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| Number | Title | Issue Date |
| 7341872 | Multiautoclave with set of vessels for combinatorial synthesis of zeolites and other materials A vessel arrangement having a base and multiple vessels suited for simultaneously conducting a plurality of isolated experimental reactions or treatments at atmospheric process conditions or elevated temperatures and pressure condition has been developed. A componen... | 03/11/2008 |
| 7334390 | Mixed fuel coal burner for gas turbines As shown schematically in FIG. 1, hot gases, containing molecular oxygen, from generator elements, (14) and (19), pass through a bed of coal chunks in an ODD reactor chamber (2). The molecular oxygen content of these hot gases is less tha... | 02/26/2008 |
| 7261748 | Portable hydrogen source A man portable hydrogen source, the source comprising one or more hydrogen generating elements (2), an ignition control system (3) and a pressure vessel (1). Each hydrogen generating element comprises a pellet holder (7) provided with one... | 08/28/2007 |
| 7229483 | Generation of an ultra-superheated steam composition and gasification therewith A method for gasifying carbonaceous materials to fuel gases comprises the formation of an ultra-superheated steam (USS) composition substantially containing water vapor, carbon dioxide and highly reactive free radicals thereof, at a temperature of about 2400° F. (1... | 06/12/2007 |
| 7217303 | Pressure swing reforming for fuel cell systems The present invention provides an improvement in the process of producing hydrogen from hydrocarbon-containing streams. A cyclic reforming process, referred to as pressure swing reforming, provides an efficient means for producing a hydrogen containing synthesis gas... | 05/15/2007 |
| 7153398 | Method for producing fullerene-containing carbon and device for carrying out said method The inventive method for producing fullerene-containing carbon and the device for carrying out said method relate to the chemical industry and are used for producing fullerenes. Said method for producing fullerene-containing carbon consists in vaporising graphite in... | 12/26/2006 |
| 7090707 | Combustion chamber design for a quench gasifier A new combustion chamber design for a quench gasifier. Electrical heating is used in the throat area of the combustion chamber to achieve temperatures up to 3500° F. to melt ash deposits and to increase carbon conversion (reduce soot production). Silicon carbide an... | 08/15/2006 |
| 7087097 | Facility for the gasification of carbon-containing feed materials A pressure-supercharged fluidized-bed gasification chamber has a pressure-tight lock for supplying the feed materials which are to be gasified. The fluidized-bed gasification chamber is connected to a filter chamber via a connecting channel, with the result that the... | 08/08/2006 |
| 7040240 | Ash fusing system, method of operating the system, and gasification fusing system for waste An ash melting system of the present invention includes a slagging combustion furnace (10) for melting ash into molten slag; and a slag separating apparatus (50) for bringing the molten slag (121) discharged from the slagging combustion furnace ... | 05/09/2006 |
| 6955695 | Conversion of petroleum residua to methane This invention discloses improvements on previous inventions for catalytic conversion of coal and steam to methane. The disclosed improvements permit conversion of petroleum residua or heavy crude petroleum to methane and carbon dioxide such that nearly all of the h... | 10/18/2005 |
| 6929668 | Process for production of hydrogen by partial oxidation of hydrocarbons The invention concerns a method for producing a gas mixture containing hydrogen and carbon monoxide, and optionally nitrogen, from at least a hydrocarbon such as methane, propane, butane or LPG or natural gas, which comprises performing a partial catalytic oxidation... | 08/16/2005 |
| 6911058 | Method for producing clean energy from coal A method for producing clean energy from coal by feeding the coal in a reactor which is sealed to the atmosphere and moving the coal in the reactor while injecting oxygen to combust a portion of the coal in a substoichiometric mode to devolatilize the coal and yield... | 06/28/2005 |
| 6613127 | Quench apparatus and method for the reformation of organic materials Methods and apparatus for processing and cooling a hot gaseous stream exiting a gasification reactor vessel at temperatures in excess of 1300° C. where the gas will come into contact with a corrosive aqueous liquid, including methods and apparatus for co... | 09/02/2003 |
