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| Number | Title | Issue Date |
| 7176341 | Method and devices for producing naphthalene from coke produced from coke oven crude gas A method and apparatus are disclosed for recovering pure naphthalene from hot crude coke oven gas. The hot crude coke oven gas is directly cooled by means of sprinkling water directly thereon, and the naphthalene is recovered by subsequent filtering out of tar and o... | 02/13/2007 |
| 7029635 | System for treating material containing noxious components A system for treating a treatable material containing a noxious component, which comprises a mixer for mixing a treatment agent containing alkali material with the treatable material to form a mixture, at least one first heat treating furnace for producing a low oxy... | 04/18/2006 |
| 6972085 | Continuous coking refinery methods and apparatus A system for refining hydrocarbon containing materials in a continuous coking mode may provide a pyrolyzer (1) which may be inclined to effect a liquid seal between a liquid conduction environment (6) and a gaseous conduction environment (7). A ... | 12/06/2005 |
| 6746497 | Waste incineration disposal method A waste is dry-distilled in a gasification furnace and generated combustible gas is combusted in a combustion furnace. A temperature in the combustion furnace is set to be substantially constant at a first preset temperature or more. When the temperature in the comb... | 06/08/2004 |
| 6206941 | Apparatus and process for carbonization and activation of carbonaceous materials An apparatus for converting carbonaceous raw materials into a carbonized product and activating the product, includes a device for heating the carbonaceous raw materials to form a carbonized product, and equipment for activating the carbonized product and... | 03/27/2001 |
| 6169211 | Process and apparatus for production of 5-cyclohexadecen-1-one Disclosed is a process for producing 5-cyclohexadecen-1-one continuously from 1,2-divinylcyclododecanol in a short time in an efficient manner without side reactions. In the process, 1,2-divinylcyclododecanol as a starting material is supplied from a raw ... | 01/02/2001 |
| 5824194 | Fractionator system for delayed coking process An improved coker fractionator system which permits withdrawing, from selected ports in the fractionator, streams of selected boiling point ranges for recovery of thermal energy and for altering the liquid vapor loading within the column for more efficien... | 10/20/1998 |
| 5711769 | Process for passivation of reactive coal char A continuous process for treating coal to form stable coal char by passivating the coal and then rehydrating and cooling the product thereof to prevent spontaneous ignition. The process includes the steps of pyrolyzing the coal to vaporize and remove low ... | 01/27/1998 |
| 5632863 | Battery pyrolysis process Used batteries and other material for reclamation and recovery or environmentally safe disposal are transferred from a feed bin by an auger into a crusher and then into a pyrolysis chamber. The feed system excludes air or oxygen from passing through the a... | 05/27/1997 |
| 5616216 | Process and device for treating waste by direct contact Process for treating industrial and/or urban waste comprising notably a drying stage, a waste thermolysis stage and a dechlorination stage by washing the solids resulting from the thermolysis. According to the invention, said thermolysis is achieved by direct ... | 04/01/1997 |
| 5607576 | Two phase treatment of gas to remove halogens Acidic halogens, especially chlorides, are removed from a dry gas stream by contact with dry particles of solid caustic. The solid caustic particles are preferably non-porous, and disposed in a bed with at least a 10% bed interstitial volume. Limiting hal... | 03/04/1997 |
| 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 |
| 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 |
| 5584970 | Process of producing wood charcoal in a moving bed The biomass, particularly lump wood, is supplied to a shaft reactor at its top and is initially preheated to temperatures of about 150° to 280° C. and dried by a counterflowing hot gas. This is followed by a treatment in an underlying carbonizing zone, ... | 12/17/1996 |
| 5547548 | Pyrolysis process water utilization A method for reducing the undesirable contaminants in process water produced in pyrolysis of low rank coal. The method uses the process water to quench and rehydrate a char produced by pyrolysis with the contaminants in the waster water being absorbed by ... | 08/20/1996 |
| 5505822 | Process and device for treating waste by direct contact A process for treating industrial and/or urban waste includes the steps of drying the waste; effecting thermolysis of the dried waste by direct contact with warm gases, and washing solids resulting from the thermolysis with water to effect dechlorination ... | 04/09/1996 |
| 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 |
| 5449439 | Superheated low-pollution combustion of the gaseous products of pyrolysis, particularly in multiple small bulbous burner cups Combustible off-gas(es) produced by the process of pyrolysis are superheated; and a pressurized gaseous mixture including oxygen, normally compressed air, is preheated; before, and by, a burning of the combustible off-gas(es) produced by process of pyroly... | 09/12/1995 |
| 5449438 | Apparatus and method for the pyrolysis of crushed organic waste matter Apparatus and method for reprocessing crushed organic waste products, such as rubber waste from worn car tires, by pyrolysis, the method including pyrolytically decomposing the crushed waste products in a pyrolysis bath which is one of a bed or a bath, an... | 09/12/1995 |
| 5426259 | Method for oil-extracting treatment of wastes In a method for oil-extracting treatment of wastes for extracting oil by heating wastes contained in a waste containing chamber in a manner to be shut off from air, an inert gas is injected into the waste containing chamber after termination of thermal de... | 06/20/1995 |
