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| Number | Title | Issue Date |
| 8092559 | Generation of hydrogen from hydrocarbon bearing materials Disclosed are strategies for the economical microbial generation of hydrogen, useful as an alternative energy source, from hydrocarbon-rich deposits such as coal, oil and/or gas formations, oil shale, bitumen, tar sands, carbonaceous shale, peat deposits and sedimen... | 01/10/2012 |
| 7931711 | Methods for supercritical water reformation of fuels and generation of hydrogen using supercritical water Methods for using supercritical water to convert hydrocarbons, particularly hydrocarbon fuels such as diesel fuel, jet fuel, or gasoline, into carbonaceous gases and hydrogen. The synthesis gas stream generated by the fuel reforming reaction can then be further refi... | 04/26/2011 |
| 7670393 | Catalytic reactor A method for causing chemical reactions between fluids, comprising the steps of arranging a plurality of metal sheets for providing first fluid flow channels adjacent to and in heat transfer contact with second fluid flow channels between adjacent ones of the metal ... | 03/02/2010 |
| 7465324 | Process for obtaining a heating fluid as indirect heat source for carrying out reforming reactions A process for obtaining a heating fluid as indirect heat source for carrying out endothermic reactions, includes the steps of feeding a flow comprising hydrocarbons and a gas flow comprising oxygen to a combustor wherein such flows are suitably compressed. The hydro... | 12/16/2008 |
| 7438877 | Fast, high capacity hydrogen sulfide scavengers Selective, irreversible removal of hydrogen sulfide (H2S) and other sulfhydryl compounds from a gas stream, such as sour natural gas and sour hydrocarbon liquids is achieved with a scavenging agent having hydroxyalkyl functionality and alkylamine function... | 10/21/2008 |
| 7425314 | Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams A process for the removal of hydrogen sulfide and mercaptans from a gas stream containing a high ratio of mercaptans to hydrogen sulfide, wherein the first step removes hydrogen sulfide by washing the gas stream with an aqueous washing solution comprising water, a p... | 09/16/2008 |
| RE40419 | Production of synthetic transportation fuels from carbonaceous material using self-sustained hydro-gasification A process and apparatus for producing a synthesis gas for use as a gaseous fuel or as feed into a Fischer-Tropsch reactor to produce a liquid fuel in a substantially self-sustaining process. A slurry of particles of carbonaceous material in water, and hydrogen from ... | 07/01/2008 |
| 7374742 | Direct sulfur recovery system The present invention provides a method for removing sulfur species from a gas stream without the use of a sulfur species removal process, such as an amine scrub. The sulfur species are removed by directly subjecting the gas stream to a sulfur recovery process, such... | 05/20/2008 |
| 7374734 | Absorbing agent and method for eliminating acid gases from fluids The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent ma... | 05/20/2008 |
| 7341610 | Fuel cell system having two reformation reactors and method for operating same A fuel cell system includes a fuel cell unit and a gas-generating system containing at least one reforming unit for obtaining a hydrogen-rich reformate from a fuel. It is possible to supply the reformate at least partly to the anode side of the fuel cell unit. The s... | 03/11/2008 |
| 7335320 | Method for the production of hydrogen-containing gaseous mixtures A method for the production of a hydrogen-containing gas composition, such as a synthesis gas including hydrogen and carbon monoxide. The molar ratio of hydrogen to carbon monoxide (H2:CO) in the synthesis gas can be well-controlled to yield a ratio that ... | 02/26/2008 |
| 7300635 | Catalytic reactor A catalytic reactor comprises a plurality of fluid-impermeable plates defining flow channels between them. Tight fitting within each flow channel is a sheet of corrugated material whose surfaces are coated with catalytic material. At each end of the flow channels ar... | 11/27/2007 |
| 7285144 | Fluidized-bed gasification and combustion furnace A gasification furnace and a combustion furnace are integrated with each other to form a single fluidized-bed gasification and combustion furnace in which unburned char generated in the gasification furnace is combusted in the combustion furnace, and the thus genera... | 10/23/2007 |
