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| Number | Title | Issue Date |
| 5961673 | Process and apparatus for producing fuel gas The invention concerns a process and apparatus for gasifying carbon-containing products, in particular waste and residues conditioned or processed in a suitable way. Gasification takes place in a mixed flow composed of a counter flow, direct flow and tran... | 10/05/1999 |
| 5961928 | Gas generating system and method A system for generating a desired output gas from an input fuel for use in a downstream process is disclosed. The system includes a plurality of fuel processing units to generate the desired output gas, wherein each of the plurality of fuel processing uni... | 10/05/1999 |
| 5943859 | Natural gas reforming apparatus, oxygen eliminating apparatus provided in the same apparatus, and natural gas reforming apparatus-carrying gas engine This invention provides a gas engine in which a natural gas reforming apparatus for thermally decomposing CH4 in a natural gas into a reformed fuel of CO and H2 is used to improve the thermal efficiency, CO2 in an exhaust ... | 08/31/1999 |
| 5922090 | Method and apparatus for treating wastes by gasification A method and apparatus for treating wastes by gasification recovers useful resources including energy, valuables such as metals, and gases for use as synthesis gas for chemical industries or fuel. The wastes are gasified in a fluidized-bed reactor at a re... | 07/13/1999 |
| 5912198 | Staged catalytic ammonia decomposition in integrated gasification combined cycle systems The ammonia content of fuel gas in an IGCC power generation system is reduced through ammonia decomposition, thereby reducing the NOx emissions from the plant. The power generation system includes a gasifier, a gas turbine and at least one cata... | 06/15/1999 |
| 5900031 | Electrochemical hydrogen compressor with electrochemical autothermal reformer A hydrogen production plant includes an electrochemical autothermal reformer (EATR) that provides hydrogen to an electrochemical hydrogen compressor. The EATR includes an autothermal reformer region, a mixed ion conductor, and an anode supply region. The ... | 05/04/1999 |
| 5900224 | Method for treating wastes by gasification A method and apparatus for treating wastes by gasification recovers metals or ash content in the wastes in such a state that they can be recycled, and gases containing carbon monoxide (CO) and hydrogen (H2) for use as synthesis gas of ammonia (... | 05/04/1999 |
| 5876469 | Method of heat transfer in reformer A reformed gas composed mainly of hydrogen and carbon monoxide to be used for a fuel cell is produced by using a multi-tubular reformer provided with bayonet type double-wall catalyst tubes and feeding hydrocarbon gas such as natural gas and steam to the ... | 03/02/1999 |
| 5868805 | Process for integrated evaporation and gasification of spent liquor from cellulose cooking The invention relates to a process for integrated evaporation and gasification of spent liquor from the production of cellulose, the gasification taking place in a reactor (1) at a pressure of from atmospheric pressure up to about 150 bar and at a tempera... | 02/09/1999 |
| 5869011 | Fixed-bed catalytic reactor Disclosed are a fixed-bed, catalytic reactor wherein reaction heat can be exchanged against a heat exchange medium circulating indirectly through the catalyst bed, and a catalytic process comprising operation of the reactor. The reactor comprises a cataly... | 02/09/1999 |
| 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 |
| 5846268 | Process for producing liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process A process for producing liquid pig iron or liquid steel preproducts and sponge iron from iron ore. The iron ore in a first reduction zone (4) is directly reduced to sponge iron. The sponge iron in a meltdown gasifying zone (10) is melted under the supply ... | 12/08/1998 |
| 5827336 | Liquefaction and partial oxidation of plastic materials A process for upgrading plastic material containing inorganic filler or reinforcement material for use as feedstock in a partial oxidation gas generator for the production of raw synthesis gas, fuel gas or reducing gas. The plastic material is granulated ... | 10/27/1998 |
| 5824122 | Process and apparatus for purifying flammable gas In a process and an apparatus for purifying flammable gas, in particular low-temperature carbonization gas, the gas is scrubbed and discharged as pure gas and condensate. The condensate is distilled in a distillation unit. Volatile constituents are admixe... | 10/20/1998 |
| 5814112 | Nickel/ruthenium catalyst and method for aqueous phase reactions A method of hydrogenation using a catalyst in the form of a plurality of porous particles wherein each particle is a support having nickel metal catalytic phase or reduced nickel deposited thereon in a first dispersed phase and an additional ruthenium met... | 09/29/1998 |
| 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 |
| 5788724 | Process for the conversion of hydrocarbon materials having a high molecular weight Process for the conversion of a hydrocarbon material having a high molecular weight, in particular petroleum residues or heavy crude oils or reduced crude oils, comprising the following steps: impregnating or mixing the hydrocarbon material with a catalyst; py... | 08/04/1998 |
| 5788723 | Process for the high-temperature gasification of heterogeneous waste A process for the high-temperature gasification of possibly thermally pretreated heterogeneous wastes, in which oxygen is injected into the gasification bed with the aid of water-cooled oxygen lances. The oxygen is heated by an independent pilot flame and... | 08/04/1998 |
| 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 |
