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.
B01D 11/04 - Solvent extraction of solutions which are liquid
C07C 7/10 - Purification, separation or stabilisation of hydrocarbonsUse of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
C10G 21/22 - Compounds containing sulfur, selenium, or tellurium
C10G 21/27 - Organic compounds not provided for in a single one of groups
4.
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.
C08G 63/06 - Polyesters derived from hydroxy carboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxy carboxylic acids
5.
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.
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 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
C07C 67/52 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation
C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
8.
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 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
B29C 44/34 - Component parts, details or accessoriesAuxiliary operations
B29C 44/50 - Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
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.
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 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
B01D 33/46 - Regenerating the filter material in the filter by scrapers, brushes or the like acting on the cake-side of the filtering element
40 - Treatment of materials; recycling, air and water treatment,
Goods & 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 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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.
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 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
C08J 11/02 - Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
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 - MountingAssemblingDisassembling of radial or helico-centrifugal pumps
22.
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 - Treatment of materials; recycling, air and water treatment,
11 - Environmental control apparatus
Goods & Services
Treatment of gas flows and particularly fuel gases; fuel treatment services, including removal of sulfur compounds and nitrogen compounds from fuel gases. Industrial furnaces, boilers, burners and ovens; heating apparatus, powered heating apparatus.
24.
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.
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.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
40 - Treatment of materials; recycling, air and water treatment,
Goods & 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 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & 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.
31.
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 - Chemical and biological materials for industrial, scientific and agricultural use
11 - Environmental control apparatus
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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 - Chemical and biological materials for industrial, scientific and agricultural use
11 - Environmental control apparatus
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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 - Treatment of materials; recycling, air and water treatment,
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
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. Polymerization installations; heat exchangers; evaporators. Engineering services, in particular in the field of chemical plant design and construction; design and planning of chemical plants for polymer manufacture.
36.
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 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero atoms by splitting-off the elements of hydrogen halide from a single molecule
C07C 17/154 - Preparation of halogenated hydrocarbons by replacement by halogens with oxygen as auxiliary reagent, e.g. oxychlorination of hydrocarbons of saturated hydrocarbons
C07C 17/38 - SeparationPurificationStabilisationUse of additives
C07C 17/383 - SeparationPurificationStabilisationUse of additives by distillation
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 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero atoms by splitting-off the elements of hydrogen halide from a single molecule
B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
38.
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 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero atoms by splitting-off the elements of hydrogen halide from a single molecule
C07C 7/04 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation
C07C 7/11 - Purification, separation or stabilisation of hydrocarbonsUse of additives by absorption, i.e. purification or separation of gaseous hydrocarbons with the aid of liquids
C07C 7/20 - Use of additives, e.g. for 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 - Scientific and electric apparatus and instruments
Goods & 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 - Chemical and biological materials for industrial, scientific and agricultural use
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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.
42.
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 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & 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.
C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
C07C 51/47 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
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 - CasingsConnections for working fluid for radial or helico-centrifugal pumps
F04D 7/04 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
50.
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.
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 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & 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 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & 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.
55.
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 - Chemical and biological materials for industrial, scientific and agricultural use
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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.
59.
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 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of non-aromatic carbon-to-carbon double bonds
C07C 7/00 - Purification, separation or stabilisation of hydrocarbonsUse of additives
C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
01 - Chemical and biological materials for industrial, scientific and agricultural use
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & 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 - Treatment of materials; recycling, air and water treatment,
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
39 - Transport, packaging, storage and travel services
Goods & 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.
62.
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 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.
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 - Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
66.
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 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by positive or negative engaging parts co-operating with corresponding parts of the sheet or the like to be processed, e.g. carrier bolts or grooved section in the carriers
B21D 43/08 - Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
B21D 43/28 - Associations of cutting devices therewith
B23P 15/26 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers
01 - Chemical and biological materials for industrial, scientific and agricultural use
40 - Treatment of materials; recycling, air and water treatment,
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & 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 - Chemical and biological materials for industrial, scientific and agricultural use
40 - Treatment of materials; recycling, air and water treatment,
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & 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.
