38.
PLANT AND EFFICIENT PROCESS FOR PRODUCING LACTIDE FROM LACTIC ACID
A process of producing lactide from lactic acid is provided. The process comprises feeding lactic acid, a hydrocarbon solvent and at least one catalyst into a reactor to form a reaction mixture. The process further comprises reacting the reaction mixture in the reactor so that at least a part of the lactic acid is converted to lactide and water, while distilling at least a part of the reaction mixture to remove an azeotrope of water and the hydrocarbon solvent from the reactor. The process also comprises separating at least a part of the water from the azeotrope, and separating at least a part of the lactide from the reaction mixture. The at least one catalyst comprises a homogeneous catalyst comprising an organometallic compound selected from the group consisting of: tin alkoxides, zinc alkoxides, aluminum alkoxides, titanium alkoxides, tin carboxylates, zinc carboxylates, aluminum carboxylates, titanium carboxylates and mixtures thereof.
The present invention relates to a devolatilization apparatus for devolatilizing a composition comprising a volatile component, such as for devolatilizing a solid or liquid polymer composition comprising unreacted monomer, solvent and/or by product, wherein the devolatilization apparatus comprises an inlet for the composition to be devolatilized and a vessel comprising at least two distributors being spaced apart on top of each other, at least one outlet for devolatilized composition and at least one outlet for gas, wherein each of the at least two distributors comprises at least one static mixer.
The present invention relates to a devolatilization apparatus for devolatilizing a composition comprising a volatile component, such as for devolatilizing a solid or liquid polymer composition comprising unreacted monomer, solvent and/or by-product, wherein the devolatilization apparatus comprises a vessel comprising at least one inlet for the composition to be devolatilized, at least one outlet for devolatilized composition, at least one outlet for gas and at least one tray, wherein the at least one tray comprises a perforated bottom element, comprises at least one baffle being arranged on the perforated bottom element separating the perforated bottom element into at least one inner section comprising one or more openings and at least one outer section comprising one or more openings, and comprises at least one perforated roof element comprising one or more openings and being arranged above at least a part of the inner section of the perforated bottom element, wherein at least one weir is arranged at the outer edges of the perforated bottom element, wherein the inlet is located above the at least one perforated roof element, wherein the area of the projection plane of the at least one perforated roof element is 100 to 150% as the surface area of at least one inner section of the perforated bottom element, and wherein the openings of the at least one outer section of the perforated bottom element have a larger cross-sectional area than the openings of the at least one inner section of the perforated bottom element and than the openings of the at least one perforated roof element.
The present invention relates to a devolatilization apparatus for devolatilizing a composition comprising a volatile component, such as for devolatilizing a solid or liquid polymer composition comprising unreacted monomer, solvent and/or by-product, wherein the devolatilization apparatus comprises an inlet for the composition to be devolatilized and at least two vessels being arranged in series to each other, each of which comprising at least one distributor, an outlet line for devolatilized composition and an outlet for gas, wherein at least one distributor of the first, most upstream of the at least two vessels comprises at its upstream end an inlet and at its downstream end an outlet, wherein at least one static mixer is arranged directly upstream of the inlet or downstream of the inlet but upstream of the outlet of the distributor, wherein the inlet for the composition to be devolatilized is connected with the at least one static mixer, and wherein the outlet line for devolatilized composition of the first, most upstream of the at least two vessels is connected with a recirculation line leading into the at least one static mixer, with which the inlet for the composition to be devolatilized is connected.
Air compressors; gas compressors; compressors for machines; compressors for recovering and recycling refrigerant gases Thermal and heat exchangers, in particular distillation apparatus, distillation systems comprising a distillation column, a vapor compressor and a fluid heater, all for industrial use; distillation columns not for scientific use; fluid heaters, in particular thermal fluid heaters; air heaters
09 - Appareils et instruments scientifiques et électriques
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
Mixing machines, in particular static mixers; static mixers
(machines) for liquefying gases, in particular natural gas,
hydrogen, ammonia and liquefied petroleum gas; static mixers
(machines) for low-viscosity or gaseous fluids; static
mixers (machines) for homogenization, dispersion of fluid
substances; static mixers (machines) for incorporating
gases, gas-liquid mixtures or liquids in a liquid stream;
static mixers (machines) for turbulent flows; static mixers
(machines) for mass transfer; parts, components, accessories
and spare parts for the aforesaid machines, not included in
other classes. Chemistry apparatus and instruments, in particular static
mixers; chemistry apparatus and instruments, in particular
static mixers for liquefying gases, in particular natural
gas, hydrogen, ammonia and liquefied petroleum gas for
laboratory use; chemistry apparatus and instruments, in
particular static mixers for homogenizing temperature for
laboratory use. Shipbuilding; ship converting; ship repair; repair of
liquefied gas tanks; supplying liquefied gas for liquefied
gas tanks, of air, sea or land vehicles; extraction of
liquefied gas from liquefied gas tanks. Transport, storage, distribution and delivery of gas and
liquefied gas, in particular of natural gas, hydrogen,
ammonia, liquefied petroleum gas, liquefied natural gas,
liquid hydrogen and liquid ammonia; transportation of
liquefied gas by ship. Gas liquefaction services, in particular of natural gas,
hydrogen, ammonia and liquefied petroleum gas, in particular
of natural gas, hydrogen, ammonia and liquefied petroleum
gas resulting from liquefied gas refueling of liquefied gas
tanks, of air, sea or land vehicles, transportation of
liquefied gas by ship or liquefied gas extraction from
liquefied gas tanks.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Substance separating columns for laboratory use, parts and
accessories therefor, namely, elements for heat and
substance transfer devices, in particular splitters,
collectors, liquid dispensers, liquid collectors, fittings,
separating trays, in particular bubble cap trays, filling
bodies, structured packaging, random packaging;
distillation, rectification, absorption, desorption and
extraction columns for laboratory use, parts and accessories
therefor, namely, heat and substance transfer devices,
fittings, separating trays, in particular bubble cap trays,
filling bodies, structured packaging, random packaging,
control valves and built-in elements therefor. Distillation, rectification, absorption, desorption and
extraction columns for industrial use, parts and accessories
therefor, namely, heat and substance transfer devices,
fittings, separating trays, in particular bubble cap trays,
filling bodies, structured packaging, random packaging,
control valves and built-in elements therefor; substance
separating columns for industrial use, parts and accessories
therefor, namely, elements for heat and substance transfer
devices, in particular splitters, collectors, liquid
dispensers, liquid collectors, fittings, separating trays,
in particular bubble cap trays, filling bodies, structured
packaging, random packaging.
45.
A PLANT AND METHOD FOR SEPARATING AND PURIFYING STYRENE FROM A CRUDE MIXTURE COMPRISING STYRENE
A plant in particular for separating and purifying styrene from a crude mixture comprising styrene comprises a steam generating unit, a liquid-liquid extraction wash column and a distillation column, wherein the distillation column comprises a top section and a bottom section, wherein at least a part of the bottom section preferably extending at least over 10% of the height of the distillation column has a smaller cross-sectional area than the top section of the distillation column, wherein the distillation column further comprises an inlet line for feed, an inlet line for extractive solvent, an inlet line for steam being connected with the steam generating unit, an overhead outlet line, a bottom outlet line and a side outlet line being arranged below the overhead outlet line and above the bottom outlet line, wherein the overhead outlet line is directly connected with the liquid-liquid extraction wash column or the overhead outlet line is directly or indirectly connected with a liquid-liquid separator comprising a water outlet line and a hydrocarbon outlet line, wherein the water outlet line is connected with the liquid- liquid extraction wash column, and the side outlet line directly connected with the liquid-liquid extraction wash column or the side outlet line is directly or indirectly connected with a liquid- liquid separator comprising a water outlet line and a hydrocarbon outlet line, wherein the hydrocarbon outlet line is connected with the liquid-liquid extraction wash column and wherein the water outlet line of the liquid-liquid separator leads into the steam generating unit.
