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| Number | Title | Issue Date |
| 7316762 | Dynamic flange seal and sealing system The present invention features a flange to flange dynamic seal and sealing system, particularly suited for use within high temperature, high pressure environments, such as a delayed coking process. The dynamic flange seal and sealing system comprises two primary ele... | 01/08/2008 |
| 7097743 | Method for operating a coke-oven battery A method is provided for operating a coke oven battery including many identical coking chambers, a raw gas receiver, and throttle devices arranged in the receiver for individually controlling the gas pressure in the chambers. Each throttle device includes an immersi... | 08/29/2006 |
| 7094321 | Device for controlling the gas pressure in a coke oven chamber A device for controlling the gas pressure in a coke oven chamber, has an immersion cup, to which water is supplied, and with an immersion pipe which is connected to the gas space of the coke oven chamber and terminates in the, immersion cup. The immersion cup has an... | 08/22/2006 |
| 7067043 | Coke oven door with gas channel A coke oven has a coke-oven chamber adapted to hold a mass of coke, defining above the mass of coke a gas-collecting chamber, and having a door opening. A door closes the door opening. A peripheral gas channel extends around the opening between the door and coke-ove... | 06/27/2006 |
| 6940043 | Heating element using charcoal Disclosed is a heating element which can also absorb gas, especially a heating element usable as an interior material for buildings which serves both as a heater and an absorber capable of absorbing harmful gas present in the room. This heating element comprises: a ... | 09/06/2005 |
| 6830597 | Process and device for pyrolysis of feedstock The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. In a preferr... | 12/14/2004 |
| 6790317 | Process for flash carbonization of biomass A low-energy input process for the pyrolytic conversion of biomass to charcoal or carbonized charcoal is provided. The biomass is sealed in a container, pressurized with air and heated to ignition. Control of pressure by input of air and release of gases to maintain... | 09/14/2004 |
| 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 |
| 6143136 | Method and apparatus for physical and chemical separation and reaction A method and apparatus for separating volatile from nonvolatile substances, separation of volatile substances, one from the other, and for performing various chemical reactions. In particular, an apparatus which performs these functions utilizing a combin... | 11/07/2000 |
| 6139692 | Method of controlling the operating temperature and pressure of a coke oven The pressure in the coking chamber of a coke oven is held at about atmospheric pressure, and the temperatures at the opposite longitudinal ends of the combustion chamber are independently controlled. Fuel gas is supplied to hold the temperature at the opp... | 10/31/2000 |
| 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 |
| 6077399 | Method for producing uniform quality coke The present invention deals with a method to produce uniform quality coke for a blast furnace by quenching coke at a pre-determined rate to produce coke with essentially uniform moisture; further, this invention possesses specific features to produce coke... | 06/20/2000 |
| 6048374 | Process and device for pyrolysis of feedstock The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. I... | 04/11/2000 |
| 5968320 | Non-recovery coke oven gas combustion system A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension pipes connected to a collector main. Flushing liquor is spray... | 10/19/1999 |
| 5928476 | Nonrecovery coke oven door A coke oven door for closing the open end of an elongated coking chamber of a nonrecovery coke oven, including process air vents extending through the door at a level above a coal charge to be coked, has a structural frame on its outer surface including a... | 07/27/1999 |
| 5800680 | System and method for rapid opening of coking vessels The present invention relates to a system for fastening and sealing the flanges of the inlets of pressure vessels operating under extreme temperature conditions and with frequent opening/closing cycles, as is the case of coking vessels (5), consisting of ... | 09/01/1998 |
| 5783046 | Process and apparatus for the destructive distillation of rubber An improved process and apparatus for the destructive distillation or pyrolysis of rubber, such as used rubber tires, to produce liquid and gaseous hydrocarbons and a solid carbonaceous char. A heat transfer gas circulating in a circulation loop is used t... | 07/21/1998 |