69.
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 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & 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 - Scientific and electric apparatus and instruments
Goods & 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.
73.
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 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/24 - Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with monohydroxylic compounds
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 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
C07C 29/124 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of mineral acids of halides
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 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of mineral acids of halides
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
C07C 17/10 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
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 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
C07C 17/10 - Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
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 29/124 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of mineral acids of halides
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 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
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 - Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogeneous
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.
A rotary pressure exchanger includes a housing and a rotor. Channels are inside the rotor to transfer pressure from a first fluid to a second fluid. Each channel extends parallel to the axis of rotation, and the housing includes a first inlet port for supplying the first fluid to the channels, a first outlet port for discharging the first fluid from the channels, a second inlet port for suppling the second fluid to the channels, and a second outlet port for discharging the second fluid from the channels. The first and second inlet ports are radial inlet ports, such that the first fluid and the second fluid enter the rotor in a radial direction perpendicular to the axial direction, and the first outlet port and the second outlet port are radial outlet ports, such that the first fluid and the second fluid leave the rotor in the radial direction.
A method for preparing a purified styrene composition includes providing a crude hydrocarbon composition containing styrene, subjecting the crude hydrocarbon composition to a distillation in a divided-wall column to produce an overhead hydrocarbon stream, a bottom hydrocarbon stream and a side hydrocarbon stream and subjecting the side hydrocarbon stream to at least one crystallization step to obtain a purified styrene composition.
A structured packing bed for a column is provided. The structured packing bed comprises at least two layers stacked vertically above each other, and at least two of the layers each comprise at least one structured cross-channel packing element having a specific surface area of 60 to 500 m2/m3 and a height of 50 to less than 150 mm. At least 50% of the structured cross-channel packing elements are a block comprising a plurality of sheets with periodic deformations. The sheets are arranged in a longitudinal direction parallel and in touching contact with each other such that an open space is provided between them. Adjacent sheets are oriented such that their deformations intersect in crisscross fashion with each other, and a structured cross-channel packing element of a layer is rotated with regard to a structured cross-channel packing element of an adjacent layer by 70 to 110°.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
Wastewater treatment apparatus, namely, clarification,
filtration, separation and thickening machines used for
treatment of liquids in the form of wastewater and
industrial water; installation of wastewater treatment for
aeration and circulation of waste water; membrane
bioreactors for wastewater treatment; wastewater filtering
apparatus; sludge dewatering apparatus; belt filter presses
for wastewater treatment; flocculator for wastewater
treatment; pressure-relief flotation units for wastewater
treatment.
90.
A PLANT AND AN EFFICIENT PROCESS FOR PRODUCING POLYLACTIC ACID
A process of producing polylactic acid comprising the steps of: a) providing a crude lactide composition comprising meso-lactide and at least one of L-lactide and D-lactide, b) separating from the crude lactide composition a meso-lactide enriched composition and a meso-lactide depleted composition, wherein the meso-lactide enriched composition contains less than 80 mol-% of meso-lactide based on the total content of lactide, c) polymerizing a polymerization composition comprising meso-lactide and at least one of L-lactide and D-lactide to a crude polylactic acid composition and optionally devolatilizing the crude polylactic acid composition so as to produce a purified polylactic acid composition and a composition containing unreacted lactide, d) subjecting the meso-lactide enriched composition or a mixture of the meso-lactide enriched composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide enriched composition, e) subjecting the meso-lactide depleted composition or a mixture of the meso-lactide depleted composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide depleted composition, wherein the polymerization composition contains at least a portion of the purified meso-lactide enriched composition produced in step d) and/or at least a portion of the purified meso-lactide depleted composition produced in step e).
