...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8088188 | Gasification system and process with staged slurry addition A system and process for gasifying carbonaceous feedstock with staged slurry addition in order to prevent the formation of tar that causes deposition problems. Dry solid carbonaceous material is partially combusted, then pyrolyzed along with a first slurry stream co... | 01/03/2012 |
| 7241322 | Pyrolyzing gasification system and method of use The gasifier includes a furnace bed segmented into individual cells, each cell is independently monitored using a ramp temperature probe, and provided with controlled air injection to provide individually controlled burn regions within the gasifier. Gasifier air inj... | 07/10/2007 |
| 7228806 | Biomass gasification system A biomass gasification system for efficiently extracting heat energy from biomass material. The biomass gasification system includes a primary combustion chamber, a rotating grate within the primary combustion chamber for supporting the biomass during gasification, ... | 06/12/2007 |
| 7226566 | Method of producing charcoal, conditioned fuel gas and potassium from biomass The invention provides a process for the production of charcoal, fuel gas, and potassium from a biomass gassifier. ... | 06/05/2007 |
| 7217302 | Process for cooling solid and gaseous material during gasification of spent liquor Process for the recovery of chemicals and energy from spent liquor obtained in the chemical pulping process, in which the spent liquor is gasified under sub-stoichiometric conditions to produce partly one phase of solid and/or fused material, together with partly on... | 05/15/2007 |
| 7108730 | Method for providing controlled heat to a process This invention relates to a method for providing controlled heat to a process utilizing a flameless distributed combustion. The method of the invention comprises providing an oxidation chamber, with an inlet for oxidant, an outlet for combustion products, and a flow... | 09/19/2006 |
| 6960234 | Multi-faceted gasifier and related methods A gasifier is disclosed combining a fixed bed gasification section where coarse fuel is gasified and an entrained flow gasification section where fine fuel is gasified. The fixed bed section includes upper and lower sections. Coarse fuel is devolatilized in the uppe... | 11/01/2005 |
| 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 |
| 6938562 | Apparatus for waste gasification A gasification system that includes a gasification reactor chamber having perforated conduits or an inner lining that increases the exposed surface area of waste materials to gasification conditions, thereby decreasing gasification temperature, time, and cooling per... | 09/06/2005 |
| 6911274 | Fuel cell system A fuel cell system is described which comprises a power source and a fuel storage unit. A flowable fuel is contained with the fuel storage unit. A first flow path delivers fuel from the fuel storage unit to the power source. Some or all of this fuel is deposited int... | 06/28/2005 |
| 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 |
| 6863878 | Method and apparatus for producing synthesis gas from carbonaceous materials A method of producing syn gas from biomass or other carbonaceous material utilizes a controlled devolatilization reaction in which the temperature of the feed material is maintained at less than 450° F. until most available oxygen is consumed. This minimizes pyroly... | 03/08/2005 |
| 6808543 | Biomass gasification system and method An improved system and method is provided for operating a parallel entrainment fluidized bed gasifier system. A first aspect of the present invention relates to a method for reducing ash agglomeration in a parallel entrainment fluidized bed gasifier/combustor system... | 10/26/2004 |
| 6647903 | Method and apparatus for generating and utilizing combustible gas Apparatus and method for generating fuel gas and optionally, activated carbon gasification from biomass fuel.... | 11/18/2003 |
| 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 |
| 6251148 | Process for producing synthetic gasses A process for producing a synthetic and/or fuel gas from an organic containing material by utilizing a thermal pretreatment operation and a gasification reactor. The organic containing material is passed through a thermal pre-treatment operation to produc... | 06/26/2001 |
| 6138615 | Device for improving the combustion of a fuel A device improving the combustion of a fuel by a gaseous oxidant includes a fuel intake, an oxidant intake and apparatus for keeping naphthalene in solid form in the gaseous oxidant intake to load it with naphthalene vapors as it flows towards the combust... | 10/31/2000 |