A plant in particular for separating and purifying styrene from a crude mixture comprising styrene comprises a steam generating unit and a dividing-wall distillation column, wherein the dividing-wall distillation column comprises a dividing wall comprising a first portion extending at least essentially vertically downwards from a point being located below the top of the distillation column to a point being located above the bottom of the dividing-wall distillation column so as to subdivide the dividing-wall distillation column into a top section being located above the dividing- wall, into a bottom section being located below the dividing-wall and into a middle section comprising a first middle subsection being located on one side of the first portion of the dividing wall and a second middle subsection being located on the opposite side of the first portion of the dividing wall, wherein the dividing wall further comprises a second portion being connected with an upper part of the first portion of the dividing wall and extending into the second middle subsection to the inner wall of the dividing-wall distillation column, wherein at least a part of the bottom section extending at least over 10% of the height of the dividing-wall distillation column has a smaller cross-sectional area than the middle section of the dividing-wall distillation column, wherein the dividing-wall distillation column further comprises an inlet line for feed, an inlet line for extractive solvent, an inlet line for steam being connected with the steam generating unit, an overhead outlet line, a bottom outlet line and a side outlet line being connected with the second middle subsection of the dividing-wall distillation column, wherein the plant further comprises a side condenser and a liquid-liquid separator, wherein the side outlet line is connected with the side condenser and downstream thereof with the liquid-liquid separator, wherein the liquid-liquid separator is connected with a water line which leads into the steam generating unit.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
11 - Appareils de contrôle de l'environnement
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemical products for use in industry, science, photography
as well as in agriculture, horticulture and forestry, namely
chemical products for industrial use, chemical preparations
for photographic use, chemical preparations for use in
agriculture, horticulture and forestry with the exception of
fungicides, herbicides, insecticides and parasiticides;
chemical products for industrial use, namely polymers,
biopolymers, polymer additives and biopolymer additives for
use in the manufacture of industrial products, consumer and
household goods, sealing materials and packaging; chemical
and biochemical preparations for use in science and
research, namely polylactic acids; all the aforesaid goods
not in the form of capsules; polymers, namely unprocessed
polymers, unprocessed bioplastics and unprocessed
biopolymers for use in the manufacture of packaging for the
transport of customer goods; bio-sourced polymers composed
of polylactic acids, namely unprocessed polymers and
unprocessed biopolymers for use in the manufacture of
packaging for the transport of customer goods; all the
aforesaid goods not as capsule components. Polymerization installations other than for medical and
dental use, namely refrigerating apparatus, refrigerating
devices for water and air and refrigerating machines in the
form of refrigerating apparatus for water and air,
distillation columns not for scientific use, drying
apparatus for chemical treatment as well as drying devices
containing drying apparatus for chemical treatment,
evaporators for chemical treatment, furnaces, heat
exchangers other than parts of machines, heating apparatus
for water and air, heating devices, regulating accessories
for water supply in the form of metering valves, regulating
and safety accessories for gas apparatus in the form of
metering valves, regulating and safety accessories for gas
pipes in the form of pressure regulators for gas pipes and
gas lines, regulating and safety accessories for water
apparatus in the form of water supply in the form of
metering valves, safety accessories in the form of metering
valves for water and gas apparatus in the form of water and
gas supply and gas pipes, as well as ventilation devices and
apparatus, namely extractor hoods and fans for industrial
use. Preparation of materials and processing of materials, namely
treatment of materials by addition of polymer and biopolymer
additives; manufacturing of polymers to specific customer
orders; manufacturing of bio-sourced polymers to specific
customer orders; manufacture of polylactic acids to specific
customer orders; polymerization services, namely treatment
of materials in the form of chemical products. Engineering services, in particular in the field of chemical
installation planning and construction; planning and design
of chemical plants for polymer manufacture.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
11 - Appareils de contrôle de l'environnement
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemicals for industrial, scientific, photographic,
agricultural, horticultural and forestry use, namely
chemical products used in industry, chemical preparations
for use in photography, chemical products for use in
agriculture, horticulture and forestry, except fungicides,
herbicides, insecticides and parasiticides; polymers, namely
unprocessed polymers, unprocessed bioplastics and
unprocessed biopolymers for use in the manufacture of
packaging for the transport of consumer goods; chemical
products for use in industry, namely polymers, biopolymers,
polymer additives and biopolymer additives for use in the
manufacture of industrial products, consumer goods and
household goods, sealing products and packaging; biological
polymers composed of polylactic acids, unprocessed polymers
and unprocessed biopolymers for use in the manufacture of
packaging for the transport of goods; chemical and
biochemical preparations for scientific use and for
research, namely polylactic acids. Polymerization installations not for medical and dental use,
namely coolers, cooling devices for water and air as well as
cooling machines being coolers for water and air,
distillation columns not for scientific use, drying
apparatus for chemical transformation as well as drying
devices comprising drying apparatus for chemical
transformation, evaporators for chemical transformation,
furnaces, heat exchangers other than parts of machines,
heating apparatus for water and air, heating devices,
regulating accessories for water supply being metering
valves, regulating and safety accessories for gas apparatus
being metering valves, regulating and safety accessories for
gas pipes being pressure controllers for gas pipes and gas
lines, regulating and safety accessories for water apparatus
being water supply being metering valves, regulating
accessories being metering valves for water and gas
apparatus being water and gas supply and gas pipes, as well
as ventilation devices and apparatus, namely ventilation
hoods and fans for industrial use. Treatment of materials and processing of materials, namely
treatment of materials by addition of polymer and biopolymer
additives; customized contract manufacturing of polymers;
customized contract manufacturing of biological polymers;
customized contract manufacturing of polylactic acids;
polymerization services, namely, treatment of materials
being chemical products. Engineering services, in particular in the field of chemical
installation planning and construction; planning and
installation of chemical plants for polymer manufacture.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Treatment and processing of materials, namely, treatment of rubbers, plastics, and synthetic fibers and purification of rubbers, plastics, and synthetic fibers by solvent-based polymer extraction; custom manufacture of polymers according to a customer's specifications; custom manufacture of biological-based polymers according to a customer's specifications; custom manufacture of polylactides, rubbers and polyolefins according to a customer's specifications; custom manufacture of rubbers, plastics, and synthetic fibers for others by means of polymerization; recycling of elements contained in waste and trash, in particular recycling of raw material, chemicals or chemical compositions contained in waste and trash; waste treatment services, namely, treatment of raw materials, chemical products or chemical compositions, in particular raw material, chemical products or chemical compositions, derived from waste and trash Polymerization installations for industrial use; heat exchangers not being parts of machines; evaporators for chemical processing Engineering services, in particular in the field of chemical plant design and construction; design and planning of chemical plants for polymer manufacture.
50.
PROCESS AND PLANT FOR PRODUCING PROPYLENE AND HYDROGEN FROM PROPANE
A process for producing propylene and hydrogen from propane comprises the following steps: a) reacting a mixture comprising propane and bromine so as to produce a first reaction mixture containing bromopropane and hydrogen bromide, b) subjecting the first reaction mixture obtained in step a) to at least one sepa¬ ration step so as to obtain a bromopropane enriched composition and to ob¬ tain a hydrogen bromide enriched composition, c) catalytically reacting the bromopropane enriched composition obtained in step b) so as to produce a second reaction mixture containing propylene and hydrogen bromide, d) subjecting the second reaction mixture obtained in step c) to at least one separation step so as to obtain a hydrogen bromide enriched composition and to obtain propylene and e) subjecting the hydrogen bromide enriched composition obtained in step b) and/or the hydrogen bromide enriched composition obtained in step d) to an electrolysis so as to obtain hydrogen and a bromine containing composition, wherein preferably at least a portion of the bromine containing composition is recycled back into step a).
