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1987 results about "Syngas" patented technology

Syngas, or synthesis gas, is a fuel gas mixture consisting primarily of hydrogen, carbon monoxide, and very often some carbon dioxide. The name comes from its use as intermediates in creating synthetic natural gas (SNG) and for producing ammonia or methanol. Syngas is usually a product of coal gasification and the main application is electricity generation. Syngas is combustible and can be used as a fuel of internal combustion engines. Historically, syngas has been used as a replacement for gasoline, when gasoline supply has been limited; for example, wood gas was used to power cars in Europe during WWII (in Germany alone half a million cars were built or rebuilt to run on wood gas). Syngas, however, has less than half the energy density of natural gas.

Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions

The process and system of the invention converts carbonaceous feedstock such as coal, hydrocarbon oil, natural gas, petroleum coke, oil shale, carbonaceous-containing waste oil, carbonaceous-containing medical waste, carbonaceous-containing military waste, carbonaceous-containing industrial waste, carbonaceous-containing medical waste, carbonaceous-containing sewage sludge and municipal solid waste, carbonaceous-containing agricultural waste, carbonaceous-containing biomass, biological and biochemical waste, and mixtures thereof into electrical energy without the production of unwanted greenhouse emissions. The process and system uses a combination of a gasifier, e.g., a kiln, operating in the exit range of at least 700° to about 1600° C. (1300-2900° F.) to convert the carbonaceous feedstock and a greenhouse gas stream into a synthesis gas comprising mostly carbon monoxide and hydrogen without the need for expensive catalysts and or high pressure operations. One portion of the synthesis gas from the gasifier becomes electrochemically oxidized in an electricity-producing fuel cell into an exit gas comprising carbon dioxide and water. The latter is recycled back to the gasifier after a portion of water is condensed out. The second portion of the synthesis gas from the gasifier is converted into useful hydrocarbon products.
Owner:RAVEN SR INC

Novel sorbents and purification and bulk separation of gas streams

InactiveUS20080264254A1Large capacityLittle and no corrosive effectNitrous oxide captureGas treatmentSorbentDesorption
Porous-material-supported polymer sorbents and process for removal of undesirable gases such as H2S, COS, CO2, N2O, NO, NO2, SO2, SO3, HCl, HF, HCN, NH3, H2O, C2H5OH, CH3OH, HCHO, CHCl3, CH2Cl2, CH3Cl, CS2, C4H4S, CH3SH, and CH3—S—CH3 from various gas streams such as natural gas, coal/biomass gasification gas, biogas, landfill gas, coal mine gas, ammonia syngas, H2 and oxo-syngas, Fe ore reduction gas, reformate gas, refinery process gases, indoor air, fuel cell anode fuel gas and cathode air are disclosed. The sorbents have numerous advantages such as high breakthrough capacity, high sorption/desorption rates, little or no corrosive effect and are easily regenerated. The sorbents may be prepared by loading H2S—, COS—, CO2—, N2O, NO—, NO2—, SO2—, SO3—, HCl—, HF—, HCN—, NH3—, H2O—, C2H5OH—, CH3OH—, HCHO—, CHCl3—, CH2Cl2—, CH3Cl—, CS2—, C4H4S—, CH3SH—, CH3—S—CH3-philic polymer(s) or mixtures thereof, as well as any one or more of H2S—, COS—, CO2—, N2O, NO—, NO2—, SO2—, SO3—, HCl—, HF—, HCN—, NH3—, H2O—, C2H5OH—, CH3OH—, HCHO—, CHCl3—, CH2Cl2—, CH3Cl—, CS2—, C4H4S—, CH3SH—, CH3—S—CH3-philic compound(s) or mixtures thereof on to porous materials such as mesoporous, microporous or macroporous materials. The sorbents may be employed in processes such as one-stage and multi-stage processes to remove and recover H2S, COS, CO2, N2O, NO, NO2, SO2, SO3, HCl, HF, HCN, NH3, H2O, C2H5OH, CH3OH, HCHO, CHCl3, CH2Cl2, CH3Cl, CS2, C4H4S, CH3SH and CH3—S—CH3 from gas streams by use of, such as, fixed-bed sorbers, fluidized-bed sorbers, moving-bed sorbers, and rotating-bed sorbers.
Owner:PENN STATE RES FOUND +1
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