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| Number | Title | Issue Date |
| 7922871 | Recycling carbon fibre A method of recycling composite material comprising carbon fibers and a resin, the method comprising: providing a furnace comprising at least a heating portion; providing a transporter for transporting the composite material through the furnace; loading the composit... | 04/12/2011 |
| 7037409 | Method of hot-repairing the heating flues of a coke-oven battery and device for carrying out said method A method and a device for the hot-repairing of the heating flues of a coke-oven battery according to which the completed sections of a heating flue still under construction are heated by means of a heated gas. The heated gas comprises the air usually provided for co... | 05/02/2006 |
| 6669822 | Method for carbonizing wastes The present invention relates to a waste carbonization method which produces charcoal and/or activated carbon from solid wastes, such as wood waste, and renders produced gas completely harmless. Solid wastes B are exposed to gas generated in pyrolysis gas... | 12/30/2003 |
| 6005149 | Method and apparatus for processing organic materials to produce chemical gases and carbon char The invention provides a practical and efficient method and apparatus for thermally processing organic based raw materials of either primary or secondary (recycled) origin, in order to extract volatile organic vapors and to selectively produce either cond... | 12/21/1999 |
| 5853548 | Energy efficient liquefaction of biomaterials by thermolysis A thermolysis process for the production of volatiles for an external combustor or liquefaction of biomass solids in which specific and previously unrecognized conditions are employed. The thermolysis is carried out in a single fluidized bed of inert mate... | 12/29/1998 |
| 5728271 | Energy efficient liquefaction of biomaterials by thermolysis A thermolysis process for liquefaction of biomass solids in which specific and previously unrecognized conditions are employed. The thermolysis is carried out in a single fluidized bed of inert material operating at near atmospheric pressure, relatively l... | 03/17/1998 |
| 5605551 | Process for the thermal conversion of biomass to liquids A high conversion of biomass, such as wood, sawdust, bark, or agricultural wastes, to liquids is obtained bypyrolysis at short reaction tines in a reactor capable of high heat transfer rates; the reactor being of the fluidized bed, circulating fluidized b... | 02/25/1997 |
| 5464876 | Process for the recovery of valuable materials during the work-up of polyvinyl chloride Heating of polyvinyl chloride, in particular plasticizer-containing polyvinyl chloride, to a temperature of from 250° to 500° C. in the absence of oxygen gives a low-chlorine, carbon-containing residue, plasticizer and hydrogen chloride.... | 11/07/1995 |
| 5435890 | Apparatus for producing a rubber extender/plasticizing agent from used automobile rubber tires A preferred embodiment of the apparatus 10 for recycling used automobile rubber tires is described in which small pieces of rubber tires are progressively fed into a vertical reactor 14 of the counter-flow type in which the material progressively descends... | 07/25/1995 |
| 5360537 | Apparatus and method for retorting oil shale and like materials A continuously operable combustion-type retort apparatus includes an insulated retort. A preheater is preferably associated with the retort for preheating incoming material, and means are preferably provided for injecting acetic acid and steam into the in... | 11/01/1994 |
| 5212144 | Process for making chemically activated carbon An improved apparatus and method for the manufacture of activated carbon wherein a carbonaceous raw material impregnated with a chemical activating agent is treated by controlling the rate of heat transfer to the particles via indirect heating of the acti... | 05/18/1993 |
| 5106390 | Gasification process using a multi-layer reaction bed, to destroy toxic material and produce synthesis gas An improve gasification system, in which synthesis gas is produced through the operation of a fuel gas production bed comprising an upper layer (66) of organic input material, typically in the form of pellets or briquettes of substantially uniform size an... | 04/21/1992 |
| 5034021 | Apparatus for thermal pyrolysis of crushed coal Apparatus is described for the pyrolysis of coal comprising a pyrolysis tower through which crushed coal and hot gas are counter-currently passed. The tower enables a controlled temperature profile to be maintained in the tower, and contains inner appurte... | 07/23/1991 |