C07C 1/30 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir de composés organiques ne renfermant que des atomes d'halogènes en tant qu'hétéro-atomes par départ des éléments d'un acide halogéné à partir d'une seule molécule
C07C 17/154 - Préparation d'hydrocarbures halogénés par remplacement par des halogènes avec l'oxygène comme réactif auxiliaire, p. ex. oxychloruration d'hydrocarbures d'hydrocarbures saturés
2-102-102-10-alkenes, wherein the reaction is performed in the presence of a catalyst comprising a support material and thereon at least 200 ppm of at least one metal being selected from the group consisting of transition metals, noble metals and arbitrary combinations of two or more thereof.
C07C 1/30 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir de composés organiques ne renfermant que des atomes d'halogènes en tant qu'hétéro-atomes par départ des éléments d'un acide halogéné à partir d'une seule molécule
B01J 23/89 - Catalyseurs contenant des métaux, oxydes ou hydroxydes métalliques non prévus dans le groupe du cuivre ou des métaux du groupe du fer combinés à des métaux nobles
52.
PROCESS FOR MITIGATING A REACTION OF HYDROGEN BROMIDE AND AN OLEFINICALLY UNSATURATED COMPOUND
The present invention relates to a process for mitigating a reaction of hydrogen bromide and optionally bromine with one or more olefinically unsaturated compounds comprising i) the step of adding hydrogen to a composition containing hydrogen bromide and olefinically unsaturated compound so as to obtain a composition containing hydrogen, hydrogen bromide and olefinically unsaturated compound and/or ii) the step of adding hydrogen to a precursor composition containing one or more brominated hydrocarbons, from which a composition containing hydrogen, hydrogen bromide and olefinically unsaturated compound is formed.
C07C 1/30 - Préparation d'hydrocarbures à partir d'un ou plusieurs composés, aucun d'eux n'étant un hydrocarbure à partir de composés organiques ne renfermant que des atomes d'halogènes en tant qu'hétéro-atomes par départ des éléments d'un acide halogéné à partir d'une seule molécule
C07C 7/04 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par distillation
C07C 7/11 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par absorption, c.-à-d. purification ou séparation d'hydrocarbures gazeux à l'aide de liquides
C07C 7/20 - Emploi d'additifs, p. ex. pour la stabilisation
A lubrication ring for the transport of a lubricant from a lubricant container in a bearing, the lubrication ring to be driven by a rotating shaft, which is borne by the bearing. The lubrication ring includes a running surface configured to interoperate with the shaft, and a transport surface configured to transport lubricant, the transport surface having a plurality of pockets to transport of the lubricant, the plurality of pockets arranged adjacent to each other in a circumferential direction of the lubrication ring.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Hydraulic or pneumatic control apparatus for machines. Electric modules and controllers for the control and
monitoring of pumps, pump equipment and pump stations;
Electric modules and controllers for the control and
monitoring of devices for the transport of fluids, the
control of fluids and the treatment of fluids.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Polymers and polymer foams, namely, unprocessed expanded and
non-expanded polymers, unprocessed bioplastics and
unprocessed biopolymers intended for use in the manufacture,
packaging and transport of customer products; chemicals
intended for use in industry, namely, expanded polymers,
non-expanded polymers, expanded biopolymers, non-expanded
biopolymers, polymeric additives and biopolymer additives
intended for use in the manufacture of industrial products,
consumer goods and household products, expanded and
non-expanded bio-sourced polymers comprised of polylactic
acids, namely, unprocessed polymers and unprocessed
biopolymers and polymer foams and biopolymers foams intended
for use in the manufacture, packaging, and transport of
consumer goods; chemical and biochemical preparations for
scientific and research purposes, namely, expanded and
non-expanded polylactic acids. Treating and processing of materials, namely, treating
materials by adding polymeric and biopolymer additives;
custom manufacture of polymers and polymer foams; custom
manufacture of expanded and non-expanded bio-sourced
polymers; custom manufacture of expanded and non-expanded
polylactic acids; polymerization services. Engineering services, in particular in the field of the
planning and construction of chemical installations;
construction project management [planning, design and
construction drafting] for chemical installations for the
manufacture of polymers and polymer foams.
56.
A DEVOLATILIZATION APPARATUS COMPRISING A HOLLOW DOUBLE-PLATE ASSEMBLY
The present invention relates to a devolatilization apparatus for devolatilizing a composition comprising a volatile component, such as for devolatilizing a solid or liquid polymer composition comprising non-reacted monomer, solvent and/or by-product, wherein the devolatilization apparatus comprises a vessel comprising at least one inlet for the composition to be devolatilized, at least one outlet for devo-latilized composition, at least one outlet for gas, at least one heatable tray and op-tionally at least one heatable distributor, wherein at least a section of at least one heatable tray and/or of at least one heatable distributor comprises a hollow dou-ble-plate assembly comprising an upper plate and a lower plate being arranged on top of each other, but spaced apart so that a void chamber is defined there-between, wherein each of both plates comprises a plurality of openings, wherein each opening of the upper plate is surrounded by a wall extending through the void chamber and surrounding an opening of the lower plate so as to form a plural-ity of channels being fluid-tightly separated from the hollow space being defined in the void chamber between the channels, wherein the hollow space is connected with an inlet for heat medium and with an outlet for heat medium, wherein the up-per plate and the lower plate of the hollow double-plate assembly are connected with each other at their sides through sidewalls, between which the void chamber is defined, wherein the at least one heatable tray and/or at least one heatable dis-tributor extends over 10 to 99% of the cross-sectional area of the vessel and is surrounded by a non-perforated weir.
The present invention relates to a heatable distributor, in particular for a devolati-lization apparatus for devolatilizing a composition comprising a volatile component, such as for devolatilizing a solid or liquid polymer composition comprising non-reacted monomer, solvent and/or by-product, wherein the heatable distributor comprises at least one vessel with an upstream portion and an adjacent down-stream portion, wherein the upstream portion of the vessel comprises a first lateral end comprising an inlet and an opposite second lateral end being connected with the downstream portion, wherein the downstream portion of the vessel comprises a first lateral end and an opposite second lateral end with the first lateral end being connected with the second lateral end of the upstream portion, and wherein the downstream portion of the vessel comprises a hollow double-plate assembly, wherein the hollow double-plate assembly comprises an upper plate and a lower plate being arranged on top of each other, but spaced apart so that a void cham-ber is defined therebetween, wherein each of both plates comprises a plurality of openings, wherein each opening of the upper plate is surrounded by a wall extend-ing through the void chamber and surrounding an opening of the lower plate so as to form a plurality of channels being fluid-tightly separated from the hollow space being defined in the void chamber between the channels, wherein the hollow space is connected with an inlet for heat medium and with an outlet for heat medi-um.
The present invention relates to a cartridge comprising at least one heatable tray and/or at least one heatable distributor, wherein at least a section of at least one heatable tray and/or of at least one heatable distributor being arranged within the cartridge, at least one support element, on which at least one heatable tray and/or at least one heatable distributor is arranged, one central inlet line for heating me-dium and one central outlet line for heating medium, wherein at least a section of the at least one heatable tray and/or of the at least one heatable distributor com-prises a hollow double-plate assembly comprising an upper plate and a lower plate being arranged on top of each other, but spaced apart so that a void chamber is defined therebetween, wherein each of both plates comprises a plurality of open-ings, wherein each opening of the upper plate is surrounded by a wall extending through the void chamber and surrounding an opening of the lower plate so as to form a plurality of channels being fluid-tightly separated from the hollow space be-ing defined in the void chamber between the channels, wherein the hollow space is connected with an inlet for heat medium and with an outlet for heat medium, and wherein the central inlet line for heating medium of the cartridge is connected with the inlet (s) of the at least one heatable tray and/or at least one heatable distributor, and wherein the central outlet line for heating medium is connected with the out-let(s) of the at least one heatable tray and/or at least one heatable distributor.
