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| Number | Title | Issue Date |
| 7241323 | Pyrolysis process for producing fuel gas Solid waste resource recovery in space is effected by pyrolysis processing, to produce light gases as the main products (CH4, H2, CO2, CO, H2O, NH3) and a reactive carbon-rich char as the main byproduct. Signifi... | 07/10/2007 |
| 7232472 | Method for the treatment of coal A method and apparatus for the treatment of coal to form a product gas such as methane (CH4), and a high purity carbon product. The method includes contacting a coal-containing feedstock with a treatment gas that includes hydrogen. The coal feedstock can ... | 06/19/2007 |
| 7169197 | Pyrolysis processing for solid waste resource recovery Solid waste resource recovery in space is effected by pyrolysis processing, to produce light gases as the main products (CH4, H2, CO2, CO, H2O, NH3) and a reactive carbon-rich char as the main byproduct. Signifi... | 01/30/2007 |
| 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 |
| 7021223 | Method and apparatus for injecting gasification medium into particle-loaded gasification spaces Method and apparatus for injecting gasification medium into particle-loaded gasification spaces of fixed-bed, fluidized-bed or entrained-bed gasifiers by means of gasification-medium nozzles, wherein the supply portion the isorate of the gasification medium in the g... | 04/04/2006 |
| 6997965 | Method for the gasification of coal A method of the gasification of coal using oxygen and steam is provided wherein the coal is gasified at a temperature of from 1000 to 2500° C. and a pressure of from 1 to 100 kg/cm2 using oxygen generated by electrolyzing water and steam having a tempera... | 02/14/2006 |
| 6911057 | Apparatus for converting coal into fuel cell quality hydrogen and sequestration-ready carbon dioxide An apparatus for burning coal to produce substantially pure hydrogen for use in fuel cells, together with “sequestration ready” carbon dioxide and a stream of oxygen depleted air for powering gas turbines. The apparatus includes two fluidized bed reactors and a ... | 06/28/2005 |
| 6902711 | Apparatus for treating wastes by gasification An apparatus for treating wastes includes a fluidized bed reactor for partially combusting the wastes at a relatively low temperature, and a separate relatively high temperature reactor for separate gasification of gaseous material and char from the first gasificati... | 06/07/2005 |
| 6827751 | Thermodynamic accelerator/gasifier An apparatus which is capable of supporting a process for gasifying a variety of hydrocarbon-containing materials. The resulting hydrogen-containing gas is suitable for use in various combustion processes and for petrochemical processes. A hydrocarbon-containing mat... | 12/07/2004 |
| 6312482 | Steam generator for gasifying coal A combined, integral steam generator coal gasifier includes a vertically elongated, all welded, gas tight enclosure with a burner zone having a double pitch sloping furnace floor and a slag tap extending therethrough. Successive zones located above the bu... | 11/06/2001 |
| 5855631 | Catalytic gasification process and system 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... | 01/05/1999 |
| 5849050 | Process for generating burnable gas A process is disclosed for generating burnable gas by gasifying water- and ballast-containing organic materials, be it coal or garbage. The drying, low temperature carbonization and gasification steps are carried out separately. The heat taken form cooled... | 12/15/1998 |
| 5803937 | Method of cooling a dust-laden raw gas from the gasification of a solid carbon-containing fuel A process and system for cooling a dust-laden raw or untreated gas from the gasification of a solid carbon-containing fuel in a pressurized reactor. The gas from the reactor is introduced into a quench pipe that has a cross-sectional area that is smaller ... | 09/08/1998 |
| 5776212 | Catalytic gasification system A catalytic gasification 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 system of the... | 07/07/1998 |
| 5634950 | 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 ... | 06/03/1997 |
| 5624469 | Method and apparatus for recovering heat from solid material separated from gasification or combustion processes Heat is recovered from the hot solids discharged from the combustion chamber of a fluidized bed reactor. Hot solid particles as a result of combustion are removed either in the form of ash, or particles separated from a gas stream, and are passed into ind... | 04/29/1997 |
| 5543117 | System and method for heating and gasification of residual waste liquor A system for providing heated fluidized bed gasification of a residual waste liquor provides a bed of granular material and a source of liquor provided to the material bed. An injector is situated in the material bed and communicates with an air source, a... | 08/06/1996 |
| 5346515 | Fluidized bed gas generator for allothermic gasification of coal Apparatus is disclosed for the allothermic gasification of coal with steam. The gasifier is vertically arranged with heat exchange tubes in separate gasification and pyrolysis zones so that a heat exchange medium is used in both zones.... | 09/13/1994 |
| 5290327 | Device and allothermic process for producing a burnable gas from refuse or from refuse together with coal A method for generating, from refuse or refuse in combination with coal, a fuel gas suited for public utility purposes wherein refuse and coal can be introduced into the process in any proportion one to the other. The method provides the steps of subjecti... | 03/01/1994 |
| 5064444 | Process for the allothermic gasification of coal A process is disclosed for allothermic gasification of coal under pressure with water vapor in a gas generator containing heat-exchange tubes for a heat transfer medium. The hot heat transfer medium that enters the gas generator by the heat-exchange tubes... | 11/12/1991 |
| 5059404 | Indirectly heated thermochemical reactor apparatus and processes Resonant tubes of a pulse combustor are immersed in a bed of solid particles in a reaction zone to provide indirect heat from the pulsating combustion gases to the solid particles of the bed. The bed is maintained in an agitated state by a gas or vapor fl... | 10/22/1991 |