| 6120567 | Method of gasifying solid organic materials A heating system for producing heat by the gasification of solid, organic biomass materials. A mass of such materials is maintained on a grate in a primary oxidation chamber of the catalytic type, and materials in such mass are gradually heated in a defic... | 09/19/2000 |
| 5984986 | Process for operating a system for the water vapor reforming of methanol The invention provides a process for operating a system for water vapor reforming of methanol in which, in a mixture preparation step, a water vapor/methanol mixture is prepared from water and methanol and is introduced into a reforming reactor. According... | 11/16/1999 |
| 5984987 | Black liquor gasification process Aqueous black liquor is gasified in a molten salt by spraying the black liquor into an enclosed zone above the surface of a turbulent molten salt pool. The black liquor is dried by means of hot gases rising from the surface of the pool and the resulting s... | 11/16/1999 |
| 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 |
| 5695532 | Integrated carbonaceous fuel drying and gasification process and apparatus This invention provides a process and apparatus for gasifying a particulate solid carbonaceous fuel with a high moisture content, the process comprising: introducing the fuel into one or more pressurized drying vessels without adding water to the fuel; re... | 12/09/1997 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5632858 | Method for gasifying cellulosic waste liquor using an injector located within the bed of fluidized material 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... | 05/27/1997 |
| 5622534 | High performance, multi-stage, pressurized, airblown, entrained flow coal gasifier system A high performance, multi-stage, pressurized, airblown, entrained flow coal gasifier system and a method of operating such a gasifier system for generating therewithin fuel gas from coal. The subject gasifier system includes an outer, pressure containing ... | 04/22/1997 |
| 5620488 | Method of fluidized-bed gasification and melt combustion A combustion method and apparatus in which combustible matter, e.g., waste matter, coal, etc., is gasified to produce a combustible gas containing a sufficiently large amount of combustible component to melt ash by its own heat. A fluidized-bed furnace ha... | 04/15/1997 |
| 5620487 | High performance, multi-stage, pressurized, airblown, entrained flow coal gasifier system A high performance, multi-stage, pressurized, airblown, entrained flow coal gasifier system and a method of operating such a gasifier system for generating therewithin fuel gas from coal. The subject gasifier system includes an outer, pressure containing ... | 04/15/1997 |
| 5618321 | Pyrolysis gasifier with inner sleeve member A pyrolysis gasifier includes a first auger (26) which moves carbon from a carbon collection tank (24) through an air lock valve (30) to a carbon holding tank (28). The gasifier includes an inner cylindrical sleeve (80) which is configured such that there... | 04/08/1997 |
| 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 |
| 5573559 | Method for municipal waste gasification Apparatus and method for gasification of waste are disclosed. Waste material is fed to the top of a first combustion chamber, and a burning, rotating annular column of waste is supported in the combustion chamber. Combustion air is introduced to the first... | 11/12/1996 |
| 5571294 | Gas conditioner apparatus Disclosed is a gas conditioner and a method for treating crude, relatively impure gases produced from a gasification process to yield a relatively clean, tar-free producer gas having an energy value of about 1200 to 1500 Kcal/m3. The gas condit... | 11/05/1996 |
| 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 |
| 5389117 | Cross flow char fuel gas producers Reacted gas manifolds and reactant gas manifolds are added to the char fuel reaction chamber of a char fuel gas producer in order to create a flow of gas across the direction of motion of the solid char fuel. The char fuel volatile matter can then be mixe... | 02/14/1995 |
| 5284550 | Black liquier gasification process operating at low pressures using a circulating fluidized bed A black liquor gasification system intended for use as a replacement for a Tomlinson cycle, Chemical Recovery Unit, and which operates at a temperature below the ash melting temperature thereby removing the potential for smelt-water reactions and explosio... | 02/08/1994 |
| 5266086 | Intermittently-fed high-pressure gasifier process An improved gasifier adapted for gasifying a predetermined charge of non-gaseous fuel into fuel gas. Each charge of non-gaseous fuel, which may have optional conditioning materials added to it, is intermittently fed to a gasifier chamber where each charge... | 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 |