| 7235218 | Catalytic reactors A compact catalytic reactor comprises a stack of plates (72, 74, 75) to define a multiplicity of first and second flow channels arranged alternately in the stack; each flow channel in which a chemical reaction is to take place is defined by straight-through c... | 06/26/2007 |
| 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 |
| 7223373 | Catalytic reactor A catalytic reactor comprises a plurality of sheets defining flow channels between then. Within each flow channel is a foil of corrugated material whose surfaces are coated with catalytic material. The flow channels extend in transverse dire options, but the foils a... | 05/29/2007 |
| 7208530 | Production of synthetic transportation fuels from carbonaceous material using self-sustained hydro-gasification A process and apparatus for producing a synthesis gas for use as a gaseous fuel or as feed into a Fischer-Tropsch reactor to produce a liquid fuel in a substantially self-sustaining process. A slurry of particles of carbonaceous material in water, and hydrogen from ... | 04/24/2007 |
| 7201883 | Catalytic reactor A catalytic reactor comprises a plurality of sheets defining flow channels between them. Within each flow channel is a foil of corrugated material whose surfaces are coated with catalytic material. Flow channels for a first gas extend in oblique directions relative ... | 04/10/2007 |
| 7192565 | Method of collecting mercaptans contained in a gaseous feed The gaseous feed flowing in through line 1 is contacted in contacting zone ZA with a liquid solvent flowing in through line 2. The solvent comprises between 0.001% and 100% by weight of a liquid olefin. Contacting in zone ZA is carried out in the prese... | 03/20/2007 |
| 7189271 | Catalytic reactor A catalytic reactor comprises a plurality of thin tray-like metal sheets each with a peripheral rim and arranged as a stack to define first gas flow channels between adjacent sheets, alternating with second gas flow channels between adjacent sheets, so as to ensure ... | 03/13/2007 |
| 7186388 | Catalytic reactor A catalytic reactor comprises a stack of sheets defining flow channels between them. Within each flow channel is a flexible wire structure whose surfaces are coated with catalytic material. Flow channels for a first gas extend along S-shaped curved paths whereas the... | 03/06/2007 |
| 7048772 | Secondary reforming process and burner A process for carrying out secondary reforming reactions for the production of synthesis gas wherein a gas flow comprising oxygen and a gas flow comprising hydrocarbons are fed into a combustion chamber and are reacted upon mixing, thus obtaining a gas flow comprisi... | 05/23/2006 |
| 7033552 | Upgrading Fischer-Tropsch and petroleum-derived naphthas and distillates A process for upgrading at least one of a Fischer-Tropsch naphtha and a Fischer-Tropsch distillate to produce at least one of a gasoline component, a distillate fuel or a lube base feedstock component. The process includes reforming a Fischer-Tropsch naphtha to prod... | 04/25/2006 |
| 6973968 | Method of natural gas production A method and system for dissociating methane hydrate deposits in-situ is provided wherein an oxidizer fluid and a supply of fuel, both at a pressure higher than that of the methane hydrate deposit, are supplied and delivered to the methane hydrate deposit. The fuel ... | 12/13/2005 |
| 6858049 | Method for utilizing gas reserves with low methane concentrations for fueling gas turbines The invention is directed to a method of fueling gas turbines from natural gas reserves with relatively low methane concentrations. The invention permits the use of such reserves to be used to fuel gas turbines to generate electric power. The method of the invention... | 02/22/2005 |
| 6663681 | Method for the production of hydrogen and applications thereof A method for the production of hydrogen gas. The hydrogen gas is formed by steam reduction using a metal/metal oxide couple to remove oxygen from water. Steam is contacted with a molten metal mixture including a first reactive metal such as iron dissolved... | 12/16/2003 |
| 6585784 | Method for utilizing gas reserves with low methane concentrations for fueling gas turbines The invention is directed to a method of fueling gas turbines from natural gas reserves with relatively low methane concentrations. The invention permits the use of such reserves to be used to fuel gas turbines to generate electric power. The method of th... | 07/01/2003 |