A process of producing polylactic acid comprising the steps of: a) providing a crude lactide composition comprising meso-lactide and at least one of L-lactide and D-lactide, b) separating from the crude lactide composition a meso-lactide enriched composition and a meso-lactide depleted composition, wherein the meso-lactide enriched composition contains at least 80 mol-% of meso-lactide based on the total content of lactide, c) polymerizing a polymerization composition comprising meso-lactide and at least one of L-lactide and D-lactide to a crude polylactic acid composition and devolatilizing the crude polylactic acid composition so as to produce a purified polylactic acid composition and a composition containing unreacted lactide, d) subjecting the meso-lactide enriched composition and at least a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide enriched composition, e) subjecting the meso-lactide depleted composition or a mixture of the meso-lactide depleted composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide depleted composition, wherein the polymerization composition contains at least a portion of the purified meso-lactide enriched composition produced in step d).
A process of producing polylactic acid comprising the steps of: a) providing a crude lactide composition comprising meso-lactide and at least one of L-lactide and D-lactide, b) separating from the crude lactide composition a meso-lactide enriched composition and a meso-lactide depleted composition, wherein the meso-lactide enriched composition contains at least 80 mol-% of meso-lactide based on the total content of lactide, c) polymerizing a polymerization composition comprising meso-lactide and at least one of L-lactide and D-lactide to a crude polylactic acid composition and devolatilizing the crude polylactic acid composition so as to produce a purified polylactic acid composition and a composition containing unreacted lactide, d) subjecting the meso-lactide enriched composition and at least a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide enriched composition, e) subjecting the meso-lactide depleted composition or a mixture of the meso-lactide depleted composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide depleted composition, wherein the polymerization composition contains at least a portion of the purified meso-lactide enriched composition produced in step d).
A process of producing polylactic acid comprising the steps of: a) providing a crude lactide composition comprising meso-lactide and at least one of L-lactide and D-lactide, b) separating from the crude lactide composition a meso-lactide enriched composition and a meso-lactide depleted composition, wherein the meso-lactide enriched composition contains less than 80 mol-% of meso-lactide based on the total content of lactide, c) polymerizing a polymerization composition comprising meso-lactide and at least one of L-lactide and D-lactide to a crude polylactic acid composition and optionally devolatilizing the crude polylactic acid composition so as to produce a purified polylactic acid composition and a composition containing unreacted lactide, d) subjecting the meso-lactide enriched composition or a mixture of the meso-lactide enriched composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide enriched composition, e) subjecting the meso-lactide depleted composition or a mixture of the meso-lactide depleted composition and a portion of the composition containing unreacted lactide to a purification comprising at least one crystallization step so as to produce a purified meso-lactide depleted composition, wherein the polymerization composition contains at least a portion of the purified meso-lactide enriched composition produced in step d) and/or at least a portion of the purified meso-lactide depleted composition produced in step e).
A pumping arrangement includes first and second multistage pumps. Each pump includes a housing with a pump unit, the housing includes a pump inlet and a pump outlet, the pump unit includes a plurality of impellers to convey fluid from the pump inlet to the pump outlet, and a pump shaft extending from a drive end to a non-drive end, each impeller mounted to the pump shaft. The second multistage pump includes a first mechanical seal having a process side facing the pump unit. The pump outlet of the first multistage pump connected to the pump inlet of the second multistage pump, so that the first multistage pump and the second multistage pump are arranged in series. The process side of the first mechanical seal of the second multiphase pump is in fluid communication with the pump inlet of the first multistage pump.
A process for preparing a purified benzene composition from a crude hydrocarbon stream containing at least 10% by volume of benzene is provided. The process comprises subjecting the crude hydrocarbon stream and a further recycled benzene containing stream to a solvent-based extraction so as to produce a benzene enriched aromatic stream and a benzene depleted non-aromatic stream, subjecting the benzene enriched aromatic stream to a hydrodesulfurization so as to obtain a desulfurized aromatic stream, subjecting the desulfurized aromatic stream to a distillation producing a purified benzene stream and a further benzene containing stream having a benzene concentration of between less than 100% by weight and the azeotropic benzene concentration, and at least partially recycling the further benzene containing stream.