A process for desulfurizing a crude hydrocarbon composition, such as diesel or kerosine, wherein the process comprises the following steps: a) providing an oxidized crude hydrocarbon composition containing at least one oxidized sulfur containing compound, b) subjecting the oxidized crude hydrocarbon composition provided in step a) to a liquid-liquid extraction with an extracting agent so as to obtain an extract being enriched in the at least one oxidized sulfur containing compound and a raffinate being depleted in the at least one oxidized sulfur containing compound, c) washing the raffinate obtained in step b) with a washing agent so as to remove remaining extracting agent from the raffinate so as to obtain a desulfurized hydrocarbon composition and a mixture of washing agent and extracting agent, d) subjecting the extract obtained in step b) to at least one purification step so as to obtain purified extracting agent and a waste composition, wherein the purified extracting agent is at least partially recycled into step b), and e) subjecting the mixture of washing agent and extracting agent obtained in step c) to a multi-step evaporation for separating the extracting agent from the washing agent so as to obtain purified washing agent, wherein the purified washing agent is at least partially recycled into step c), and wherein the multi-step evaporation comprises at least two subsequent evaporation steps, wherein the first evaporation step is performed at a higher pressure than the at least one subsequent evaporation step.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Chemistry apparatus and instruments, in particular for heat
transfer and chemical substances. Distillation, rectification, absorption, desorption and
extraction columns; devices for heat transfer and chemical
substances if contained in this class; fittings, flooring,
structured fittings, regulating valves and component
elements for heat transfer devices and chemical substances
as well as for the above-mentioned columns if contained in
this class; component parts for heat transfer devices and
chemical substances included in this class, namely,
structured packings, distributors, collectors, liquid
dispensers, liquid collectors and random packings.
The present invention relates to a method for purifying a crude aqueous lactic acid composition comprising the steps of: i) heating and pressurizing the crude aqueous lactic acid composition so as to obtain a liquid, heated and pressurized crude aqueous lactic acid composition, ii) flash evaporating the liquid, heated and pressurized crude aqueous lactic acid composition obtained in step i) so as to obtain crude lactic acid vapor, iii) gradually condensing the crude lactic acid vapor obtained in step ii) by leading it through at least three successive condensers so as to obtain at least three condensed streams, one of which being a purified lactic acid stream.
A coalescer element for an electrostatic coalescer device comprises an electrode, which is enclosed by an electrical insulation, wherein the electrical insulation comprises i) an inner layer of an epoxy material and ii) an outer layer of a hydrophobic material.
An impeller for a pump for conveying wastewater is proposed, includes a shroud to be rotated about an axis of rotation defining an axial direction, and a blade to convey the wastewater. The blade includes a leading edge, a trailing edge, a pressure side, a suction side and an upper rim. The blade extends from the shroud in the axial direction to the upper rim and extends in a circumferential direction from the leading edge to the trailing edge. The suction side is the radially inner surface of the blade and the pressure side is the radially outer surface of the blade. The blade includes a closed passage extending inside the blade. The passage has an inlet at the pressure side and an outlet at the suction side of the blade.
F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
GRANULATING DEVICE FOR PRODUCING PELLETS OF A POLYMER CORE BEING COATED WITH AT LEAST ONE LAYER OF A POLYMERIC AND/OR NON-POLYMERIC MATERIAL, RELATED METHOD AND PELLET
A granulating device for granulating polymer strands to pellets made of a polymer core being coated with at least one layer of a polymeric and/or non-polymeric material, wherein the granulating device comprises at least one melt providing device, a die having an inlet side and an outlet side, with the inlet side being connected with the melt providing device, wherein the die comprises at least one inlet line for the polymer forming the polymer core being connected with a plurality of first-kind die channels, at least one inlet line for the polymeric and/or non-polymeric material being connected with a plurality of second-kind die channels, at least one inlet line and at least one outlet line for heating medium, and at least one granulating blade being arranged on the outlet side of the die allowing to cut the strands exiting the die outlets into pellets.
B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
B29C 48/86 - Traitement thermique de la matière à mouler par extrusion ou des pièces ou des couches préformées, p. ex. par chauffage ou refroidissement dans la zone de la filière
B29C 48/91 - Chauffage, p. ex. pour la réticulation
B33Y 80/00 - Produits obtenus par fabrication additive
B29B 7/38 - MélangeMalaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs
B29C 48/04 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet caractérisées par la forme à l’extrusion de la matière extrudée en forme de particules
B29C 48/05 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet caractérisées par la forme à l’extrusion de la matière extrudée filamentaire, p. ex. fils
B29C 48/34 - Filières d’extrusion annulaires à croisillon, c.-à-d. pour recevoir simultanément la matière à mouler et la préforme à revêtir
65.
ASSEMBLY FOR COMPENSATING AXIAL FORCES IN A ROTATING FLOW MACHINE AND A MULTI-STAGE CENTRIFUGAL PUMP
An assembly includes a housing, a shaft rotatably around the housing, a rotationally symmetrical balancing part arranged coaxially with the shaft, the balancing part having first and second axial ends, a first mechanical slide ring sealing between the balancing part and the housing at the first axial end, a second mechanical slide ring sealing between the balancing part and the housing at the second axial end, the first and the second mechanical slide ring sealings sealing an intermediate space, extending axially between the mechanical slide ring sealings, the intermediate space bordered by the slide ring sealings, the balancing part and the housing, and a first fluid communication port opening into the intermediate space, the first fluid communication port connected to a source of pressurized barrier fluid, and the first and second axial ends having a first and second radii, the first radius being equal to the second radius.
Machines and machine tools; motors and engines (other than
for land vehicles); machine couplings and transmission
components (other than for land vehicles); control devices
for machines or motors/engines (except for land vehicles);
process pumps; pumps (machines); pumps (parts of machines,
electric motors and motors/engines other than for land
vehicles); centrifugal pumps; grinder pumps; pumps for
conveying liquids, gases, solids, granular solids and
mixtures thereof; components, spare parts and accessories
for all the aforesaid goods (included in class 7); all the
aforesaid goods intended for use in the field of the oil and
gas industry, the pulp and paper industry, the energy
production industry, the food industry, the mining industry,
the water industry, the separation, reaction and mixing
technology, in particular for industrial use.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
(1) Colonnes de séparation des substances pour usage en laboratoire, pièces et accessoires pour celles-ci, à savoir éléments pour dispositifs de transfert de chaleur et de substances, en particulier répartiteurs, collecteurs, distributeurs de liquides, collecteurs de liquides, garnitures, plateaux de séparation, en particulier plateaux à calottes, corps de remplissage, emballages structurés, emballages aléatoires; colonnes de distillation, de rectification, d'absorption, de désorption et d'extraction pour usage en laboratoire, pièces et accessoires pour celles-ci, à savoir dispositifs de transfert de chaleur et de substances, garnitures, plateaux de séparation, en particulier plateaux à calottes, corps de remplissage, emballages structurés, emballages aléatoires, soupapes régulatrices et éléments encastrés pour ceux-ci.
(2) Colonnes de distillation, de rectification, d'absorption, de désorption et d'extraction à usage industriel, pièces et accessoires pour celles-ci, à savoir dispositifs de transfert de chaleur et de substances, garnitures, plateaux de séparation, en particulier plateaux à calottes, corps de remplissage, emballages structurés, emballages aléatoires, soupapes régulatrices et éléments encastrés pour ceux-ci; colonnes de séparation de substances à usage industriel, pièces et accessoires pour celles-ci, à savoir éléments pour dispositifs de transfert de chaleur et de substances, en particulier répartiteurs, collecteurs, distributeurs de liquides, collecteurs de liquides, garnitures, plateaux de séparation, en particulier plateaux à calottes, corps de remplissage, emballages structurés, emballages aléatoires.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
Substance separating columns for laboratory use, parts and accessories therefor, namely, elements for heat and substance transfer devices, in particular splitters, collectors, liquid dispensers, liquid collectors, fittings, separating trays in the nature of bubble cap trays, filling bodies, structured packings, random packings; distillation, rectification, absorption, desorption and extraction columns for laboratory use, parts and accessories therefor, namely, heat and substance transfer devices in the nature of mass transfer and separation apparatus being mass transfer columns, fittings for mass transfer and separation apparatus in the nature of mass transfer columns, separating trays in the nature of bubble cap trays, filling bodies, structured packings, random packings, control valves and built-in elements therefor Distillation, rectification, absorption, desorption and extraction columns for industrial use, parts and accessories therefor, namely, heat and substance transfer devices in the nature of mass transfer and separation apparatus being mass transfer columns, fittings for mass transfer and separation apparatus in the nature of mass transfer columns, separating trays in the nature of bubble cap trays, filling bodies, structured packings, random packings, control valves and builtin elements therefor; substance separating columns for industrial use, parts and accessories therefor, namely, elements for heat and substance transfer devices, in particular splitters, collectors, liquid dispensers, liquid collectors, fittings, separating trays in the nature of bubble cap trays, filling bodies, structured packings, random packings.
