Class / Patent application number | Description | Number of patent applications / Date published |
423652000 | Including decomposing water | 44 |
20080241059 | Catalytic Steam Reforming With Recycle - A method for generating hydrogen in a production facility having a catalytic steam reformer, a boiler downstream of the catalytic steam reformer, optionally having a prereformer, and optionally having a shift reactor, wherein the reformer feed gas mixture is formed using a steam-containing recycle gas mixture which was formed from boiler effluent. The boiler generates steam which may be used to form the reformer feed gas mixture, used elsewhere in the production facility, and/or used for export steam. | 10-02-2008 |
20080305034 | STEAM REFORMING FUEL PROCESSOR, BURNER ASSEMBLY, AND METHODS OF OPERATING THE SAME - Systems and methods for producing hydrogen gas with a fuel processing system that includes a hydrogen-producing region that produces hydrogen gas from a feed stream and a heating assembly that consumes a fuel stream to produce a heated exhaust stream for heating the hydrogen-producing region. In some embodiments, the heating assembly heats the hydrogen-producing region to at least a minimum hydrogen-producing temperature. In some embodiments, the feed stream and the fuel stream both contain a carbon-containing feedstock and at least 25 wt % water. In some embodiments, at least one of the feed and fuel streams contain at least one additional component. In some embodiments, the feed and fuel streams have the same composition. In some embodiments, the feed and fuel streams are drawn or obtained from a common source or supply, and in some embodiments as a liquid stream that is selectively apportioned to form the feed and fuel streams. | 12-11-2008 |
20090104110 | Staged Hydrocarbon/Steam Reformer Apparatus And Method - A staged steam hydrocarbon reformer is disclosed having a chamber within which convectively heated reformer stages are enclosed. The reformer stages are tubes containing steam reforming catalyst. The stages are in serial fluid communication with one another through mixing vessels positioned between each stage. The first reforming stage is fed a mixture of steam and a gaseous hydrocarbon. Partially reformed gases having increased hydrogen concentration are produced at each stage and are mixed with additional gaseous hydrocarbon and optionally steam in the mixing vessels. Collection and distribution manifolds provide fluid communication between the reformer stages and the mixing vessels. A method is also disclosed in which partially reformed gases from a preceding stage are mixed with gaseous hydrocarbon and steam having a lower steam to carbon ratio than the fresh feed to the previous stage. | 04-23-2009 |
20090220413 | Catalyst For Methane Steam Reformation, Method Of Producing The Same, And Method Of Producing Hydrogen Using The Same - Provided is a novel catalyst for methane steam reformation which enables a highly efficient production of hydrogen at a lower reaction temperature of lower than 500° C. without the need for a high temperature condition of a conventional temperature of 500° C. or higher, actually as high as 700 to 800° C. by use of a catalyst for methane steam reformation that is characterized in supporting one kind or more of noble metals or one kind or more of each of noble metals and lanthanide metals in a microporous carbon material, and a method of producing hydrogen using the catalyst. | 09-03-2009 |
20090246120 | Sour Shift Process for the Removal of Carbon Monoxide from a Gas Stream - Processes for the catalytic conversion of a carbonaceous composition into a gas stream comprising methane are provided, where a sour shift reaction is used to remove carbon monoxide gas stream produced by the gasification process. The incorporation of the sour shift reaction provides an efficient and cost-effective means of eliminating carbon monoxide from the gas stream. In addition, the sour shift reaction also generates additional hydrogen, thus increasing the amount of hydrogen produced from the gasification process. | 10-01-2009 |
20090297435 | Microcombustors, Microreformers, And Methods Involving Combusting Or Reforming Liquids - The invention describes combustors and steam reformers and methods of combustion and steam reforming. For example, integrated combustion reactors are described in which heat from combustion is transferred to an endothermic reaction. Thermally efficient reactors and methods of alcohol steam reforming are also described. Also described is an integrated combustor/reformer containing a methanation catalyst. | 12-03-2009 |
20100015039 | HYDROGEN GENERATION PROCESS USING PARTIAL OXIDATION/STEAM REFORMING - Partial oxidation/steam reformers ( | 01-21-2010 |
