Process for the production legume meal having a moisture content between 2% and 15%. The process includes feeding a continuous flow of legume meal into a wet heat treatment reactor together with a continuous flow of water or aqueous solution, which is dispersed into minute droplets; discharge the wet legume meal and feeding it into a thermal dehydration and treatment reactor.
A product in powder form having a dry matter content of at least 90% by weight on its total weight and containing lactose in a quantity of at least 85% by weight on its total weight, as well as having a high bulk density; moreover a process for the production of this product in powder form is disclosed, comprising the steps of vacuum-concentrating a lactose-containing liquid, mixing the so-concentrated liquid with a lactose-containing powder and with a high dry matter content and, finally, drying the so-obtained powdered mixture.
Process for treating sludges containing polluting chemical substances, for example perfluoroalkyl substances (PFASs), through recovery and thermal destruction thereof; plant suitable for performing such process.
Process for recovering phosphorus from ashes coming from combustion plants that are fed with renewables and/or waste materials as solid fuel, comprising a phase of mixing said ashes coming from combustion plants that are fed with renewables and/or waste materials as solid fuel with a sulfuric acid solution, in order to extract the phosphorus therein contained; a system for carrying out said process is also described.
C01B 25/222 - Preparation by reacting phosphate containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
5.
PROCESS FOR TREATING RICE HUSK AND MODIFIED RICE HUSK
222, obtaining a mixture comprising rice husks, recovering a solid fraction of said mixture, and drying the solid fraction, thereby obtaining modified and dried rice husk; the rice husk so modified and the specific uses thereof, in particular in the field of production of compostable plastics are also disclosed.
A process for the reduction of the concentration of perfluoroalkyl substances (PFAS) in water containing them, comprising a step of percolating water through a layer (2) of a polymeric material in subdivided form containing electropositive functional groups; the polymeric material in subdivided form consists of, for example, a melamine resin or a polyurethane resin.
A product in powder form having a dry matter content of at least 90% by weight on its total weight and containing lactose in a quantity of at least 85% by weight on its total weight, as well as having a high bulk density; moreover a process for the production of this product in powder form is disclosed, comprising the steps of vacuum-concentrating a lactose-containing liquid, mixing the so-concentrated liquid with a lactose-containing powder and with a high dry matter content and, finally, drying the so-obtained powdered mixture.
A product in powder form having a dry matter content of at least 90% by weight on its total weight and containing lactose in a quantity of at least 85% by weight on its total weight, as well as having a high bulk density; moreover a process for the production of this product in powder form is disclosed, comprising the steps of vacuum-concentrating a lactose-containing liquid, mixing the so-concentrated liquid with a lactose-containing powder and with a high dry matter content and, finally, drying the so-obtained powdered mixture.
A process and a plant for the thermal abatement of foul air containing malodorous substances. A flow of foul air containing malodorous substances as combustive air is fed into the combustion chamber of a unit for production and recovery of energy, and a flow of exhaust gas is obtained. The flow of exhaust gas is fed into a scrubber for the abatement of polluting substances, whereby the scrubber uses water for the washing of the flow of exhaust gas, producing a flow of low-temperature purified gas and a heated washing liquid. The heated washing liquid is conveyed to at least one heating jacket of a storage tank for the biological treatment of sewage of the aforementioned purification plant.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
An optimized process and system for the production of a heat exchange fluid heated by means of combustion of a fuel are described, said process comprising the steps of: - burning a fuel in a combustion chamber, thus generating a flow of exhaust gas, said flow comprising solid particulate matter and/or combusted or uncombusted particles; - introducing said flow of exhaust gas into a unit suitable for the forced abatement of the solid particulate matter and/or combusted and uncombusted particles, thus obtaining a purified exhaust gas flow and a solid precipitate which comprises solid particulate matter; - transferring the flow of purified gas to a generator of a heated heat exchange fluid, inside which a heat exchange fluid flows; - carrying out an indirect heat exchange, thus obtaining a flow of cooled purified exhaust gas and a heated heat exchange fluid.
F23G 5/027 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels including pretreatment pyrolising or gasifying
F23G 5/44 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels DetailsAccessories
F23J 15/02 - Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
11.
Process for the production of thermally modified starch
Process for the production of thermally modified starch comprising the steps of mixing starch in powder form having a specific moisture content with an alkaline water solution to obtain a wet powder; feeding a continuous flow of said wet powder into a continuous dryer together with a continuous flow of hot air; discharging a continuous flow of dried powder from said continuous drier; supplying said continuous flow of said dried powder into a turbo-reactor, in which the inner wall of said turbo-reactor is maintained at a specific temperature; converting said dried powder into a thermally inhibited starch; and discharging said thermally inhibited starch from said turbo-reactor; it is also disclosed a thermally inhibited starch obtained from the aforementioned process with enhanced physical chemical properties.