69.
A METHOD FOR PREPARING A PURIFIED CYCLIC COMPOUND COMPOSITION
A method for preparing a purified cyclic compound composition comprises the steps of: i) providing in a reactor a reaction mixture containing at least one cyclizable linear compound and reacting the at least one cyclizable linear compound in a ring-closing reaction so as to obtain a crude composition containing at least one cyclic compound, ii) feeding at least a portion of the crude composition obtained in step i) to a precipitator, in which the crude composition is cooled to a precipitation tem- perature being below the solubility temperature of at least one of the at least one cyclic compound contained in the crude composition for precipitating at least a portion thereof so as to obtain precipitated solid cyclic compound and unprecipitated liquid, iii) separating at least a portion of the precipitated solid cyclic compound ob- tained in step ii) from the unprecipitated liquid so as to obtain a solid cyclic compound fraction and unprecipitated liquid fraction, and iv) washing the solid cyclic compound fraction obtained in step iii) with a wash- ing solvent having a temperature of above the precipitation temperature used in step ii) so as to obtain a washing solvent fraction and as purified cy- clic compound composition a washed solid cyclic compound fraction and.
A process of continuously manufacturing a poly(hydroxy acid) copolymer is provided. The process comprises copolymerizing at least two different monomers in the presence of a catalyst in a reactor system by ring-opening-polymerization. At least one of the monomers is a cyclic ester of hydroxy acid. A molar ratio of a total amount of the different monomers to a total amount of the at least one catalyst is more than 10,000. The reactor system comprises in series at least two polymerization reactors including a continuous stirred-tank reactor, a loop reactor or a plug flow reactor, one of the reactors comprising at least one of a mixer and a heat transfer element. The reactor system comprises at least two different feeding points through each of which a monomer composition is fed. A first monomer composition fed through one feeding point is different from a second monomer composition fed through another feeding point.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Polymers and polymer foams, namely, unprocessed expanded and non-expanded polymers, unprocessed bioplastics and unprocessed biopolymers intended for use in the manufacture of customer products for packaging and transport; chemicals intended for use in industry, namely, expanded polymers, non-expanded polymers, expanded biopolymers, non-expanded biopolymers, polymeric additives and biopolymer additives intended for use in the manufacture of industrial products, consumer goods and household products; chemicals intended for use in industry, namely, expanded and non-expanded bio-sourced polymers comprised of polylactic acids, namely, unprocessed polymers and unprocessed biopolymers and polymer foams and biopolymers foams intended for use in the manufacture of consumer goods for packaging and transport; chemical and biochemical preparations for scientific and research purposes, namely, expanded and non-expanded polylactic acids. Treating and processing of materials, namely, treating materials by adding polymeric and biopolymer additives; custom manufacture of polymers and polymer foams; custom manufacture of expanded and non-expanded bio-sourced polymers; custom manufacture of expanded and nonexpanded polylactic acids; Manufacturing services for others in the field of polymers and polymer foams. Engineering services, in particular in the field of the planning and construction of chemical installations; planning, design and construction drafting of construction project for chemical installations for the manufacture of polymers and polymer foams.
73.
Process and apparatus for preparing purified styrene composition from styrene containing feedstock
A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.
C07C 5/03 - Préparation d'hydrocarbures à partir d'hydrocarbures contenant le même nombre d'atomes de carbone par hydrogénation de liaisons doubles carbone-carbone non aromatiques
C07C 7/00 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs
C07C 7/08 - Purification, séparation ou stabilisation d'hydrocarburesEmploi d'additifs par distillation à l'aide de composés auxiliaires extractive
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
(1) Polymères et mousses de polymères, à savoir les polymères non transformés expansés et non expansés, les bioplastiques non transformés et les biopolymères non transformés destinés à être utilisés dans la fabrication, l'emballage et le transport des produits des clients; produits chimiques destinés à être utilisés dans l'industrie, à savoir polymères expansés, polymères non expansés, biopolymères expansés, biopolymères non expansés, additifs polymères et additifs biopolymères destinés à être utilisés dans la fabrication de produits industriels, de biens de consommation et de produits ménagers, polymères biosourcés expansés et non expansés composés d'acides polylactiques, à savoir polymères non transformés et mousses de polymères et biopolymères non transformés et mousses de biopolymères destinés à être utilisés dans la fabrication, l'emballage et le transport de biens de consommation; préparations chimiques et biochimiques à des fins scientifiques et de recherche, à savoir acides polylactiques expansés et non expansés. (1) Traitement et transformation des matériaux, à savoir traitement des matériaux par l'ajout d'additifs polymères et biopolymères; fabrication sur commande de polymères et de mousses polymères; fabrication sur commande de polymères biosourcés expansés et non expansés; fabrication sur commande d'acides polylactiques expansés et non expansés; services de polymérisation.
(2) Services d'ingénierie, en particulier dans le domaine de la planification et de la construction d'installations chimiques; gestion de projets de construction [planification, conception et établissement de plans de construction] d'installations chimiques pour la fabrication de polymères et de mousses polymères.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
09 - Appareils et instruments scientifiques et électriques
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
Produits et services
Mixing machines, in particular static mixers; Static mixers being mixing machines for liquefying gases, in particular natural gas, hydrogen, ammonia and liquefied petroleum gas; static mixers being mixing machines for low-viscosity or gaseous fluids; static mixers being mixing machines for homogenization, dispersion of fluid substances; static mixers being mixing machines for incorporating gases, gas-liquid mixtures or liquids in a liquid stream; static mixers being mixing machines for turbulent flows; static mixers being mixing machines for mass transfer; parts, components, accessories and spare parts for the aforesaid machines, namely, machine gears, drives for machines, belts for machines. Gas liquefaction services, in particular of natural gas, hydrogen, ammonia and liquefied petroleum gas, in particular of natural gas, hydrogen, ammonia and liquefied petroleum gas resulting from liquefied gas refueling of liquefied gas tanks, of air, sea or land vehicles, transportation of liquefied gas by ship or liquefied gas extraction from liquefied gas tanks. Chemistry apparatus and instruments, in particular static mixers being distillation apparatus for scientific purposes; chemistry apparatus and instruments, in particular static mixers being distillation apparatus for liquefying gases, in particular natural gas, hydrogen, ammonia and liquefied petroleum gas for laboratory use; chemistry apparatus and instruments, in particular static mixers being distillation apparatus for homogenizing temperature for laboratory use. Shipbuilding; ship converting being shipbuilding; ship repair; repair of liquefied gas tanks; supplying liquefied gas for liquefied gas tanks, of air, sea or land vehicles; extraction of liquefied gas from liquefied gas tanks. Transport, storage, distribution and delivery of gas and liquefied gas, in particular of natural gas, hydrogen, ammonia, liquefied petroleum gas, liquefied natural gas, liquid hydrogen and liquid ammonia; transportation of liquefied gas by ship.
76.