20100061927 | HYDROTREATMENT PROCESS - A process for the hydrotreating of fuels with co-production of hydrogen during operation of the process, which enables i.e. reduced need of make-up hydrogen in the hydrotreating stage. The hydrocarbon fuel introduced to the hydrotreatment stage is a fuel containing renewable organic material which generates carbon monoxide during operation of the process. The carbon monoxide is then converted to hydrogen in the recycle loop by a water gas shift stage. | 03-11-2010 |
20100172827 | FUEL STEAM REFORMER SYSTEM AND REFORMER STARTUP PROCESS - A hydrogen generation system is disclosed that has a vaporization section receiving and vaporizing fuel along with water and passing the vapor to a reformer catalyst section heated by a combustor section which generates reformate gas and is fueled by off-gas from a H | 07-08-2010 |
20100284904 | METHODS AND SYSTEMS FOR GENERATING HYDROGEN AND SEPARATING CARBON DIOXIDE - Methods and systems for generating hydrogen and separating carbon dioxide from a feed stream including hydro-carbons and water are disclosed. In some embodiments, the method includes the following: providing a catalytic chamber including a monolithic structure having surfaces coated with carbon dioxide adsorbing materials and one or more washcoated layers of combined steam reforming, water gas shift, and combustion catalysts; directing the feed stream into said catalytic chamber; controlling the feed stream so that it has a temperature range that allows the reactive generation of carbon dioxide and hydrogen gas but does not cause substantial development of coke between hydrocarbons in the feed stream and said surfaces of said monolithic structure; and adsorbing said carbon dioxide generated by heating the feed stream, wherein said carbon dioxide is adsorbed onto carbon dioxide adsorbing materials on said surfaces of said monolithic structure. | 11-11-2010 |
20110085967 | HYDROGEN PRODUCT METHOD AND APPARATUS - A method and apparatus for producing a hydrogen containing product in which hydrocarbon containing feed gas streams are reacted in a steam methane reformer of an existing hydrogen plant and a catalytic reactor that reacts hydrocarbons, oxygen and steam. The catalytic reactor is a retrofit to the existing hydrogen plant to increase hydrogen production. The resulting synthesis gas streams are combined, cooled, subjected to water-gas shift and then introduced into a production apparatus that can be a pressure swing adsorption unit. The amount of synthesis gas contained in a shifted stream made available to the production apparatus is increased by virtue of the combination of the synthesis gas streams to increase production of the hydrogen containing product. The catalytic reactor is operated such that the synthesis gas stream produced by such reactor is similar to that produced by the steam methane reformer and at a temperature that will reduce oxygen consumption within the catalytic reactor. | 04-14-2011 |
20110171118 | Method and device for generating hydrogen - The invention relates to a method and a device for generating hydrogen ( | 07-14-2011 |
20110182804 | Protected Alloy Surfaces In Microchannel Apparatus and Catalysts, Alumina Supported Catalysts, Catalyst Intermediates, and Methods of Forming Catalysts and Microchannel Apparatus - The invention describes microchannel apparatus and catalysts that contain a layer of a metal aluminide or are made in a process in which a metal aluminide layer is formed as an intermediate. Certain processing conditions have surprisingly been found to result in superior coatings. The invention includes chemical processes conducted through apparatus described in the specification. Other catalysts and catalyst synthesis techniques are also described. | 07-28-2011 |
20110236303 | Hydrogen-Generating Reactors And Methods - Reactors and methods that generate hydrogen from fuel, such as naturally-occurring or synthesized hydrocarbon fuel. One embodiment of the reactor comprises a CO | 09-29-2011 |
20120014864 | HYBRID FOAM/LOW-PRESSURE AUTOTHERMAL REFORMER - An autothermal reformer ( | 01-19-2012 |
20120058045 | GAS FROM LANDFILL FOR USE IN HYDROGEN PRODUCTION - Methane collected from a landfill is used as a feedstock for the production of hydrogen in a steam methane reformer. This invention provides a green energy feed stock for the hydrogen production that benefits the environment. | 03-08-2012 |
20120141367 | GAS SEPARATION PROCESS FOR PRODUCTION OF HYDROGEN BY AUTOTHERMAL REFORMING OF NATURAL GAS, WITH CARBON DIOXIDE RECOVERY - Disclosed herein is a process for the production of hydrogen by autothermal reforming of natural gas, with simultaneous recovery of carbon dioxide using carbon dioxide-selective membrane separation. Residual gas from the hydrogen and carbon dioxide recovery is recycled back to the autothermal reformer. | 06-07-2012 |
