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| Number | Title | Issue Date |
| 6881303 | Method and system for pyrolyzing plastic and pyrolysate product A plastic as a material to be treated and an additive such as unsaturated fatty acid oil are mixed, and the mixture is heated in a pyrolysis tank at a temperature of 300° C. to 450° C. by a heating member to thereby thermally decompose the mixture. A gas component... | 04/19/2005 |
| 6226889 | Continuous rotary vacuum retort apparatus and method of use The present invention relates to a method and apparatus for use in removing at least one volatile contaminant from contaminated material by using a rotary vacuum retort during high temperature and vacuum processing. The loading and unloading are performed... | 05/08/2001 |
| 6105275 | Continuous rotary vacuum retort apparatus and method of use The present invention relates to a method and apparatus for use in continuously loading material to be treated into a rotary vacuum retort and continuously unloading one or more vapors or similar volatile substances and treated material out of the rotary ... | 08/22/2000 |
| 5628877 | Method and device for producing a solid fuel from combustible waste A method for producing a solid fuel from combustible waste includes sorting and grinding the waste, treating the waste by heating in the absence of oxygen in a first pyrolysis reactor and then collecting the waste so treated. Polluting elements in the gas... | 05/13/1997 |
| 5597451 | Apparatus for thermally decomposing plastics and process for converting plastics into oil by thermal decomposition A thermal decomposition apparatus for plastics wherein plastics are melted and thermally decomposed, and the resulting decomposition gas is cooled for condensation and recovered in the form of a thermal decomposition oil. The apparatus comprises a thermal... | 01/28/1997 |
| 5496465 | Vibrating bed coal pyrolysis system A vibrating bed pyrolysis system has a vibrating bed which is supplied with hot solid particles. Dry coal particles are rapidly heated by the hot solid particles to drive off hydrocarbon vapors. The vapors are condensed in a jet condenser, and products ar... | 03/05/1996 |
| 5366595 | Mobile apparatus for pyrolyzing carbonaceous material and related method A loading mechanism places waste material into a porous rotatable cylinder that is mounted for relative rotation within an air-tight housing. Once loaded, the housing is sealed and oxygen is evacuated. A microwave heating device heats the waste material w... | 11/22/1994 |
| 5194069 | Method and apparatus for refinement of organic material A method and an apparatus for the refinement of organic material is disclosed. Converting and processing organic material is achieved with or without organic and inorganic additions. The base material uses waste material, i.e. forest industry waste and sl... | 03/16/1993 |
| 5095040 | Process for conveying old rubber tires into oil and a useful residue Old rubber tires are physically shredded and a sized fraction of the shreds is fed into a heated rotating stainless steel tube in which the temperature is carefully controlled so that the shreds are converted to a char and a No. 4 oil product both of whic... | 03/10/1992 |
| 5078836 | Method and apparatus for retorting material An apparatus and a method are disclosed for the thermal treatment of feed material containing solids and liquids such as solid waste or the like. The apparatus includes one or more coaxial rotatable drums and one or more free rotating spirals advancing th... | 01/07/1992 |
| 5017269 | Method of continuously carbonizing primarily organic waste material A method of continuously carbonizing a mixture of primarily organic waste material wherein a stream of comminuted waste material with a substantial organic material content is fed to one end of a mixer barrel, the material is compressed to form a barrel f... | 05/21/1991 |
| 4908104 | Method of continuously carbonizing a mixture of primarily organic waste material A method of continuously carbonizing a mixture of primarily organic waste material to a high British Thermal Unit char product wherein a stream of comminuted garbage material with a substantial organic material content is fed to one end of a mixer barrel,... | 03/13/1990 |
| 4859284 | Combined process for the separation and continuous coking of high softening point asphaltenes The present invention relates to a combined process for separating and converting asphaltenes of high molecular weight and high softening point from heavy hydrocarbon material containing asphaltenes by a process that combines a deasphalting method to prod... | 08/22/1989 |
| 4722768 | Device for carrying out gas/solid reactions Untreated coal is activated with steam at temperatures of 600° to 950° C. in a vibrating fluid bed, which is directly heated. The untreated coal is pre-dried by counter-current passage of the waste gases from the reaction either during feeding of the un... | 02/02/1988 |
| 4689120 | Apparatus for the recovery of oil from shale An apparatus for the recovery of oil from shale is disclosed in which the shale travels through processing zones on a moving grate. Among the processing zones are a destructive distillation zone and a carbon combustion zone. A conduit is provided for reci... | 08/25/1987 |
| 4686008 | Pyrolytic decomposition apparatus Apparatus is disclosed for the thermal decomposition or pyrolysis of shredded vehicle tires. Interially of a pyrolysis chamber is mounted a hollow shaft which carries on at least a portion of its outer surface, a conveyor flight and a plurality of partial... | 08/11/1987 |
| 4652342 | Retorting process using an anti-bridging mechanical agitator A process for the destructive distillation of hydrocarbonaceous solids in a retort, wherein a viscous bridging zone comprising viscous liquids in intimate contact with solids, which tends to impede the flow of vaporized hydrocarbons and the flow of solid ... | 03/24/1987 |
| 4597772 | Fixed kiln with rotor steam gasifier A tilted, fixed kiln with rotory steam gasifier having a fixed elongated, pressurizable kiln body member with an input end and an output end and with the center axis supported at an angle to the horizontal so as to bring into effect gravitational forces a... | 07/01/1986 |