| 5772707 | Process and apparatus for methanol reforming Process and apparatus for methanol reforming in producing hydrogen gas for electric vehicle fuel cells in which the gas mixture to be reformed is passed through a catalyst-containing reaction compartment. The active length and/or the active inlet cross-se... | 06/30/1998 |
| 5769909 | Method and apparatus for desulfurizing fuel gas Sulfur and sulfur compounds are removed from a gas stream, such as a hydrocarbon fuel gas stream so as to render the gas stream suitable for use in a fuel cell power plant. Natural gas and recycled hydrogen enters the hydrodesulfurizer assembly at a tempe... | 06/23/1998 |
| 5762659 | Waste processing A process for atomically converting gaseous waste materials into nonhazardous forms and a medium BTU gas is described. The reactor includes molten layers of iron and reactive slag in an upwardly flowing reactor operated under oxygen lean conditions.... | 06/09/1998 |
| 5735934 | Method for delivering a gas-supersaturated fluid to a gas-depleted site and use thereof A method of injecting gas-supersaturated fluids as a bubble-free effluent from a delivery system into a relatively low pressure, gas-depleted environment without cavitation or bubble formation. The method includes the steps of eliminating cavitation nucle... | 04/07/1998 |
| 5720785 | Method of reducing hydrogen cyanide and ammonia in synthesis gas The invention is a method for reducing the hydrogen cyanide and ammonia content of a synthesis gas stream exiting a gasifier including mixing an iron-containing compound with a nitrogen-containing coal feed; gasifying the coal feed in the resulting mixtur... | 02/24/1998 |
| 5711770 | Energy conversion system A closed loop energy conversion apparatus including a dissociation unit for dissociating water into hydrogen gas and oxygen gas and separating hydrogen gas from oxygen gas. An energy source provides energy to the dissociation unit. Oxygen gas and hydrocar... | 01/27/1998 |
| 5711771 | Latent heat-ballasted gasifier A latent heat-ballasted gasifier suitable for converting biomass, coal, or low-quality fuels into a producer gas. Latent heat is stored in the reactor in ballasts containing a metal alloy with a melting point approximate the pyrolysis temperatures of the ... | 01/27/1998 |
| 5702491 | Portable hydrogen generator A hydrogen generator employs substantially adiabatic hydrolysis and thermal decomposition of chemical hydrides to provide a controllable generation of hydrogen from a small, lightweight container. The hydrogen generator includes a thermally isolated conta... | 12/30/1997 |
| 5688296 | Control system for IGCC's A control system particularly suited for effecting control over an integrated gasification combined cycle system (IGCC) that includes at least a fuel feed system, a gasifier system, a product gas cleanup system, a booster compressor and a gas turbine. The... | 11/18/1997 |
| 5683550 | Method and apparatus for increasing recovery boiler capacity by withdrawing combustible gas from the furnace A method and system for treating waste liquors from pulping processes for recovering energy and chemicals from the waste liquors (such as kraft black liquor). A recovery boiler having a furnace for combusting waste liquor includes a plurality of injection... | 11/04/1997 |
| 5676713 | Method of fuel gasification and an apparatus for performing such a method In fuel gasification, particles of, for example, coal and an oxidant are supplied to a reactor, where the coal particles are gasified. The gas thus produced may contain molten slag entrained therein and such slag could subsequently solidify and affect oth... | 10/14/1997 |
| 5672184 | Pulse detonation device for coal gasification A coal gasification system has a pulse detonation device. The pulse detonation device is employed to discharge hot exhaust pulses into the coal gasifier. Also, a pulse detonation device discharges reverse flow pulses into a ceramic candle filter system to... | 09/30/1997 |
| 5658359 | Method of operating a fluidized bed reactor system, and system for cleaning gas cooler In a fluidized bed reactor system having a gas cooler, with cooling surfaces, downstream of a first cyclone separator, the cooling surfaces are cleaned by introducing sufficient concentration of bed particles into the gas during, or just prior to, cooling... | 08/19/1997 |
| 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 |
| 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 |
| 5653916 | Process for the manufacture of synthesis gas by partial oxidation of a gaseous hydrocarbon-containing fuel using a multi-orifice (co-annular) burner A process for the manufacture of synthesis gas by reacting oxygen-containing gas, applied as oxidizer and gaseous hydrocarbon-containing fuel in a reaction zone of a non-catalytic gas generator comprising the steps of injecting the said fuel and the said ... | 08/05/1997 |
| 5651800 | Reformer for fuel cell system A number of embodiments of reformers for reforming fuel for a fuel cell that includes an elongated catalyst bed with fuel to be reformed being delivered at one end of the bed and extracted from the other end of the bed. Heat is applied to a greater extent... | 07/29/1997 |
| 5647877 | Solar energy gasification of solid carbonaceous material in liquid dispersion Use of solar energy for the production of synthesis gas from carbonaceous material. An aqueous dispersion of carbonaceous material is injected into a reactor in the form of a shower or a jet of droplets, and the droplets are allowed to sink inside the rea... | 07/15/1997 |
| 5647876 | Method of removing volatile metals from slag using an acid wash A method is disclosed for recovering condensed solidified volatile metals from the slag that exits the reactor section of a partial oxidation reactor. In a partial oxidation reactor, condensed solidified volatile metals become adsorbed to the surface of t... | 07/15/1997 |