20120141368 | NOVEL STEAM REFORMER BASED HYDROGEN PLANT SCHEME FOR ENHANCED CARBON DIOXIDE RECOVERY - A novel steam reformer unit design, a novel hydrogen PSA unit design, a novel hydrogen/nitrogen enrichment unit design, and novel processing scheme application are presented. | 06-07-2012 |
20120258037 | METAL SUPPORTED SILICA BASED CATALYTIC MEMBRANE REACTOR ASSEMBLY - A catalytic membrane reactor assembly for producing a hydrogen stream from a feed stream having liquid hydrocarbons, steam, and an oxygen source through the use of an autothermal reforming reaction, a water-gas-shift reaction, and a hydrogen permeable membrane. | 10-11-2012 |
20120282166 | WATER REACTIVE HYDROGEN GENERATION SYSTEM AND METHOD WITH SEPARATION OF WASTE PRODUCTS FROM WATER REACTIVE MATERIALS - A water reactive hydrogen generation system includes devices and methods to combine reactant fuel materials and aqueous solutions to generate hydrogen. The generated hydrogen is used in a fuel cell or other application. The water reactive hydrogen generation system includes a reactant fuel chamber, a reactor chamber (zone), a water solution inlet, a hydrogen output port, and a material delivery device. The material delivery device can include a drive screw and a sliding piston to move the fuel material into the reactor zone when a reaction is initiated. As the reaction takes place, the reaction waste product is removed from the reaction zone to allow additional reactant fuel materials and aqueous solutions to be introduced and to continue the hydrogen-generating reaction. A reaction waste product created is exchanged for additional reactant fuel material at determined intervals to allow the reaction to continue until the reactant fuel is exhausted. | 11-08-2012 |
20120288439 | HYDROGEN PRODUCTION WITH CARBON CAPTURE - Systems and methods for hydrogen production with carbon capture are provided. A hydrogen containing stream can be divided so that a portion of the stream is processed for separation of CO | 11-15-2012 |
20120301391 | PROCESS FOR THE PRODUCTION OF HYDROGEN STARTING FROM LIQUID HYDROCARBONS, GASEOUS HYDROCARBONS AND/OR OXYGENATED COMPOUNDS ALSO DERIVING FROM BIOMASSES - The present invention relates to a process for the production of hydrogen starting from liquid hydrocarbons, gaseous hydrocarbons, and/or oxygenated compounds, also deriving from biomasses, and mixtures thereof. Said process is characterized in that it comprises a preheating section ( | 11-29-2012 |
20130156685 | HYDROGEN PRODUCTION WITH REDUCED CARBON DIOXIDE GENERATION AND COMPLETE CAPTURE - The present invention is a method of reducing the carbon dioxide balance from a reformer furnace flue gas to the high pressure syngas exit water gas shift reaction unit. Introducing a heated gas mixture into at least one pre-reforming chamber. The heating being provided by indirect heat exchange with one or more of an SMR furnace flue gas or an SMR furnace syngas introducing the gas mixture into a standard H2 PSA unit, wherein the gas mixture is separated into a hydrogen enriched stream and a PSA tail gas stream; introducing the PSA tail gas stream into a CPU system, wherein the PSA tail gas stream is separated into a carbon dioxide enriched stream, a hydrogen rich stream, and a residual stream, and introducing the residual stream as fuel into the reformer furnace along with natural gas. | 06-20-2013 |
20130156686 | HYDROGEN PRODUCTION WITH REDUCED CARBON DIOXIDE GENERATION AND COMPLETE CAPTURE - The present invention is a method of minimizing the emissions of carbon dioxide from a reformer furnace flue gas to the high pressure syngas exit water gas shift reaction unit. Including heating a first gas mixture by indirect heat exchange with one or more of an SMR furnace flue gas or an SMR furnace syngas, further heating the pre-reformed mixture in a primary reformer, thereby generating a second gas mixture comprising hydrogen, carbon monoxide, carbon dioxide, and a flue gas. Introducing the gas mixture into a standard H2 PSA unit, wherein the gas is separated into a hydrogen enriched stream and a PSA tail gas stream, and introducing PSA feed or tail gas stream into a carbon dioxide removal system, wherein the flue gas is separated into a residual flue gas stream and a carbon dioxide enriched stream. | 06-20-2013 |