| 4756722 | Device for gasifying coal Part of the synthesis gas produced by coal gasification in an allothermically heated fluidized bed reactor is burned after removal of dust and sulfur and serves as a source of energy to heat the reactor by indirect heat exchange and to produce the steam r... | 07/12/1988 |
| 4710202 | Apparatus for gasifying pulverized coal An apparatus for gasifying pulverized coal, the apparatus comprising a housing with a granulated slag discharge opening in a bottom of the housing, and a producer gas outlet opening in a lower part of the housing; a layer of thermal insulation lining the ... | 12/01/1987 |
| 4707163 | Gasification of coal dust An apparatus for gasifying coal dust has a housing provided with an output fitting for the removal of generator gas and an output fitting for the removal of granulated slag. An overflow maintains a body of liquid in the bottom of the housing and a coal-du... | 11/17/1987 |
| 4704135 | Apparatus for the conversion of coal to gas, liquid and solid products An apparatus is provided for converting coal to gas, liquid and solid products. The coal is subjected to a pyrolysis reaction at a temperature of at least about 260° C. in the presence of a hydrogen-containing gas, and the resultant solid residue subject... | 11/03/1987 |
| 4643739 | Fuel distributor in a reactor for gasifying solid granular fuels The reactor for the gasification of the fuel in a fixed bed comprises a rotary distributor, which is disposed over the fixed bed and includes at least one outlet structure for the fuel. The outlet structure consists of a tube, which is formed at its lower... | 02/17/1987 |
| 4608058 | Steam supply system for superposed turine and process chamber, such as coal gasification A steam supply system is provided for use in conjunction with both a superposed turbine driven by a steam boiler and a process chamber. The steam boiler operates at a pressure above that needed for consumption in the process chamber and uses highly purifi... | 08/26/1986 |
| 4597771 | Fluidized bed reactor system for integrated gasification An integrated gasifying apparatus for solid municipal waste, sewage sludge and coal utilizes a fluidized-bed gasifier from which the char enters a low-temperature fluid bed combustor and then a high-temperature fluid bed combuster. CaO is admitted to the ... | 07/01/1986 |
| 4571249 | Apparatus for the conversion of coal to gas, liquid and solid products An apparatus is provided for converting coal to gas, liquid and solid products, which comprises a single vessel including a pyrolysis chamber (20) disposed in the upper part of the vessel, and a gasification chamber (29) disposed beneath the pyrolysis cha... | 02/18/1986 |
| 4566880 | Reactor for coal gasification Disclosed is a reactor for gasifying coal including a vortex burner. Helical ribs are arranged in the inner combustion gas supplying conduit of the burner to impart a spiral trajectory to the gas and also the coal-water suspension which suspension is supp... | 01/28/1986 |
| 4490157 | Indirectly heated fluidized bed gasifier A fluidized bed gasifier (10) for gasifying a first fuel (50) receives heat indirectly from a combusting fluidized bed (24) disposed at least partially within the gasifier fluidized bed (12). Fuel for the combusting bed (24) may be provided by removing a ... | 12/25/1984 |
| 4482359 | Fluizided bed method and apparatus for producing a combustible gas A combustible gas producer plant is described in which a finely divided inert particulate material fluidized bed is divided into a first, combustible-gas producing section and a second, heating section, to both of which sections fuel is fed. Heat transfer... | 11/13/1984 |
| 4459133 | Apparatus for converting a fuel to combustible gas A sulfur-containing fuel is passed into a first fluidized bed (13) containing CaSO4 and CaO and an oxygen-transfer mediator (e.g. H2) whereby the fuel is converted to combustible gas (18), some CaSO4 being reduced to CaS a... | 07/10/1984 |
| 4455153 | Apparatus for storing solar energy in synthetic fuels Processes and apparatus for storing solar energy in synthetic fuels are disclosed. The disclosed processes include the steps of introducing steam and carbonaceous material such as coal, lignite, peat, solid organic wastes, or heavy oils into a molten gasi... | 06/19/1984 |
| 4405340 | Process and apparatus for charging solid fuels into a fixed-bed gasifier The apparatus serves to continuously charge coarse-grained and fine-grained solid fuels by means of a rotary distributor onto a fixed bed of fuel. The fixed bed is disposed within a reactor for gasifying the fuels. Gasifying agents comprising oxygen, stea... | 09/20/1983 |
| 4377394 | Apparatus for the production of cleaned and cooled synthesis gas An apparatus in which a downflowing high pressure stream of hot raw synthesis gas from the reaction zone of a free flow partial oxidation gas generator at a temperature in the range of about 1800° to 3000° F. is passed through a first gas diversion and ... | 03/22/1983 |
| 4352675 | Coal gasification reactor Disclosed is a reactor for gasifying coal including a vortex burner. Helical ribs are arranged in the inner combustion gas supplying conduit of the burner to impart a spiral trajectory to the gas and also the coal-water suspension which suspension is supp... | 10/05/1982 |
| 4341530 | Slurry atomizer for a coal-feeder and dryer used to provide coal at gasifier pressure The present invention is directed to a coal-water slurry atomizer for use a high-pressure dryer employed in a pumping system utilized to feed coal into a pressurized coal gasifier. The slurry atomizer is provided with a venturi, constant area slurry inje... | 07/27/1982 |
| 4328007 | Apparatus for gasification of fine-grain coal An arrangement for pressure gasification of fine-grain coal in which the exit of a reactor is followed by a waste heat boiler for cooling the generated gas. The waste heat boiler has a radiation section and downstream heat exchanger surfaces. The reactor ... | 05/04/1982 |