2), adding to the mixture thus obtained an aqueous solution of ammonia which reacts with said mixture and drying the mixture to obtain a powder material containing oxidized starch.
Process for the production legume meal having a moisture content between 2% and 15%. The process includes feeding a continuous flow of legume meal into a wet heat treatment reactor together with a continuous flow of water or aqueous solution, which is dispersed into minute droplets; discharge the wet legume meal and feeding it into a thermal dehydration and treatment reactor.
A process for upgrading waste powders of the mining industry containing iron oxides is described, which includes preparing a mixture containing powder based on iron oxides, an aqueous dispersion of a thermosetting resin and optionally carbon powder, and a catalyst of acidic nature; kneading the mixture at a temperature between 5 and 100° C. to form a homogeneous paste, and granulating such homogeneous paste at a temperature between 100 and 300° C., thus obtaining granules of powder based on iron oxides and optionally carbon powder bound by the resin that has been polymerized.
A method is described for quenching coke coming from the distillation of coal and having a temperature higher than or equal to 900° C., comprising the steps of a) lowering the temperature of said coke to about 700-300° C. by heat exchange with a fluid through walls of a thermally conductive material interposed between coke and fluid, b) feeding a continuous flow of said coke at about 700-300° C. into a turbo-cooler (T), comprising a cylindrical tubular body (18), closed at opposite ends by respective end plates (19,20), provided with an optional cooling jacket (21) for the inner wall thereof, at least one inlet opening (9) for the coke, at least one inlet opening (10, 15, 16) for water, at least one discharge opening (11, 12) and a rotor, rotatably supported in the cylindrical tubular body (5) and comprising a shaft (13) provided with elements (14) projecting radially from said shaft, adapted for the handling and advancement of the coke; c) feeding a continuous flow of water at a temperature less than or equal to 100° C. into the turbo-cooler (T), through said at least one inlet opening (10, 15, 16) and subjecting said flow of coke and water to the action of the rotor, which advances the coke towards said at least one discharge opening (11); d) continuously discharging from said at least one discharge opening (11, 12) a flow of coke at a temperature lower than or equal to 200° C., and a flow of water vapor.
F28C 3/12 - Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
F28D 7/00 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
C10B 39/10 - Cooling or quenching coke combined with agitating means, e.g. rotating tables or drums
C10L 9/08 - Treating solid fuels to improve their combustion by heat treatment, e.g. calcining
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
16.
Process for modifying the structure of an organic sludge
The present invention relates to a process, and respective operating apparatus, for modifying the structure of a sludge, in particular an organic sludge originating from a purification treatment of waste water, of the civil and industrial type, to be subjected to dehydration and/or drying, wherein the sludge is exposed to the action of an electric field generated by direct current.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture and treatment of foodstuffs,
pharmaceuticals, chemical, detergents, agroindustrial and
ceramic products, feedstuff, and basic ingredients for
producing feedstuff; energy generators; power generating
apparatus utilizing biomass. Machines for the treatment of polluting products, namely,
waste, by-products, slurries, effluents, and waters; dryers
and refrigerators for industrial and agricultural processes;
boilers, incinerators. Design and development of computer hardware and software
intended for industrial automation of factories and plants.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture and treatment of foodstuffs,
pharmaceuticals, chemical, detergents, agroindustrial and
ceramic products, feedstuff, and basic ingredients for
producing feedstuff; energy generators; power generating
apparatus utilizing biomass. Machines for the treatment of polluting products, namely,
waste, by-products, slurries, effluents, and waters; dryers
and refrigerators for industrial and agricultural processes;
boilers, incinerators. Design and development of computer hardware and software
intended for industrial automation of factories and plants.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines for the manufacture and treatment of foodstuffs, pharmaceuticals, chemical, detergents, agroindustrial [ and ceramic products, ] [ * ; * ] feedstuff, and basic ingredients for producing feedstuff [ ; thermal and electric energy generators; thermal and electric power generating apparatus utilizing biomass ] Machines for the treatment of polluting products, namely, waste, by-products, slurries, effluents, and waters; industrial dryers for heating, drying and dehydrating [ and refrigerators for industrial and agricultural processes; boilers, incinerators ] Design and development of computer hardware and software intended for industrial automation of factories and plants
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Machines and machine tools; Motors and engines (except for land vehicles); Machine coupling and transmission components (except for land vehicles); Agricultural implements other than hand-operated; Incubators for eggs. Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes. Building construction; Repair; Repair. Treatment of materials.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines and machine tools; motors and engines (except for
land vehicles); machine coupling and transmission components
(except for land vehicles); agricultural implements other
than hand-operated; incubators for eggs. Apparatus for lighting, heating, steam generating, cooking,
refrigerating, drying, ventilating, water supply and
sanitary purposes. Scientific and technological services and research and
design relating thereto; industrial analysis and research
services; computer hardware and software design and
development services.