Gas to olefins processes with coproduction of hydrogen
The present disclosure relates in its first aspect to a process of converting a stream comprising methane into chemicals, said process being remarkable in that it comprises the steps of providing a first stream (1, 5, 11) comprising methane, providing a second stream (79) which is a bromine-rich stream, putting into contact said first stream (15) with said second stream (79) to obtain a third stream (21) comprising at least unreacted methane, methyl bromide, dibromomethane, and hydrogen bromide and removing said dibromomethane from said third stream (21), to produce a dibromomethane stream (103) and a fourth stream (27) comprising unreacted methane, methyl bromide and hydrogen bromide; wherein the fourth stream (27) is converted into chemicals. In its second aspect, the present disclosure concerns an installation for carrying out the process of the first aspect.
A structured cross-channel packing element for a column for at least one of mass transfer and heat exchange between a heavy fluid phase and a light fluid phase. The structured cross-channel packing element comprises at least two adjacent layers made of expanded metal sheets each comprising openings that are surrounded and separated from each other by separating elements. At least two of layers are arranged in a longitudinal direction parallel and in touching contact with each other such that an open space extending from one end to an opposite end of the layers is provided between the layers such that at least one of the heavy fluid phase and the light fluid phase may flow therethrough. A ratio between an average width of at least 50% of the separating elements between adjacent ones of the openings and a sheet material thickness is at least 15.
B01J 19/32 - Éléments de remplissage en forme de grille ou d'éléments composés de plusieurs pièces pour constituer une unité ou un module dans l'appareil de transfert de chaleur ou de matière
79.
Structured packing element with reduced material requirement
A structured packing element for a column for at least one of mass transfer and heat exchange between a heavy fluid phase and a light fluid phase. The structured packing element comprises at least two layers of a grid comprising openings that are surrounded and separated from each other by separating elements. At least two of the layers are arranged in a longitudinal direction parallel and in touching contact with each other such that an open space extending from one end to an opposite end of the layers is provided between the layers such that at least one of the heavy fluid phase and the light fluid phase may flow therethrough. An average width of at least 50% of the separating elements between adjacent openings is at least 15 times a layer material thickness and is between 70% and 125% of an average hydraulic diameter of the adjacent openings.
B01J 19/32 - Éléments de remplissage en forme de grille ou d'éléments composés de plusieurs pièces pour constituer une unité ou un module dans l'appareil de transfert de chaleur ou de matière
80.
PLANT AND METHOD FOR SEPARATING LIQUIFIED PETROLEUM GAS FROM FUEL GAS BY CRYOGENIC DISTILLATION
2+2+-hydrocarbons into a methane depleted fraction as product composition and into a methane enriched fraction, in particular for separating liquified petroleum gas from fuel gas, wherein the plant comprises: a) a distillation column comprising an inlet line, an overheads outlet line for the methane enriched fraction and a bottom outlet line for the methane depleted fraction, b) a pre-condenser for condensing a portion of the methane enriched fraction, wherein the pre-condenser is connected with the overheads outlet line of the distillation column, c) a second condenser for condensing a portion of the methane enriched fraction so as to produce a mixed-phase effluent comprising a condensed phase and a vapor phase, wherein the pre-condenser is arranged between the overheads outlet line of the distillation column and the second condenser, wherein the second condenser is directly connected with the pre-condenser, d) a gas-liquid separator for the partially condensed methane enriched fraction being connected with the second condenser, wherein the gas-liquid separator comprises an outlet line for gas and an outlet line for liquid, wherein the outlet line for liquid is connected with the distillation column, and e) a turboexpander being connected with the outlet line for gas of the gas-liquid separator and comprising an outlet line for expanded gas, wherein the outlet line for expanded gas is directly or indirectly connected with the second condenser so as to cool the methane enriched fraction within the second condenser using the expanded gas as cooling agent, wherein the second condenser further comprises an outlet line for withdrawing the expanded gas from the second condenser.
F25J 3/02 - Procédés ou appareils pour séparer les constituants des mélanges gazeux impliquant l'emploi d'une liquéfaction ou d'une solidification par rectification, c.-à-d. par échange continuel de chaleur et de matière entre un courant de vapeur et un courant de liquide
81.
Plant and process for efficiently producing a structured cross-channel packing element
A plant for producing a structured cross-channel packing element. The structured cross-channel packing element comprises at least two adjacent layers made of expanded metal sheets each comprising periodic deformations. The plant comprises a stretching machine configured to cut and stretch a metal sheet to form one of a plurality of first expanded metal sheets, a calibration machine configured to roll the first expanded metal sheets to a desired thickness, a sheet storage unit configured to directly receive each of the first expanded metal sheets rolled in the calibration machine, a forming machine configured to form each of the first expanded metal sheets to form the expanded metal sheets comprising periodic deformations, and a stacking machine configured to stack the expanded metal sheets comprising periodic deformations to form the structured cross-channel packing element. The sheet storage unit is configured to release the first expanded metal sheets directly to the forming machine.
B21D 43/06 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de pièces de liaison mâles ou femelles s'engageant dans des parties correspondantes de la tôle ou de la pièce analogue à travailler, p. ex. au moyen de boulons de support ou de section rainurée dans les supports
B21D 43/08 - Avancement du matériau en fonction du mouvement de la matrice ou de l'outil au moyen d'un élément mécanique coopérant avec le matériau au moyen de rouleaux
B21D 43/28 - Association de dispositifs de coupe avec des dispositifs d'alimentation, d'alignement ou de stockage
B23P 15/26 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'échangeurs de chaleur
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemical products for use in industry, science, photography as well as in agriculture, horticulture and forestry, namely chemical products for industrial use, chemical preparations for photographic use, chemical preparations for use in agriculture, horticulture and forestry with the exception of fungicides, herbicides, insecticides and parasiticides; chemical products for industrial use, namely polymers, biopolymers, polymer additives and biopolymer additives for use in the manufacture of industrial products, consumer and household goods, sealing materials and packaging; chemical and biochemical preparations for use in science and research, namely polylactic acids; all the aforesaid goods not in the form of capsules; polymers, namely unprocessed polymers, unprocessed bioplastics and unprocessed biopolymers for use in the manufacture of packaging for the transport of customer goods; bio-sourced polymers composed of polylactic acids, namely unprocessed polymers and unprocessed biopolymers for use in the manufacture of packaging for the transport of customer goods; all the aforesaid goods not for use as capsule or gas flow regulator components Preparation of materials and processing of materials, namely treatment of materials by addition of polymer and biopolymer additives; custom manufacturing of polymers to specific customer orders; custom manufacturing of bio-sourced polymers to specific customer orders; custom manufacture of polylactic acids to specific customer orders; polymerization services, namely treatment of materials in the form of chemical products Polymerization installations other than for medical and dental use, namely refrigerating apparatus in the nature of laboratory refrigerators and walk-in refrigerators, refrigerating devices for cooling water and air and refrigerating machines in the form of refrigerating apparatus for cooling water and air, distillation columns not for scientific use, drying apparatus for chemical treatment as well as drying devices containing drying apparatus for chemical treatment, evaporators for chemical treatment, furnaces, heat exchangers other than parts of machines, heating apparatus for water and air, heating devices in the nature of boilers, heat pumps, and heat exchangers, regulating accessories for water supply in the form of metering valves, regulating and safety accessories for gas apparatus in the form of metering valves, regulating and safety accessories for gas pipes in the form of pressure regulators for gas pipes and gas lines, regulating and safety accessories for water supply apparatus in the form of water supply in the form of metering valves, safety accessories in the form of metering valves for water and gas apparatus in the form of water and gas supply and gas pipes, as well as ventilation devices and apparatus, namely extractor hoods and fans for industrial use; none of the aforementioned in relation to filters for gas flow regulators Engineering services, in particular in the field of chemical installation planning and construction; planning and design of chemical plants for polymer manufacture.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
11 - Appareils de contrôle de l'environnement
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Chemicals for industrial, scientific, photographic, agricultural, horticultural and forestry use, namely chemical products used in industry, chemical preparations for use in photography, chemical products for use in agriculture, horticulture and forestry, except fungicides, herbicides, insecticides and parasiticides; polymers, namely unprocessed polymers, unprocessed bioplastics and unprocessed biopolymers for use in the manufacture of packaging for the transport of consumer goods; chemical products for use in industry, namely polymers, biopolymers, polymer additives and biopolymer additives for use in the manufacture of industrial products, consumer goods and household goods, sealing products and packaging; biological polymers composed of polylactic acids, unprocessed polymers and unprocessed biopolymers for use in the manufacture of packaging for the transport of goods; chemical and biochemical preparations for scientific use and for research, namely polylactic acids. Treatment of materials and processing of materials, namely treatment of materials by addition of polymer and biopolymer additives; customized contract manufacturing of polymers; customized contract manufacturing of biological polymers; customized contract manufacturing of polylactic acids; polymerization services, namely, treatment of materials being chemical products. Polymerization installations not for medical and dental use, namely water and air coolers, cooling devices for water and air as well as cooling machines being coolers for water and air, distillation columns not for scientific use, drying apparatus for chemical transformation as well as drying devices comprising drying apparatus for chemical transformation, evaporators for chemical transformation, furnaces, heat exchangers other than parts of machines, heating apparatus for water and air, heating devices in the nature of boilers, heat pumps, and heat exchangers, regulating accessories for water supply being metering valves, regulating and safety accessories for gas apparatus being metering valves, regulating and safety accessories for gas pipes being pressure controllers for gas pipes and gas lines, regulating and safety accessories for water supply apparatus being metering valves, regulating accessories being metering valves for water and gas apparatus being water and gas supply and gas pipes, as well as ventilation devices and apparatus, namely ventilation hoods and fans for industrial use. Engineering services, in particular in the field of chemical installation planning and construction; planning of chemical plants for polymer manufacture.