| 4591362 | Fluid injection method A process for gasifying carbonaceous solids in a rotating zone is disclosed wherein the gasifying agents are injected into a tumbling bed of the solids through an elongated, rotating tubular flow path (19) positioned and supported so as to remain in the t... | 05/27/1986 |
| 4588429 | Method of heating particulate material with a particulate heating media Apparatus and method for the heat processing of granular materials by the counterflow of the granular material and preheated particulate heat exchange media through a processing drum rotatable about an inclined axis. The hot media is intimately mixed with... | 05/13/1986 |
| 4563246 | Apparatus for retorting particulate solids having recoverable volatile constituents A method and apparatus is disclosed for retorting particulate solid materials, particularly hydrocarbon-containing materials such as oil shale, oil sands, tar sands, coal shale, coal tailings, and the like, for the recovery of a volatile constituent such ... | 01/07/1986 |
| 4563247 | Retort with anti-bridging mechanical agitator An apparatus for the destructive distillation of hydrocarbonaceous solids in a retort, wherein a viscous bridging zone comprising viscous liquids in intimate contact with solids, which tends to impede the flow of vaporized hydrocarbons and the flow of sol... | 01/07/1986 |
| 4436588 | Process for devolatilizing devolatilizable fine-grained material by means of hot, fine-grained heat-carrying material Devolatizable fine-grained material which contains hydrocarbons is devolatilized by means of fine-grained solids which have been heated to temperatures of about 500° to 1000° C. The devolatilizable fine-grained material is mixed with the heated solids a... | 03/13/1984 |
| 4406744 | Process for the production of hydrogenated tar and distillates and low sulfur coke from coal The production of hydrogenated tar and distillates from coal which is passed through successive condensing, hydrogenation, desulfurization and cooling zones of a dense bed while a flue gas is discharged into the lower portion of the desulfurization zone i... | 09/27/1983 |
| 4398476 | Method for incinerating sewage sludge A method and an apparatus of incinerating dewatered sludge without using an auxiliary fuel comprising pelletizing the partially dewatered sludge having a water content of 70 to 75%, drying the pellets with a heat source obtained by burning gases formed by... | 08/16/1983 |
| 4366026 | Process for the production of coke or semicoke In the continuous production of coke or semicoke from coal grains and/or fines an inclined air-tight rotating tubular oven is fed with coal grains and/or fines from a hopper. As the coal grains and/or fines progress down the rotating oven they are heated ... | 12/28/1982 |
| 4351702 | Processing of heavy high-sulfur feedstocks A heavy high-sulfur hydrocarbonaceous feedstock is partially delayed coked and partially formcoked. The coke products are screened, with larger particles being calcined at desulfurizing temperatures and smaller particles being recycled to the formcoker. O... | 09/28/1982 |
| 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 |
| 4344821 | Apparatus for continuously carbonizing and activating carbonaceous materials A process for carbonizing and then activating carbonaceous materials in a continuous process as performed by an apparatus consisting of an elongated, slightly inclined rotary retort into the higher end of which the material is deposited and from the lower... | 08/17/1982 |
| 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 |
| 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 |
| 4313849 | Process for the production of activated carbon from a moist organic substance Coke or activated carbon is produced from a moist organic substance, for example from a residue from the production of furfural. Initially the moist organic substance is introduced together with hot flue gases into a drying zone of a cylinder furnace and ... | 02/02/1982 |
| 4308103 | Apparatus for the pyrolysis of comminuted solid carbonizable materials Apparatus for effecting the pyrolytic treatment of solid carbonizable materials, such as coal, shredded scrap-tires, comminuted municipal waste, sawdust and wood shavings, and the like. The treatment takes place in a cylindrical, horizontally-disposed rea... | 12/29/1981 |
| 4303477 | Process for the pyrolysis of waste materials The emission of halogens and sulfur dioxide and the formation of water-soluble compounds of heavy metals are suppressed in the pyrolysis of waste in a carbonization zone at a temperature in the range from 300° to 600° C. by adding a fine-grained basic m... | 12/01/1981 |
| 4290780 | Method for gasifying finely-divided coal in a fixed bed gasifier A process for gasifying finely-divided coal in a fixed bed gasifier, the process comprising: charging finely-divided coal to a stirred semi-fluidized carbonizer reaction zone where the coal is contacted with oxygen and agglomerated into coal derived parti... | 09/22/1981 |
| 4280877 | Apparatus for providing coal dust to a reaction chamber A method of and apparatus for providing coal dust to a reaction chamber, especially in the process of producing low-sulfur coke dust and gas by gas extraction and partial gasification of coal dust in a reaction chamber for partially combusting coal dust. ... | 07/28/1981 |
| 4278447 | Methods for producing feedstock for a fixed bed gasifier from finely-divided coal A process for producing a feedstock for a fixed bed gasifier from finely-divided coal by treating the coal in a first stirred semi-fluidized carbonizer reaction zone to produce particulate coal derived solids larger than the finely-divided coal charged to... | 07/14/1981 |
| 4265710 | Process for calcining coke Process for calcining green coke in at least three heating stages, which comprises preheating the green coke in the first stage, preliminarily calcining the coke in the second stage, cooling the coke; and calcining the coke in the third stage, volatile ma... | 05/05/1981 |
| 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 |
| 4243489 | Pyrolysis reactor and fluidized bed combustion chamber A solid carbonaceous material is pyrolyzed in a descending flow pyrolysis reactor in the presence of a particulate source of heat to yield a particulate carbon containing solid residue. The particulate source of heat is obtained by educting with a gaseous... | 01/06/1981 |