| 4994174 | Process and system for low-temperature carbonization of oil shale, oil sands or similar oil-bearing solids A process and system for low-temperature carbonization of oil shale, oil sands and similar oil-bearing solids includes low-temperature carbonization of oil-bearing solids in a high-pressure fluidized bed reactor in the presence of a substance selected fro... | 02/19/1991 |
| 4948495 | High liquid yield process for retorting various organic materials including oil shale This invention is a continuous retorting process for various high molecular weight organic materials, including oil shale, that yields an enhanced output of liquid product. The organic material, mineral matter, and an acidic catalyst, that appreciably ads... | 08/14/1990 |
| 4894122 | Continuous process for the desulphurization of carbonaceous residuals from distillation of petroleum using a plurality of fluidized beds A process for the desulphurization of residuals of petroleum distillation in the form of coke particles having an initial sulphur content greater than about 5% by weight. Desulphurization is effected by means of a continuous electrothermal process based o... | 01/16/1990 |
| 4883499 | Process adapted to produce synthesis gas and activated carbon from organic input material An improved gasification system, in which synthesis gas is produced through the operation of a fuel gas production bed comprising an upper layer (66) of organic input material, typically in the form of pellets or briquettes of substantially uniform size a... | 11/28/1989 |
| 4822935 | Hydrogasification of biomass to produce high yields of methane A process for hydrogasification of biomass to produce high yields of methane utilizes a reactor capable of carrying out rapid pyrolysis. Biomass particles, hydrogen, particles of a suitable catalyst that has both cracking and hydrogenation activity, and h... | 04/18/1989 |
| 4778585 | Two-stage pyrolysis of coal for producing liquid hydrocarbon fuels Increased yields of liquid hydrocarbon are obtained from a carbonaceous material (e.g., coal) by a two-stage process comprising pretreatment of the carbonaceous material with an appropriate gas in a first stage, followed by pyrolysis of the pretreated car... | 10/18/1988 |
| 4734165 | Method for the production of coke Coke is produced from coal by coking the coal, and optionally by drying and/or preheating the coal prior to coking, and further optionally by dry cooling the coke subsequent to coking. At least the coking step is achieved in a pressure tight container whi... | 03/29/1988 |
| 4696734 | Method for gas treatment of a bed of particles An apparatus and method for gas treating a particle bed wherein a uniform temperature gradient is achieved. A support member, such as a grate, serves to support a bed of particles on a surface thereof. The support member is moved in a predetermined direct... | 09/29/1987 |
| 4614234 | Method of recovering coal values by combining underground coal gasification with surface coal liquefaction Hot gases from an underground coal gasification operation are used to pyrolyze mined coal, which is subsequently used for surface steam generation, the steam being utilized in the underground coal gasification operation. Valuable gases and hydrocarbon liq... | 09/30/1986 |
| 4599161 | Retorting process with contaminant removal Hydrogen sulfide issuing from an oil shale retort is captured in an absorbent bed. When the bed is regenerated as with oxygen containing gas, the sulfur dioxide liberated is reintroduced into the retort for reaction with the spent shale.... | 07/08/1986 |
| 4597775 | Coking and gasification process An improved coking process for normally solid carbonaceous materials wherein the yield of liquid product from the coker is increased by adding ammonia or an ammonia precursor to the coker. The invention is particularly useful in a process wherein coal liq... | 07/01/1986 |
| 4551223 | Thermal flashing of carbonaceous materials A method for thermally flashing gases and liquids from a particle-form, normally solid carbonaceous material, including: contacting the carbonaceous material with a gas, which may supply at least part of the necessary heat, at essentially atmospheric pres... | 11/05/1985 |
| 4537603 | Cyclic char gasifier devolatilization process A cyclic char gasifier process and apparatus are described wherein reactant gases are first compressed into the pores of a char fuel to react and then the reacted gases are expanded out of the char fuel pores. This cycle of compression and expansion is re... | 08/27/1985 |
| 4533438 | Method of pyrolyzing brown coal A two-step method and apparatus, according to the fluidized bed principle, for the production of coke, rich gas and pyrolysis tar, with the object of executing the method in a compact apparatus arrangement, with high energy efficiency and high throughput ... | 08/06/1985 |