20130287678 | GAS SEPARATION APPARATUS, MEMBRANE REACTOR, AND HYDROGEN PRODUCTION APPARATUS - In a gas separation apparatus that separates carbon dioxide and water vapor from a first mixture gas containing a predetermined major component gas, carbon dioxide, and water vapor, the energy utilization efficiency thereof is improved. Also, by utilizing the function of this gas separation apparatus, a membrane reactor and a hydrogen production apparatus exhibiting high energy utilization efficiency are provided. The gas separation apparatus is constructed to include a first separation membrane | 10-31-2013 |
20140037537 | COKE TOLERANT STEAM REFORMING CATALYST - Steam reforming a hydrocarbon feed such as liquefied petroleum gas is conducted in the presence of a catalyst comprising a precious metal such as rhodium on a support comprising ceria, zirconia and praseodymium oxide. | 02-06-2014 |
20140120033 | NON-CO2 EMITTING MANUFACTURING METHOD FOR SYNTHESIS GAS - There is provided a method for producing synthesis gas without CO | 05-01-2014 |
20150037246 | METHOD AND SYSTEM FOR THE PRODUCTION OF HYDROGEN - Disclosed is a process for the production of hydrogen in a reactor system comprising a steam reforming reaction zone comprising a reforming catalyst and a membrane separation zone comprising a hydrogen-selective membrane. The process involves a reaction system of so-called open architecture, wherein the reforming zone and the membrane separation zone operate independently of each other. The invention provides the heat for the reforming reaction through heat exchange from liquid molten salts, preferably heated by solar energy. | 02-05-2015 |
20150118146 | SYSTEMS AND METHODS FOR CONTROLLING ON-BOARD GENERATION AND USE OF HYDROGEN FUEL MIXTURES - This is a system for generating hydrogen on-board the vehicle from compressed natural gas (CNG) in select ratios to create hydrogen-enriched CNG (HCNG) fuel for use in internal combustion engines. The on-board generation of hydrogen is comprised of a reforming system of CNG fuel with direct contact with exhaust gases. The reforming system controls for production of HCNG fuel mixtures is based on specific engine operating conditions. The vehicle's engine controls and operating parameters are modified for combustion of selective ratios of HCNG fuel mixtures throughout engine operating cycle. The reforming system controls and engine controls modifications are also used to minimize combustion emissions and optimize engine performance. | 04-30-2015 |
20150315020 | METHOD FOR PRODUCING HYDROGEN BY REFORMING HYDROCARBONS USING STEAM, COMBINED WITH CARBON DIOXIDE CAPTURE AND STEAM PRODUCTION - A method for producing hydrogen by reforming hydrocarbons using steam, combined with carbon dioxide capture and steam production, which involves mixing the hydrocarbons to be reformed with steam in order to produce the feedstock for the reforming, generating a syngas; the syngas is then cooled, and enriched with H | 11-05-2015 |
20160016794 | METHODS OF PRODUCING HYDROGEN AND SOLID CARBON - A method for producing hydrogen, includes heating a process feed gas stream, flowing the process feed gas stream into a first reaction zone, flowing the intermediate gas stream into a second reaction zone, removing the solid carbon product from the second reaction zone, removing the tail gas stream from the second reaction zone, and removing hydrogen from the tail gas stream. The process gas stream includes methane and steam. The first reaction zone contains a first catalyst, and at least a portion of the process feed gas stream is converted into an intermediate gas stream in the first reaction zone. The second reaction zone contains a second catalyst, and at least a portion of the intermediate gas stream is converted into a tail gas stream and a solid carbon product in the second reaction zone. | 01-21-2016 |
20160152469 | METHOD AND SYSTEM FOR PRODUCING HYDROGEN USING AN OXYGEN TRANSPORT MEMBRANE BASED REFORMING SYSTEM WITH SECONDARY REFORMING | 06-02-2016 |
423653000 | Catalyst substance contains nickel | 12 |
20080260631 | HYDROGEN PRODUCTION PROCESS - A hydrogen production process includes combining a first feedstream and a second feedstream to produce, in a pre-reforming reactor, a first product stream comprising CH | 10-23-2008 |
20120039794 | HYDROGEN PROCESS - A process for producing hydrogen includes: passing a hydrocarbon feed though purification sorbent(s), combining steam with the purified hydrocarbon and passing the hydrocarbon/steam mixture adiabatically through a bed of steam reforming catalyst, passing the pre-reformed gas mixture through a fired steam reformer to generate a crude synthesis gas mixture, passing the crude synthesis gas mixture through one or more beds of water-gas shift catalyst to generate a shifted synthesis gas mixture, passing the shifted synthesis gas mixture to a membrane shift reactor containing a bed of water-gas shift catalyst and a CO | 02-16-2012 |