| 6312483 | Method of and apparatus for producing combustible gases from pulverized solid fuel Combustible gases from pulverized solid fuel are generated by semi-coking the pulverized solid fuel in a reactor in the absence of oxygen to produce a solids stream that includes carbonaceous material and a gas stream that includes hydrocarbon gases and t... | 11/06/2001 |
| 6117199 | Method and apparatus for gasifying solid carbonaceous material Method and apparatus for gasifying of a solid carbonaceous material in a fluidized bed reactor in which the solid particles entrained by the gases being removed from the upper part of the reactor are separated and returned to the lower part of the reactor... | 09/12/2000 |
| 5785721 | Fuel injector nozzle with preheat sheath for reducing thermal shock damage The operating life of a fuel injector nozzle for a gasifier is prolonged by shielding the fuel injector nozzle with a preformed protective insulating sheath before the fuel injector nozzle is installed inside a preheated reaction chamber of the gasifier. ... | 07/28/1998 |
| 5772708 | Coaxial coal water paste feed system for gasification reactor A system for feeding a coal-water paste material coaxially upwardly through a feed nozzle assembly into a pressurized fluidized bed reactor having a lower portion and a larger diameter upper portion. The feed nozzle assembly includes a nozzle unit for ato... | 06/30/1998 |
| 5656044 | Method and apparatus for gasification of organic materials A process and apparatus for gasification of organic materials (typically incorporated in domestic and industrial wastes, including auto shredder residues) to produce useful synthesis gas (with a major content CO and H2) with effectively non-tox... | 08/12/1997 |
| 5656043 | Process for air-blown gasification of carbon-containing fuels When carrying out a radiant heat exchange between two media, one medium being a hot gas (5) and the other medium being a gasification mixture (11) of fuel and steam, the device consists of a gasification vessel (1) which, for its part, consists of a react... | 08/12/1997 |
| 5656042 | Environmentally acceptable process for disposing of scrap plastic materials A pumpable slurry of shredded scrap solid carbonaceous plastic-containing material that contains associated inorganic matter in admixture with a comminuted aluminosilicate-containing material having noncombustible constituents is reacted by partial oxidat... | 08/12/1997 |
| 5645616 | Black liquor gasifier A system and method for producing product gas using residual waste liquor is described with a gasifier reactor having a fluidized bed located therein. The gasifier reactor is heated to a predetermined temperature range with either an external heater or a ... | 07/08/1997 |
| 5641327 | Catalytic gasification process and system for producing medium grade BTU gas A catalytic gasification process and system for producing medium grade BTU gas including a gasification reactor having an inner air gasification zone, an outer steam gasification zone, a synthetic coal reaction zone, and an upper lime treating zone. The p... | 06/24/1997 |
| 5578094 | Vanadium addition to petroleum coke slurries to facilitate deslagging for controlled oxidation A method facilitating the deslagging of a partial oxidation reactor used to produce syngas is disclosed. The slag comprises vanadium trioxide and a siliceous material that accumulate on the interior walls of the partial oxidation reactor as a byproduct of... | 11/26/1996 |
| 5578093 | Fluid bed desulfurization A method and apparatus for desulfurizing a gas and regenerating a sorbent is disclosed. The sulfur-containing feed gas which can be an effluent gas from a coal gasification reactor, for example, is desulfurized with a particulated metallic oxide sorbent i... | 11/26/1996 |
| 5571295 | Process for cooling of a partial oxidation crude gas The process for cooling of partial oxidation crude gas includes partially oxidizing a fine grained to powdery combustible material in a flow gasifier in the presence of water vapor and an oxidizing member selected from the group consisting of oxygen and a... | 11/05/1996 |
| 5545238 | Method of monitoring slag removal during controlled oxidation of a partial oxidation reactor The progress and completion of slag removal from the quench chamber of a partial oxidation reactor during controlled oxidation can be monitored by measuring such quench water parameters as pH, conductivity, total dissolved solids, and sulfate concentratio... | 08/13/1996 |