| 5639353 | Apparatus for carbonizing material An apparatus for the carbonization of materials, such as coal, comprising an elongated coking retort defined by an annulus which constitutes the coking chamber within which the coal is carbonized indirectly by conduction. In order to provide an efficient ... | 06/17/1997 |
| 5609731 | Process for gas pressure regulation in the retort of a coke oven A process is disclosed for regulating the gas pressure in the retort of a coke oven. Pivotable cup valves arranged in the elbows of the ascending pipe are actuated as throttling members according to the pressure curve resulting from gas formation from the... | 03/11/1997 |
| 5607556 | Method for coking coal This invention discloses a new method for the production of coke from coals. In the present invention, coke is continuously produced by heating a moving charge of coal inside the annular space between two tubes. The coking chamber, which includes a large ... | 03/04/1997 |
| 5451297 | Treatment of automobile shredder residue by vacuum pyrolysis Metals are recovered from automobile shredder residue by subjecting the shredder residue to vacuum pyrolysis to produce non-condensable gases, condensable hydrocarbon vapors and water vapor, and a solid residue containing non-oxidized metals and a carbona... | 09/19/1995 |
| 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 |
| 5435983 | Process for charcoal production from woody and herbaceous plant material An improved batch process for the pyrolytic conversion of woody and herbaceous plant material is provided which yields charcoal, on a dry weight basis, in yields ranging from about 35% to about 50%, having volatile matter content of about 25% or less, and... | 07/25/1995 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 4978369 | Process for feeding carbonaceous material into reaction spaces Disclosed is a process for feeding carbonaceous materials into pressurized reaction spaces where partial oxidation or hydrogenation occurs. The feed is compressed into a strand material in a rotable screw conveyor which strand is disintegrated by fluid me... | 12/18/1990 |
| 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 |
| 4886521 | Decaking of coal or oil shale during pyrolysis in the presence of iron oxides A method for producing a fuel from the pyrolysis of coal or oil shale in the presence of iron oxide in an inert gas atmosphere. The method includes the steps of pulverizing feed coal or oil shale, pulverizing iron oxide, mixing the pulverized feed and iro... | 12/12/1989 |
| 4759977 | Flexible carbon material A flexible carbon material is produced by carbonizing a composite material comprising carbon fibers having an average length of 6 to 50 mm and a binding agent. Carbon lumps are derived from the binding agent and are dispersed in a matrix of the carbon fib... | 07/26/1988 |
| 4740270 | Vacuum pyrolysis of scrap tires A process for the treatment of used rubber tires by vacuum pyrolysis in a reactor to produce liquid and gaseous hydrocarbons and a solid carbonaceous material is disclosed. According to the invention, the pyrolysis of the tires is carried out at a tempera... | 04/26/1988 |
| 4584060 | Low temperature carbonization process for coal hydrogenation residues A method for low temperature carbonization of coal hydrogenation residues, wherein a coal hydrogenation residue is subjected to a reduced pressure distillation in a one-shaft or multishaft screw extruder, liberated gases and vapors are drawn off, and non-... | 04/22/1986 |
| 4583995 | Method of producing synthesis gas A method of producing synthesis gas from coal hydrogenation residues, wherein a coal hydrogenation residue is subjected to a reduced pressure distillation in a one-shaft or multishaft worm apparatus where the gases and vapors evolved are withdrawn and the... | 04/22/1986 |
| 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 |
| 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 |
| 4344820 | Method of operation of high-speed coke oven battery A plurality of sole flue-heated, non-recovery coke ovens constructed in side-by-side relation in a battery have their chimney uptake outlets connected to a common combustion tunnel extending longitudinally of and above the battery and connected to stacks ... | 08/17/1982 |
| 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 |
| 4235676 | Apparatus for obtaining hydrocarbons from rubber tires and from industrial and residential waste An elongated tube is maintained at a temperature of about 1100° F. throughout its length. Organic waste material such as shredded rubber automobile tires or industrial plastic waste or residential trash which preferably has metal and inorganic matter rem... | 11/25/1980 |