Class 48/214A - Catalytic processes

Subclass of Class 48 - Gas: heating and illuminating
No. of patents: 112
Last issue date: 08/31/2010

Number	Title	Issue Date
7785380	Method for removing sulfur from a hydrocarbon fuel Method and apparatus for removing sulfur from a hydrocarbon fuel. The apparatus includes a combustion reactor (3) and a sulfur trap (4) and the combustion reactor (3) is adapted to operate with an air-to-fuel ratio below 1 and in the presence of...	08/31/2010
7361199	Combined water gas shift reactor/carbon dioxide adsorber for use in a fuel cell system An apparatus removes CO from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies. Both a catalyst adapted to perform a water gas shift reaction, and a carbon dioxide adsorbent are dispos...	04/22/2008
7335346	Catalyst and method of steam reforming The present invention provides a method of steam reforming a hydrocarbon over a catalyst at short residence times or short contact times. The present invention also provides spinel-containing catalysts. Surprisingly superior results and properties obtained in method...	02/26/2008
7267699	Fuel processing system for reforming hydrocarbon fuel A fuel processing system including a filter for reforming a hydrocarbon fuel and its operation is disclosed. The system includes a first chamber for receiving a hydrocarbon fuel and combining it with air or water; a reformer in fluid connection with and down stream ...	09/11/2007
7232532	Catalytic partial oxidation process using a catalyst system having an upstream and a downstream part The invention relates to a process for the catalytic partial oxidation of a hydrocarbonaceous feedstock, wherein a feed mixture having the hydrocarbonaceous feedstock and a molecular-oxygen containing gas is contacted with a catalyst system having an upstream part a...	06/19/2007
7223354	Promoted nickel-magnesium oxide catalysts and process for producing synthesis gas A process and catalyst are disclosed for the catalytic partial oxidation of light hydrocarbons to produce synthesis gas at superatmospheric pressures. A preferred catalyst used in the process includes a nickel-magnesium oxide solid solution and at least one promoter...	05/29/2007
7201783	Fuel processing system and improved feedstock therefor An improved feedstock for fuel processing systems, and fuel processing systems incorporating the same. The fuel processing system includes a fuel processor adapted to produce a product hydrogen stream from a carbon-containing feedstock. The fuel processing system ma...	04/10/2007
7189371	Fuel reforming system The invention presents a fuel reforming technique for a mobile fuel cell system capable of obtaining a reformed gas composition usable in fuel cell 200 even if vapor temperature supplied from an evaporator 102 into a fuel reformer 107 varies sig...	03/13/2007
7172638	Staged air autothermal reformer for improved startup and operation An autothermal reformer according to the principles of the present invention comprises a first stage that selectively receives a fuel flow, a first oxidant flow, and a steam flow. The first stage has a first portion of a catalyst bed. The fluids within the first sta...	02/06/2007
7166139	Compact steam reformer A reformer which enables rapid load changes of up to 100% within a few seconds and is intended to produce hydrogen from hydrocarbons by steam reformation, comprises an evaporator cooler for cooling the reformate and for generating steam. The evaporator cooler is dis...	01/23/2007
7160343	Systems and methods for carbon monoxide clean-up A fuel cell system comprises a fuel cell stack and a carbon monoxide clean-up system in communication with the fuel cell stack. The carbon monoxide cleanup system comprises a first water gas shift reactor, a first hydride heat exchanger, and a second water gas shift...	01/09/2007
7160342	Fuel reformer system A method of main reformer startup is disclosed. The method comprises introducing a first supply of fuel and a first supply of air into a micro-reformer. The first supply of fuel is increased to produce a heated reformate in the micro-reformer. The heated reformate i...	01/09/2007
7128769	Methanol steam reforming catalysts, steam reformers, and fuel cell systems incorporating the same Methanol steam reforming catalysts, and steam reformers and fuel cell systems incorporating the same. In some embodiments, the methanol steam reforming catalyst includes zinc oxide as an active component. In some embodiments, the methanol steam reforming catalyst fu...	10/31/2006
7108804	Supported nickel catalyst for synthesis gas preparation In one aspect, the invention provides a catalyst for the production of synthesis gas, the catalyst comprising a) from about 0.1 to about 1.3% by weight of nickel that is supported on modified support, and b) a promoting agent. The catalyst can also comprise a disper...	09/19/2006
7070633	Fuel gas generating apparatus for a fuel cell The present invention improves the start-up characteristics of a fuel gas generating apparatus for a fuel cell comprising a reformer. In a fuel gas generating apparatus 1 for a fuel cell comprising a vaporizer 22 that generates a fuel vapor by vaporizi...	07/04/2006
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
7037349	Method and apparatus for fuel/air preparation in a fuel cell A fast start-up catalytic reformer for producing hydrogen-rich reformate from hydrocarbon fuel includes a reactor having an inlet for receiving a flow of fuel and a flow of air, a reforming catalyst disposed within a reforming chamber in the reactor, and an outlet f...	05/02/2006
7018436	Catalytic reactor with tangential flow distribution A reactor with a catalyst bed having a central longitudinal axis, which catalyst bed has an upstream surface perpendicular to the central longitudinal axis, and a distribution chamber for directing a gaseous mixture of reactants to the upstream surface of the cataly...	03/28/2006
6953488	Preparing synthesis gas using hydrotalcite-derived nickel catalysts There is provided a process for preparation of synthesis gas from feedstocks containing methane and/or higher hydrocarbons having from about 2 to about 12 carbon atoms by an initial catalytic treatment of feedstock to provide a methane-containing gaseous mixture sub...	10/11/2005