| 5445659 | Partial oxidation of products of liquefaction of plastic materials A process for converting scrap plastic material into a high quality transportation fuel. The plastic material is granulated and mixed with granulated solid carbonaceous fuel e.g. coal and liquid hydrocarbonaceous solvent e.g. waste motor oil to produce a ... | 08/29/1995 |
| 5441547 | Method for gasification of a finely divided combustible material The gasification process includes providing a gasification reactor for gasifying a finely divided combustible material under pressure to form a crude gas with cinder and ash components, a quenching pipe positioned concentrically above the gasification rea... | 08/15/1995 |
| 5423894 | Partial oxidation of low rank coal Pumpable aqueous slurries of low rank coal e.g. subbituminous coal and lignite having a comparatively high solids content are made by keeping the particles of coal in contact with a non-oxidizing gas e.g. nitrogen and/or CO2 thereby maintaining... | 06/13/1995 |
| 5415673 | Energy efficient filtration of syngas cooling and scrubbing water A partial oxidation process for the production of a stream of cooled and cleaned synthesis gas, reducing gas, or fuel gas substantially free from entrained particulate matter and slag. The hot raw gas stream from the partial oxidation gas generator is que... | 05/16/1995 |
| 5403366 | Partial oxidation process for producing a stream of hot purified gas A partial oxidation process for the production of a stream of hot clean gas substantially free from particulate matter, alkali metal compounds, hydrogen halides, hydrogen cyanide, sulfur-containing gases, and with or without ammonia for use as synthesis g... | 04/04/1995 |
| 5401282 | Partial oxidation process for producing a stream of hot purified gas A partial oxidation process for the production of a stream of hot clean gas substantially free from particulate matter, ammonia, alkali metal compounds, halides and sulfur-containing gas for use as synthesis gas, reducing gas, or fuel gas. A hydrocarbonac... | 03/28/1995 |
| 5347068 | Method of simultaneous disposal of solid and liquid wastes Method for simultaneous disposal of solid and liquid wastes including the steps of gasifying in a fixed bed pressure gasifier a gasification material containing coal and 1 to 70% of a solid waste material containing sulfur, hydrocarbons, PCBs, dioxins and... | 09/13/1994 |
| 5289676 | Efficient low temperature solvent removal of acid gases A high pressure synthetic gas stream is produced by gasifying coal. Hydrogen sulfide is removed by contacting the high pressure gas stream with a physical solvent, such as an alcohol, in an absorber column. A low temperature is maintained in the absorber ... | 03/01/1994 |
| 5266085 | Process for disposing of sewage sludge A process for disposing of sewage sludge comprising the steps of, (1) dewatering the sewage sludge to produce an aqueous slurry of sewage sludge having a solids content of about 10 to 30 wt. %; (2) simultaneously heating and shearing said dewatered sewage... | 11/30/1993 |
| 5250083 | Process for production desulfurized of synthesis gas A process for the partial oxidation of a sulfur- and silicate-containing carbonaceous fuel to produce a synthesis gas with reduced sulfur content which comprises partially oxidizing said fuel at a temperature in the range of 1900°-2600° F. in the presen... | 10/05/1993 |
| 5234469 | Process for disposing of sewage sludge A process for disposing of sewage sludge comprising the steps of, (1) dewatering the sewage sludge to produce an aqueous slurry of sewage sludge having a solids content of about 10 to 50 wt. %; (2) heating and mildly shearing said dewatered sewage sludge ... | 08/10/1993 |
| 5230211 | Partial oxidation of sewage sludge An improved process for the low-cost disposal of noxious municipal sewage sludge in a safe way without polluting the environment. In the process, a portion of a stream of dewatered sewage sludge having a solids content in the range of about 17 to 40 wt.% ... | 07/27/1993 |
| 5220782 | Efficient low temperature solvent removal of acid gases A high pressure synthetic gas stream is produced by gasifying coal. Hydrogen sulfide is removed by contacting the high pressure gas stream with a physical solvent, such as an alcohol, in an absorber column. A low temperature is maintained in the absorber ... | 06/22/1993 |
| 5211724 | Partial oxidation of sewage sludge An improved process for the low-cost disposal of noxious sewage sludge in a safe way without polluting the environment. In the process, sewage sludge having a solids content of about 0.5 to 20 wt.% is concentrated by pressing in a belt filter press, optio... | 05/18/1993 |