84.
GAS TO HYDROGEN PROCESS WITH CO-PRODUCTION OF CARBON
The disclosure relates in its first aspect to a process of conversion of a gaseous stream comprising methane into hydrogen (51) and carbon (25), the process is remarkable in that it comprises a step (a) of providing a first gaseous stream (3, 7); a step (b) of bromination and synthesis in which the first gaseous stream (3, 7) is put in contact with a second stream (53) comprising bromine resulting in the formation of a third stream (15) comprising methyl bromides and hydrogen bromide, and of a fourth stream (25) comprising carbon including graphite and/or carbon black; a step (c) of separation performed on the third stream (15) to recover a hydrogen bromide-rich stream (41) which is then oxidized in a step (d) to produce a stream (51) comprising hydrogen. The second aspect relates to the installation for performing the process of the first aspect and the third aspect concerns the use of bromine in such process.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
Produits et services
(1) Appareils et instruments de chimie, en particulier pour le transfert de chaleur et de substances chimiques.
(2) Colonnes à distiller, de rectification, d'absorption, de désorption et d'extraction; dispositifs de transfert de chaleur et de substances chimiques si contenus dans cette classe; garnitures, planchers, garnitures structurées, soupapes régulatrices et éléments constitutifs pour dispositifs de transfert de chaleur et de substances chimiques ainsi que pour les colonnes mentionnées ci-dessus si contenus dans cette classe; parties constitutives pour dispositifs de transfert de chaleur et de substances chimiques compris dans cette classe, à savoir emballages structurés, distributeurs, collecteurs, distributeurs de liquides, collecteurs de liquides et emballages aléatoires.
A rotary pressure exchanger includes a housing and a rotor mounted within the housing for rotation about an axis of rotation defining an axial direction. The rotor extends from a first rotor end in the axial direction to a second rotor end, a plurality of channels is inside the rotor for transferring pressure from the first fluid to the second fluid, and each channel extends parallel to the axis of rotation. The plurality of channels includes a set of first channels and a set of second channels, and the rotor includes a divider arranged between the first rotor end and the second rotor end for separating the first channels from the second channels, Each first channel extends from the first rotor end in the axial direction to the divider, and each second channel extends from the second rotor end in the axial direction to the divider.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Hydraulic controls for machines; Pneumatic controls for machines. Electric modules and controllers for the control and monitoring of pumps, pump equipment and pump stations; Electric modules and controllers for the control and monitoring of devices for the transport of fluids, the control of fluids and the treatment of fluids.
88.
METHOD AND PLANT FOR PURIFYING A FATTY ACID ISOPROPYL ESTER AND FOR PRODUCING PURE FATTY ACID ISOPROPYL ESTER
A method for purifying a fatty acid isopropyl ester comprising the following steps: a) providing a crude fatty acid isopropyl ester composition containing a fatty acid isopropyl ester to be purified, at least one fatty acid and optionally at least one fatty acid ester being different from the fatty acid isopropyl ester to be purified, and b) subjecting the crude fatty acid isopropyl ester composition provided in step a) to a distillation in a divided-wall column so as to produce an overhead stream, a bottom stream and a side stream, wherein the side stream is the purified fatty acid isopropyl ester composition.
C07C 67/54 - SéparationPurificationStabilisationEmploi d'additifs par modification de l'état physique, p. ex. par cristallisation par distillation
C07C 67/08 - Préparation d'esters d'acides carboxyliques par réaction d'acides carboxyliques ou d'anhydrides symétriques avec le groupe hydroxyle ou O-métal de composés organiques
C07C 69/24 - Esters d'acides acycliques monocarboxyliques saturés dont le groupe carboxyle est lié à un atome de carbone acyclique ou à l'hydrogène avec au moins trois atomes de carbone dans la partie acide estérifiés par des composés monohydroxylés
A process for producing hydrogen comprises the following steps: a) providing a starting mixture containing bromine, water and a sulfur containing compound, b) reacting the starting mixture provided in step a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in step b) into one or more hydrogen bromide enriched compositions and into one or more sulfuric acid enriched compositions, wherein at least one hydrogen bromide enriched composition contains at most 1,000 ppm of sulfuric acid, wherein step c) comprises at least two distillation steps, d) subjecting at least a portion of the at least one hydrogen bromide enriched composition containing at most 1,000 ppm of sulfuric acid obtained in step c) to an electrolysis so as to obtain hydrogen and a bromine containing composition, wherein the electrolysis cell is operated at an operational temperature of at least 70°C, and e) recycling at least a portion of the bromine containing composition obtained in step d) back to step a).
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 13/08 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux organiques
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytesRégénération des électrolytes
C07C 29/124 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrolyse d'esters d'acides minéraux d'halogénures
The disclosure provides a process for producing methanol and hydrogen from methane. The process of the disclosure comprises the steps of: • a) providing a gaseous feed stream comprising methane; • b) reacting said gaseous feed stream with at least one halogen reactant, under reaction conditions effective to produce an effluent stream comprising methyl halide, hydrogen halide, optionally polyhalogenated alkanes, and optionally unreacted methane; • c) recovering said an effluent stream, • d) reacting the recovered effluent stream with water and at least one organic base under reaction conditions effective to produce an aqueous solution of hydrogen halide, and a methanol stream comprising methanol (MeOH) and dimethyl ether (DME) and/or optionally unreacted methane, and, e) decomposing by means of electrolysis said aqueous solution of hydrogen halide under conditions effective to produce a gaseous hydrogen stream and a stream comprising halogen reactant.
C07C 29/124 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrolyse d'esters d'acides minéraux d'halogénures
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 13/08 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux organiques
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytesRégénération des électrolytes
C07C 17/10 - Préparation d'hydrocarbures halogénés par remplacement par des halogènes d'atomes d'hydrogène
C07C 19/075 - Composés acycliques saturés contenant des atomes d'halogène contenant du brome
A method of electrolysing hydrogen bromide comprising the steps i) brominating a hydrocarbon such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode, wherein the hydrogen bromide fed in step iii) and/or the hydrogen bromide fed in step iv) is hydrogen bromide produced in step i).