| 6571604 | Method and device for evaluating during drilling the capacity of well fluids to form hydrates Method of determining the gas hydrate formation conditions in a well fluid, comprising the following stages: taking a fluid sample, placing this sample in a calorimetry cell, performing on this sample a reference thermogram in a temperature range between T1 an... | 06/03/2003 |
| 6495112 | Method and apparatus for removing oxygen from natural gas Oxygen is removed from natural gas by contacting oxygen-containing natural gas with nitric oxide under conditions sufficient to produce nitrogen dioxide.... | 12/17/2002 |
| 6475451 | Mercury removal from gaseous process streams A process for removing mercury from a gaseous process stream. The process involves contacting a mercury-containing gaseous process stream with a regenerable mercury scavenger solution to form a treated stream having a reduced mercury content as compared t... | 11/05/2002 |
| 6432375 | Method for removing hydrogen sulfide from gas streams The invention disclosed relates to a process for removing hydrogen sulfide from a gas stream, such as sour natural gas, with the formation of elemental sulfur as a by-product. By controlling the reaction conditions, the conversion of hydrogen sulfide is m... | 08/13/2002 |
| 6419888 | In-situ removal of carbon dioxide from natural gas A process is provided for the in-situ removal of carbon dioxide out of natural gas by diverting a stream of the natural gas to a hydrocarbon reformation unit, which converts this diverted stream of the natural gas into a hydrogen-containing gas, and feedi... | 07/16/2002 |
| 6277345 | Process for the purification of gases The present invention relates to the use of an absorption liquid for purifying a gas by removal of gaseous, acidic impurities. The gas to be purified can be any gas, such as synthesis gas or natural gas, which contains gaseous, acidic impurities such as C... | 08/21/2001 |
| 6267938 | Scavengers for use in reducing sulfide impurities A method is provided for reducing the amount of hydrogen sulfide and organic sulfides present in streams, such as natural gas streams, by scrubbing the stream with a composition containing (i) an aqueous phase containing a reaction product resulting from ... | 07/31/2001 |
| 6251348 | Process for increasing the reactivity of sulfur compound scavenging agents A process is provided for removing sulfur compounds, such as hydrogen sulfide, sulfur oxides and thiols, out of fluids, such as natural gas or natural gas liquids, by contacting the fluid with a physical mixture of iron oxide, zinc oxide or mixtures there... | 06/26/2001 |
| 6214066 | Synthesis gas production by ion transport membranes Synthesis gas is produced from a methane-containing reactant gas in a mixed conducting membrane reactor in which the reactor is operated to maintain the product gas outlet temperature above the reactant gas feed temperature wherein the total gas pressure ... | 04/10/2001 |
| 6144897 | Control method for processes of synthesis of chemical products A control method for a process of synthesis of at least one chemical product in an equipment comprising at least one reactor (R) which is assimilated to a mixed reactor, in which manipulated variables (GC) allow to act on the course of the process in orde... | 11/07/2000 |
| 6103773 | Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids A gas conversion process comprising synthesis gas production, hydrocarbon synthesis and hydrogen production from the synthesis gas, also includes hydrodesulfurizing sulfur-containing hydrocarbon liquids separated from a mixture of natural gas and the liqu... | 08/15/2000 |
| 6077323 | Synthesis gas production by ion transport membranes Synthesis gas is produced from a methane-containing reactant gas in a mixed conducting membrane reactor in which the reactor is operated to maintain the product gas outlet temperature above the reactant gas feed temperature wherein the total gas pressure ... | 06/20/2000 |
| 5976373 | Removal of hydrogen sulfide from anaerobic digester gas The effluent gas stream from anaerobic waste water treatment digesters is treated to remove trace amounts of hydrogen sulfide and other contaminants. The chemical equation involved relies on the reaction of hydrogen sulfide with oxygen to form water plus ... | 11/02/1999 |