| 4512873 | Process for low temperature carbonization of hydrogenation residues The residues obtained in the hydrogenation of oil, especially heavy oil, or of coal are subjected to low temperature carbonization in a drum, preferably a rotary drum, at temperatures between approximately 400° C. and approximately 600° C., by means of ... | 04/23/1985 |
| 4358344 | Process for the production and recovery of fuel values from coal A method of pyrolyzing and desulfurizing coal in a transport reactor to recover volatile fuel values and hydrogen by heating particulate coal entrained in a carrier gas substantially free of oxygen to a pyrolysis temperature in a zone within three seconds... | 11/09/1982 |
| 4345896 | Methods and apparatus for calcining carbonaceous material The rate of calcining carbonaceous material in a rotary kiln is increased by introducing oxygen into the inlet of air fans mounted on the kiln. The introduction of oxygen is effected during a predetermined portion of each kiln revolution and is effective ... | 08/24/1982 |
| 4345988 | Method for sealing the drive-side portion of a preparation and hydrogenation chamber for hydrogenating coal with hydrogen to form hydrocarbons A method and apparatus for sealing the drive end of a chamber for the preparation and hydrogenation of coal with hydrogen to form hydrocarbons in which the chamber comprises a hollow cylinder with a rotatable element therein having a conveying web thereon... | 08/24/1982 |
| 4344835 | Method for monitoring and controlling hydrogenation pressure in plant for the hydrogenation of coal with hydrogen to form hydrocarbons In plant for hydrogenating coal to form hydrocarbons, wherein coal in powder or piece form is fed from a hopper into a preparation chamber, is compressed, conveyed and heated by a rotor comprising a rotating friction element and passed, through a feed ape... | 08/17/1982 |
| 4336125 | Production of synthetic hydrocarbon fuels from peat A process and apparatus for production of synthetic hydrocarbon fuels from peat providing wide variation of the composite proportion of liquid-gas output while maintaining high overall carbon conversion to useful fuel. The process and apparatus utilizes t... | 06/22/1982 |
| 4326944 | Rapid hydropyrolysis of carbonaceous solids A method is disclosed for recovering liquids and gases by a rapid hydropyrolysis of carbonaceous solids which comprises subjecting the carbonaceous material in a stream of carrier gas to a first pressure and a first temperature below the decomposition tem... | 04/27/1982 |
| 4325787 | Apparatus for retorting comminuted oil shale A continuously operable retort-type processing system for the recovery of petroleum-like products from comminuted oil-bearing shale and other oil-yielding particulate solid materials. The retort portion of the system includes an insulated retort outer she... | 04/20/1982 |
| 4297201 | Process for oil shale retorting Particulate oil shale is subjected to a pyrolysis with a hot, non-oxygenous gas in a pyrolysis vessel, with the products of the pyrolysis of the shale contained kerogen being withdrawn as an entrained mist of shale oil droplets in a gas for a separation o... | 10/27/1981 |
| 4288293 | Form coke production with recovery of medium BTU gas In the fluidized carbonization and calcination of coal to form a reactive coal calcinate for admixture with bituminous binder for briquetting, curing, and coking to produce form coke, the improvement of recovering medium BTU gases in the overheads by usin... | 09/08/1981 |
| 4270980 | Method for recovering and utilizing heat of coke-oven gas A method for recovering and utilizing heat of coke-oven gas, which comprises: through heat exchange with a high-temperature coke-oven gas generated from a coke oven battery and containing vaporized coal tar, vaporized low boiling point substances and dust... | 06/02/1981 |
| 4268359 | Method for cooling dustlike or fine-grained solids A method and apparatus for cooling dustlike or fine-grained reaction residue emanating from a reactor is disclosed. According to the method reaction residue emanating from a reactor passes downwardly into a cooling shaft where it is maintained in the form... | 05/19/1981 |
| 4260456 | Single retort manufacturing technique for producing valuable char and gases from coke A single retort and accumulator structure includes two heating zones for successively removing volatile material from dried crushed coal so that the resultant calcined char has less than about 7 weight percent volatile material and is suitable as a raw ma... | 04/07/1981 |