6936567	Fuel reformer and manufacturing method of the same The present invention concerns a fuel reformer for reforming a hydrocarbon base fuel in to a hydrogen rich gas and a manufacturing method thereof, and the fuel reformer of the present invention wherein a Cr oxide layer is formed on at least a part of the surface of ...	08/30/2005
6929785	Method and apparatus for preheating of a fuel cell micro-reformer An apparatus and method for a preheated micro-reformer system is disclosed comprising a reformer and a micro-reformer in fluid communication with the reformer. The micro-reformer being electrically preheatable. An apparatus comprising a micro-reformer including a fi...	08/16/2005
6811578	Fuel reforming apparatus and method of controlling same In a fuel reforming apparatus having a reformer for reforming a raw fuel containing a hydrocarbon-containing compound so as to produce a hydrogen-rich fuel gas for use in a fuel cell, a carbon removal process for removing carbon deposited on a reforming catalyst con...	11/02/2004
6790247	Compact fuel processor An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of reaction zones arranged in an insulated, box-shaped, compact fuel processor. The multi-step process includes preheatin...	09/14/2004
6669744	Process and apparatus for the production of synthesis gas A process for the production of synthesis gas from a hydrocarbon fuel and steam and/or oxygen gas wherein at least part of any steam requirement is provided by heat exchange against exhaust gas from a gas turbine driving an air separation unit supplying a...	12/30/2003
5685890	Process for steam reforming of hydrocarbons A process for steam reforming of hydrocarbons which comprises subjecting a hydrocarbon to steam reforming after desulfurizing the hydrocarbon to a sulfur content of 5 ppb or less. According to the process, a poisoning of steam reforming catalyst by sulfur ...	11/11/1997
5653774	Method for preparing synthesis gas using nickel catalysts A method and nickel-containing catalyst are disclosed for preparing synthesis gas by the reforming of a hydrocarbyl compound using an oxygen-containing compound....	08/05/1997
5591238	Method for preparing synthesis gas using nickel catalysts A method and nickel-containing catalyst are disclosed for preparing synthesis gas by the reforming of a hydrocarbyl compound using an oxygen-containing compound....	01/07/1997
5356845	Process for the reactivation of nickel-alumina catalysts A process for the reactivation, or rejuvenation of a nickel-alumina catalyst employed in the production of a gas comprised of an admixture of hydrogen and carbon monoxide, or synthesis gas, by the conversion, in a reactor, or reaction zone, of light hydro...	10/18/1994
5306481	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...	04/26/1994
5164163	Hydrocarbon reforming apparatus A hydrocarbon reforming apparatus having a furnace casing, a combustion gas passage formed in the furnace casing, a cylindrical reactor which is made up of multi-layered passages arranged concentrically around the combustion gas passage, with the multilay...	11/17/1992
5002481	Apparatus for generating a combustible gaseous mixture Production of oxides of nitrogen during combustion of liquid fuel can be reduced by burning at relatively low temperatures of about 1400° C., by first producing a special combustible gaseous mixture of superheated steam, fuel vapor, and combustion air. W...	03/26/1991
4999133	Process for the production of synthesis gas A process starting from a hydrocarbon feedstock, and aiming to produce a synthesis gas suitable either for methanol synthesis or for other applications requiring a low H2 /CO ratio. In this process, the feedstock, supposed to be desulfurized, is div...	03/12/1991
4888130	Process for the production of synthesis gas A process starting from a hydrocarbon feedstock, and aiming to produce a synthesis gas suitable either for methanol synthesis or for other applications requiring a low H2 /CO ratio. In this process, the feedstock, supposed to be desulfurized, is div...	12/19/1989
4830091	Method of removing heat from a vertical steam reformer connecting pipe Heat is removed from, or supplied to, a vertical pipe of any cross-section, whose internal temperature is above or below the ambient temperature and whose wall temperature must neither exceed nor fall below a predetermined temperature range, by a method i...	05/16/1989
4824440	Production of methane containing gases Heterocyclic and O-substituted aromatic species, for example those obtained as a by product of coal gasification, may be gasified by reaction with steam in the presence of a nickel-alumina containing catalyst to produce methane-containing gases. The refor...	04/25/1989
4690690	Steam reforming hydrocarbons A process for producing a product gas stream containing hydrogen and carbon oxides by incomplete catalytic reaction of a hydrocarbon feedstock with steam and/or carbon dioxide. The process involves passing a reactants stream containing the feedstock and s...	09/01/1987
4681701	Process for producing synthesis gas A process for producing synthesis gas by catalytic reforming of hydrocarbons with steam in a reaction zone which is subjected to heat exchange with a combustion gas and recycling heat exchanged combustion gas to a combustion zone. The invention further re...	07/21/1987
4568583	Steam reforming A shaped solid material to be contacted with a flowing fluid, in the form of tubular units each having a perforated wall and having means to distance that wall from the wall of a container in which they are to be stacked in axial relationship with one ano...	02/04/1986
4553981	Enhanced hydrogen recovery from effluent gas streams Effluent gas streams for steam reforming, partial oxidation or coal gasification operations are advantageously treated in shift conversion, scrubbing and pressure swing adsorption units for recovery of a purified, hydrogen-containing product gas stream. B...	11/19/1985
4541841	Method for converting carbon-containing raw material into a combustible product gas Converting carbon-containing raw material, particularly coal, wood or crude oil, into a combustible product gas by a gasification reaction in the presence of a catalyst which is dissolved in the steam intended for the gasification reaction, forming a homo...	09/17/1985

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Class 48/214A - Catalytic processes