C07C 7/00 - Purification, separation or stabilisation of hydrocarbonsUse of additives
C07C 7/10 - Purification, separation or stabilisation of hydrocarbonsUse of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
C07C 7/17 - Purification, separation or stabilisation of hydrocarbonsUse of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
C07C 7/08 - Purification, separation or stabilisation of hydrocarbonsUse of additives by distillation with the aid of auxiliary compounds by extractive distillation
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
Goods & Services
Scientific apparatus and instruments in the nature of material exchange and heat exchange apparatuses and instruments, namely, distillation, rectification, absorption, desorption and extraction columns for laboratory use Apparatus for chemical processing, namely, distillation, rectification, absorption, desorption and extraction columns for industrial use and parts thereof, namely, filler bodies, bases, structured linings, and distributors; heat and material exchange devices, namely, heat exchangers and material exchangers in the nature of distillation, rectification, absorption, desorption and extraction columns for chemical processing
97.
A METHOD AND PLANT FOR ENERGY EFFICIENTLY PRODUCING N-HEXANE AND ISOMERATE HAVING A HIGH OCTANE NUMBER
A method for producing n-hexane, which comprises the following steps: a) producing an isomerate stream and preferably a stable isomerate stream in an isomerization unit comprising at least one isomerization reactor, b) feeding the isomerate stream produced in step a) into a dividing-wall distillation column and distilling it, c) removing from the dividing-wall distillation column four separate streams, namely a light isomerate stream, a heavy isomerate stream, a purified n-hexane stream and an isomerate process recycle stream and d) recycling the isomerate process recycle stream to at least one of the at least one isomerization reactor of the isomerization unit.
C10G 45/58 - Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour pointSelective hydrocracking of normal paraffins
Invention relates to a multi-stage centrifugal pump comprising an assembly (10) for compensating axial forces in a multi-stage centrifugal liquid pump (100) having an inlet (102) and an outlet (104), comprising a balancing drum (16) arranged to the shaft (14) inside the housing (12), which the balancing drum (16) is a multistage balancing drum, which comprises at least two drum sections (16', 16''), a first pressure chamber (22) between a first side wall of the circumferential axial space (16.3) and a first side wall of the ring element, a second pressure chamber (24) between a second side wall of the circumferential axial space (16.3) and a second side wall of the ring element, a first flow communication path extending from outlet (104) of the pump (100) to the second pressure chamber (24), a second liquid communication path extending from inlet (102) of the pump (100) to the first pressure chamber (22), first annular flow path between the first pressure chamber (22) and the second pressure chamber (24) via the bottom of the circumferential axial space (16.3) and inner surface of the ring element (20), and second annular flow path between the first pressure chamber (22) and the second pressure chamber (24) via the outer surface of the drum section (16',16'',16''') and the inner surface of the housing (12).
A rotary pump for conveying a fluid, includes a pump housing, a pump shaft, a hydraulic unit, a mechanical seal, and a stator. The hydraulic unit conveys and pressurizes the fluid, includes an impeller fixedly mounted on the pump shaft, and during operation generates an axial thrust to act on the pump shaft. The mechanical seal seals the pump shaft and includes a rotor connected to the pump shaft in a torque proof manner. The stator is stationary with respect to the pump housing. The mechanical seal is arranged between the hydraulic unit and an end of the pump shaft, and is a balancing device configured to generate an axial force on the pump shaft during operation, with the axial force configured to counteract the axial thrust.
09 - Scientific and electric apparatus and instruments
Goods & Services
Mixing devices (machines), in particular static mixers;
static mixers for low-viscosity or gaseous fluids; static
mixers for homogenising, dispersing, emulsifying and
suspending fluid substances; static mixers for incorporating
gases, gas-liquid mixtures or liquids in a gaseous stream;
static mixers for turbulent streams; static mixers for flue
gas purification and for flue gas purification
installations; static mixers for mass transfer; mixing
elements, components, accessories and spare parts for the
aforesaid devices, not included in other classes. Chemistry apparatus and instruments, in particular static
mixers; chemistry apparatus and instruments, in particular
static mixers for the addition of additives, dilution of
concentrations, pH-adjustment, flocculation, neutralization
of substances in fluids for temperture homogenisation.