22.
Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates
The present invention describes a process for treating phosphogypsum and in particular the related leachate that comprises the steps of feeding a continuous leachate flow with a dry content of below 5% by weight into a concentration unit heated to a predetermined temperature and equipped with dedicated mixing means, and continuously discharging a concentrated leachate flow having a dry content comprised between 20% and 95% by weight from the concentration unit.
A process is described for drying melamine wet cakes, comprising the steps of: a) providing a turbo-dryer (T) comprising a cylindrical tubular body (1) having a heating jacket (4), inlets and outlets (5, 6) and a bladed rotor (7) rotatably supported therein; b) feeding a continuous flow of a melamine wet cake into the turbo-dryer (T), the internal wall (9) of which is maintained at a temperature of at least 220° C.; c) feeding a continuous flow of a gas selected from air or nitrogen into the turbo-dryer (T); d) subjecting the flow of melamine wet cake to the mechanical action of the bladed rotor (7) rotating at a speed of at least 200 rpm, with consequent centrifugation of the wet cake against the heated wall (9), thus causing the instantaneous evaporation of the water contained into the cake, and transport of the latter towards the outlet (6); e) continuously discharging, after an average residence time of less than 1 minute, a flow of melamine crystals having a humidity content of less than 0.1%.
Method of remediating a soil contaminated by polyhalogenated hydrocarbons, in particular PCBs, PCDDs and PCDFs, comprising the steps of removing and sieving the soil to free it of stones and gravel; possibly regulating the moisture content of the sieved soil to a value of 10-30%; subjecting the sieved soil to thermal treatment while it flows in the form of a thin, turbulent, dynamic layer in contact with a wall heated to at least 250° C.; separating the thermally treated soil from the steam generated following such treatment, the soil being substantially free of the aforementioned polyhalogenated hydrocarbons.
A process is described for drying melamine wet cakes, comprising the steps of: a) providing a turbo-dryer (T) comprising a cylindrical tubular body (1) having a heating jacket (4), inlets and outlets (5, 6) and a bladed rotor (7) rotatably supported therein; b) feeding a continuous flow of a melamine wet cake into the turbo-dryer (T), the internal wall (9) of which is maintained at a temperature of at least 220°C; c) feeding a continuous flow of a gas selected from air or nitrogen into the turbo- dryer (T); d) subjecting the flow of melamine wet cake to the mechanical action of the bladed rotor (7) rotating at a speed of at least 200 rpm, with consequent centrifugation of the wet cake against the heated wall (9), thus causing the instantaneous evaporation of the water contained into the cake, and transport of the latter towards the outlet (6); e) continuously discharging, after an average residence time of less than 1 minute, a flow of melamine crystals having a humidity content of less than 0.1%.
A continuous process and a system for drying solid organic substances in an aqueous phase or a mixed (water/organic solvent) phase, which includes feeding a continuous stream of such substances into a continuous drier, to obtain a continuous output stream of dried powder material and steam at a temperature in excess of 100° C. for delivery to an apparatus separating the powder material from the steam. A continuous run of the powder material and a continuous run of steam are discharged from the apparatus for recirculation to the drier, with the steam pressure inside the drier and the separating apparatus kept constant at a value to ensure that substantially no oxygen is present, or that the powder material cannot be ignited. The recirculation is carried out by continuous drawing, downstream of the separating apparatus, an amount of steam corresponding to the amount of steam generated within the drier.
F26B 21/04 - Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
F26B 25/00 - Details of general application not covered by group or
F26B 17/20 - Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotating helical blades or other rotary conveyors moving materials in stationary chambers the axis of rotation being horizontal or slightly inclined
42 - Scientific, technological and industrial services, research and design
Goods & Services
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes. Scientific and technological services and research and design relating thereto; industrial analysis and research services; computer hardware and software design and development services.
MACHINES FOR THE MANUFACTURE AND TREATMENT OF FOODSTUFFS, PHARMACEUTICALS, CHEMICAL, DETERGENTS, AGROINDUSTRIAL AND CERAMIC PRODUCTS, FEEDSTUFF, AND BASIC INGREDIENTS FOR PRODUCING FEEDSTUFF MACHINES FOR THE TREATMENT OF POLLUTING PRODUCTS, NAMELY, WASTE, BY-PRODUCTS, SLURRIES, EFFLUENTS, AND WATERS; DRYERS AND REFRIGERATORS FOR INDUSTRIAL AND AGRICULTURAL PROCESSES