C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode
C25B 13/08 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux organiques
C25B 15/08 - Alimentation ou vidange des réactifs ou des électrolytesRégénération des électrolytes
C07C 17/10 - Préparation d'hydrocarbures halogénés par remplacement par des halogènes d'atomes d'hydrogène
C07C 19/075 - Composés acycliques saturés contenant des atomes d'halogène contenant du brome
A process for removing at least a sulfur containing compound from gas containing at least one sulfur containing compound, wherein the process comprises the following steps: a) contacting a gas stream containing at least one sulfur containing compound with a stream containing bromine and water so as to obtain a starting stream, b) reacting the starting stream provided in step a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in step b) into one or more hydrogen bromide enriched compositions and into one or more sulfuric acid enriched compositions, d) subjecting at least a portion of the at least one hydrogen bromide enriched composition obtained in step c) to a treatment, in which at least a portion of the hydrogen bromide enriched composition is converted to bromine, e) recycling at least a portion of the bromine containing composition obtained in step d) back to step a), and f) withdrawing gas, which is depleted in the at least one sulfur containing compound wherein step c) comprises at least one distillation step, wherein, in the case that the reaction mixture is a single-phase liquid composition, either the reaction mixture effluent or a mixture of the reaction mixture effluent and a sulfuric acid enriched composition obtained in step c) is subjected as feed to a first distillation step, or, in the case that the reaction mixture effluent is a two-phase gas-/liquid composition, first the two-phase gas-/liquid composition is separated into a gaseous portion of the reaction mixture effluent and into a liquid portion of the reaction mixture effluent, whereafter the liquid portion of the reaction mixture effluent or a mixture of the liquid portion of the reaction mixture effluent and a sulfuric acid enriched composition obtained in step c) is subjected as feed to a first distillation step, wherein the feed is separated in the first distillation step into a gaseous overhead composition of a hydrogen bromide enriched composition containing at most 1,000 ppm of sulfuric acid and into a liquid bottom composition of a sulfuric acid enriched composition containing more than 30% by weight of sulfuric acid and less than 1,000 ppm of hydrogen bromide, wherein a) at least a portion of the gaseous hydrogen bromide enriched composition obtained in the first distillation step as overhead composition is subjected to a water removal step so as to separate the hydrogen bromide enriched composition into a water enriched composition and into a gaseous hydrogen bromide-rich, water depleted composition comprising 90 to 99% by weight of hydrogen bromide and less than 10% by weight of water, wherein at least a portion of the gaseous hydrogen bromide-rich, water depleted composition is subjected in step d) to an electrolysis or to a thermal oxidation step, and/or P) step c) comprises at least two distillation steps, wherein the sulfuric acid enriched composition obtained as liquid bottom composition of the first distillation step is subjected to a second distillation step so as to produce an overhead composition and a bottom composition containing 60 to 95% by weight of sulfuric acid and 5 to 40% by weight of water based on the total weight of the bottom composition, wherein at least a portion of the bottom composition of the second distillation step is preferably subjected to a third distillation step so as to produce an overhead composition containing at least 99.0% by weight of water and less than 10 ppm of hydrogen bromine and a bottom composition containing at least 90% by weight of sulfuric acid and less than 10% by weight of water based on the total weight of the bottom composition, wherein a portion of the bottom composition obtained in the second distillation step and/or a portion of the bottom composition obtained in the third distillation step is recycled to and mixed as sulfuric acid enriched composition with the reaction mixture effluent or with the liquid portion of the reaction mixture effluent so as to obtain a mixture containing at least 35% by weight of sulfuric acid based on the total weight of the mixture, wherein the mixture is subjected as feed to the first distillation step.
C07C 19/075 - Composés acycliques saturés contenant des atomes d'halogène contenant du brome
C07C 29/124 - Préparation de composés comportant des groupes hydroxyle ou O-métal liés à un atome de carbone ne faisant pas partie d'un cycle aromatique à six chaînons par hydrolyse d'esters d'acides minéraux d'halogénures
A centrifugal pump includes a pump housing having a suspension inlet and a suspension outlet and a flow channel between the inlet and the outlet, a shaft mounted by bearings for rotation about a center axis, an impeller which is rotatable by the shaft, in alignment with the inlet and arranged to be rotated about the axis in the flow channel, and gas collecting openings for gas removal arranged in the flow channel. The inlet end of the flow channel includes a number of static vanes comprising gas collecting openings, the vanes extend radially from an inner wall of the flow channel toward the center of the flow channel and are upstream of the impeller.
Invention relates to pump unit (1) for pumping liquid or suspension, the pump unit (1) comprises a centrifugal pump (2) and an inducer (3) in a proximity upstream of an inlet (210) of the centrifugal pump (2): - the centrifugal pump (2) comprises a pump housing (21) forming a flow channel (20) inside the pump housing (21) and an impeller (22) configured to be rotated in the flow channel (20) around a central axis (200) by a shaft (23), - the inducer (3) comprises an inducer rotor (32) having sleeve-shaped rotor body (321), the inducer rotor (32) is configured to be rotated around the central axis 200 in the flow channel (20), the rotor body (321) is provided with a number of blades (323) extending inwards from the rotor body (321), - the inducer rotor (32) is separate to the impeller (22) and rotation speed of the inducer rotor (32) is independently controllable in relation to the rotation speed of the impeller (22), the inducer (3) comprises an electric motor (35) that is an annular motor that encircles and is connected to the inducer rotor (32). The invention relates also to a method for controlling a pump unit.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 9/00 - AmorçagePrévention du blocage par la vapeur
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
F04D 31/00 - Pompage simultané de liquides et de fluides compressibles
98.
A METHOD FOR CONTROLLING OF A PUMP UNIT AND A PUMP UNIT FOR PUMPING LIQUID OR SUSPENSION
Invention relates to pump unit 1 for pumping liquid or suspension, the pump unit (1) comprises a centrifugal pump (2) and an inducer (3) in a proximity upstream of an inlet (210) of the centrifugal pump (2): - the centrifugal pump (2) comprises a pump housing (21) forming a flow channel (20) inside the pump housing (21) and an impeller (22) configured to be rotated in the flow channel (20) around a central axis (200) by a shaft (23), - the inducer (3) comprises an inducer rotor (32) having sleeve-shaped rotor body (321), the inducer rotor (32) is configured to be rotated around the central axis (200) in the flow channel (20), the rotor body (321) is provided with a number of blades (323) extending inwards from the rotor body (321), - the inducer rotor (32) is separate to the impeller (22) and rotation speed of the inducer rotor (32) is independently controllable in relation to the rotation speed of the impeller (22), the inducer (3) comprises an electric motor (35) that is an annular motor that encircles and is connected to the inducer rotor (32). The invention relates also to a method for controlling a pump unit.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 9/00 - AmorçagePrévention du blocage par la vapeur
F04D 13/06 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
F04D 31/00 - Pompage simultané de liquides et de fluides compressibles
99.
Multistage liquid distributor for a separation device comprising a dual-trough pre-distributor
A liquid distributor for a separation device is provided. The liquid distributor comprises at least one pre-distributor member positioned above a plurality of distributor members. The at least one pre-distributor member comprises at least two troughs each comprising a plurality of discharge openings. Each two of the at least two troughs are connected with each other, and a first trough has an overflow portion and at least one deflector attached to the overflow portion or a side wall of the first trough. A second trough has an upper edge. If a liquid level in the first trough reaches the overflow portion, the at least one deflector extends from above the upper edge of the second trough to the second trough so that liquid flows into the second trough from the first trough over the overflow portion or the side wall and the at least one deflector.
An energy storage system includes a vessel, an energy conversion device, and a connection line connecting the vessel with the energy conversion device. The energy conversion device includes a housing, a pump turbine, and a motor generator. The pump turbine includes a first shaft, and an impeller. The motor generator includes a second shaft, and a rotor. The second shaft is coupled to the first shaft to transmit torque between the first shaft and the second shaft. The connection line connects a low pressure opening with an opening disposed at the vessel to receive water from the vessel or discharge water into the vessel. The connection line includes a switching unit with a shut-off device and a non-return device connected in parallel, the non-return device enabling flow of the water only in a first direction from the vessel to the low pressure opening.