| 5401364 | Process for treating noncaking, noncoking coal to form char with process derived gaseous fuel having a variably controllable calorific heating value According to this invention there is provided a process for the heat treatment of noncaking, noncoking coal with a process derived gaseous fuel having a variably controllable calorific heating value.... | 03/28/1995 |
| 5378323 | Thermolysis of pentachlorophenol treated poles This invention comprises a method and apparatus for removing oil and tar based wood preservatives from sawdust. A pole treated with oil or tar basee wood preservative is shaved to remove the treated outer wood layer, leaving the interior preservative free... | 01/03/1995 |
| 5330623 | Process of destructive distillation of organic material The organic material (such as waste tire compound) is pyrolysed by pre-heating the organic material (without pyrolysis) in a preheat zone 9 by a hot gas stream; feeding pre-heated material directly to a microwave discharge zone 10 by means of conveyor 8; ... | 07/19/1994 |
| 5240565 | Apparatus for converting paper mill waste sludge into charcoal Apparatus for the production of charcoal by the comingling of a source of wood and ground sludge where the sludge is received from a paper making plant as wet sludge, grinding the wet sludge to a desired reduction, feeding the ground sludge into a furnace... | 08/31/1993 |
| 5171406 | Fluidized bed selective pyrolysis of coal The present invention discloses a process for the pyrolysis of coal which comprises the effective utilization of two zonal inclined fluidized beds, where said zones can be selectively controlled as to temperature and heating rate. The first zonal inclined... | 12/15/1992 |
| 5084141 | Process of destructive distillation of organic material The organic material (such as waste tire compound) is pyrolyzed by pre-heating the organic material (without pyrolysis) in a preheat zone 9 by a hot gas stream; feeding pre-heated material directly to a microwave discharge zone 10 by means of conveyor 8; ... | 01/28/1992 |
| 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 |
| 4960440 | Process for reducing the quantity of undesired compounds in the generation of pyrolysis gas Process water is formed when pyrolysis gas obtained in the pyrolytic decomposition of a starting material is cooled. Due to its content of chemical compounds, it is very costly to dispose of or eliminate the process water. A process for reducing the quant... | 10/02/1990 |
| 4944867 | Process to secure oil, gas, and by-products from pyrobetuminous shale and other matter impregnated with hydrocarbons The process for obtaining oil, gas and other products from pyrobituminous shales and the like includes introducing crushed shale into a retort and contacting the crushed shale in the top portion of the retort with a stream of retort gases. Hot gases are i... | 07/31/1990 |
| 4935099 | Process for making wood charcoal Lump wood is carbonized in a shaft retort, which is flown through by hot rinse gas. The wood is charged to the retort at its top. Wood charcoal is withdrawn from the lower portion of the retort. An exhaust gas which contains gases and vapors produced by c... | 06/19/1990 |
| 4929339 | Method for extended conditioning of delayed coke A method for conditioning delayed coke includes allowing coke to form in a first chamber or coke drum, while simultaneously conditioning coke in a second coke drum by flowing through it a hydrocarbon conditioning fluid recirculated from another portion of... | 05/29/1990 |
| 4867848 | Process and apparatus for producing moulded coke in a vertical furnace which is at least partly electrically heated An apparatus and process for producing coke in a vertical furnace having an upper part for preheating and devolitalizing raw ovoids of coal, an electrically heated median part for carbonizing and coking the ovoids and a lower part for partially cooling th... | 09/19/1989 |
| 4840129 | Pyrolysis system A pyrolysis system for trash and refuse utilization having a heated low temperature carbonization drum with a device for feeding material to be carbonized located at one end face of the drum, a residue discharge device at the other end face of the drum, a... | 06/20/1989 |
| 4746406 | Pyrolyzing plastic or rubber wastes Pyrolytic reprocessing of plastic, rubber, or other hydrocarbon materials in which the resultant pyrolysis gas is brought in a cooling stage to a temperature just above the freezing point of water and to a pressure of approximately 0.8 to 1.4 bar of overp... | 05/24/1988 |
| 4725337 | Method for drying low rank coals A process is disclosed for removing a substantial portion of water and impurities from low rank coal and peat, whereby an improved coal or peat product (not found in nature) is obtained. The low rank coal and peat are subjected to a superheated gaseous me... | 02/16/1988 |
| 4718984 | Apparatus for calcining coke An internally-fired vertical shaft kiln for calcining coke wherein a downwardly moving coke bed has a co-current preheat gas stream in the upper portion of the kiln and a counter-current combustion gas stream in the lower portion of the kiln. Both gases a... | 01/12/1988 |
| 4632731 | Carbonization and dewatering process An energy efficient process for beneficiating and dewatering high water content carbonaceous materials utilizing a pneumatic stream to entrain, transport, dewater and to carbonize organic carbonaceous material in a fluidized bed. The process utilizes phys... | 12/30/1986 |
| 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 |
| 4597776 | Hydropyrolysis process An improved process for producing a methane-enriched gas wherein a hydrogen-deficient carbonaceous material is treated with a hydrogen-containing pyrolysis gas at an elevated temperature and pressure to produce a product gas mixture including methane, car... | 07/01/1986 |
| 4585543 | Method for recovering hydrocarbons from solids A system is provided for recovering hydrocarbons from hydrocarbon-containing solids such as oil shale, tar sands or coal. The process includes preheating finely divided solids prior to introduction to a low residence time tubular reactor where a portion o... | 04/29/1986 |