20120207668 | SOAK AND COKE - There is provided herein a method for producing hydrogen gas, comprising: sorbing a liquid hydrocarbon fuel to a gasification catalyst to form a sorbed hydrocarbon fuel; heating said sorbed hydrocarbon fuel to a first temperature for a first period of time sufficient to form coke; and gasifying said coke at a second temperature at a pressure for a second period of time in the presence of water and/or oxygen, so as to produce hydrogen gas and carbon monoxide and to regenerate said catalyst. In particular, the hydrocarbon fuel can be a liquid biomass, such pyrolysis oil, and the method can be CO | 08-16-2012 |
20140205536 | SOAK AND COKE - There is provided herein a method for producing hydrogen gas, comprising: sorbing a liquid hydrocarbon fuel to a gasification catalyst to form a sorbed hydrocarbon fuel; heating said sorbed hydrocarbon fuel to a first temperature for a first period of time sufficient to form coke; and gasifying said coke at a second temperature at a pressure for a second period of time in the presence of water and/or oxygen, so as to produce hydrogen gas and carbon monoxide and to regenerate said catalyst. In particular, the hydrocarbon fuel can be a liquid biomass, such pyrolysis oil, and the method can be CO | 07-24-2014 |
20150376004 | STEAM METHANE REFORMING REACTOR OF SHELL AND TUBE TYPE WITH CYLINDRICAL SLOTS - A convectively heated steam/methane reformer having a shell and tube reforming reactor for hydrogen production. A reactor core containing the reactants is convectively heated by hot air flowing through the shell or annulus of the reactor. Heated air is supplied to the reactor through several fluid inlets on the shell side of the reformer. | 12-31-2015 |
423654000 | And another metal | 7 |
20090196822 | Hydrogen Production Using Complex Metal Oxide Pellets - Complex metal oxide-containing pellets and their use for producing hydrogen. The complex metal oxide-containing pellets are suitable for use in a fixed bed reactor due to sufficient crush strength. The complex metal oxide-containing pellets comprise one or more complex metal oxides and at least one of in-situ formed calcium titanate and calcium aluminate. calcium titanate and calcium aluminate are formed by reaction of suitable precursors in a mixture with one or more complex metal carbonates. The complex metal oxide-containing pellets optionally comprise at least one precious metal. | 08-06-2009 |
20120189536 | PEROVSKITE-TYPE STRONTIUM TITANATE - The present invention relates to a perovskite-type strontium titanate, wherein the strontium titanate is Y- and Ni-doped and has the general formula (Sr,Y)(Ti,Ni)O | 07-26-2012 |
20120275992 | Dual Purpose Gas Purification by Using Pressure Swing Adsorption Columns for Chromatographic Gas Separation - A process wherein a gas mixture of a reformate gas comprised predominantly of hydrogen and carbon oxides, and a biogas comprised predominantly of methane and carbon dioxide is passed through a pressure swing adsorption unit. Contaminants, such as carbon oxides, are adsorbed and a methane-rich stream and a hydrogen-rich stream are separately recovered. The methane-rich stream is sent to steam methane reforming that results in a reformate comprised primarily of hydrogen which is then combined with the biogas feed stream and sent to pressure swing adsorption. | 11-01-2012 |
20130045159 | HYDROCARBON-DECOMPOSING POROUS CATALYST BODY AND PROCESS FOR PRODUCING THE SAME, PROCESS FOR PRODUCING HYDROGEN-CONTAINING MIXED REFORMED GAS FROM HYDROCARBONS, AND FUEL CELL SYSTEM - A process for producing the porous catalyst body for decomposing hydrocarbons, the body containing at least magnesium, aluminum and nickel, and has a pore volume of 0.01 to 0.5 cm | 02-21-2013 |
20130129609 | CATALYTIC SYSTEM FOR CATALYTIC PARTIAL OXIDATION PROCESSES WITH A SHORT CONTACT TIME - The present invention relates to a catalytic system comprising at least two catalytic zones of which at least one zone exclusively contains one or more noble metals selected from the group consisting of Rhodium, Ruthenium, Iridium, Palladium and Platinum and at least another zone contains Nickel, said catalytic system characterized in that at least one zone exclusively containing noble metals selected from the group consisting of Rhodium, Ruthenium, Iridium, Palladium and Platinum is always distinct but in contact with at least one zone containing Nickel. One or more metals selected from the group consisting of Rhodium, Ruthenium, Iridium, Palladium and Platinum are possibly added to the catalytic zone or zones comprising Nickel. | 05-23-2013 |
20130287679 | HYDROCARBON-DECOMPOSING POROUS CATALYST BODY AND PROCESS FOR PRODUCING THE SAME, PROCESS FOR PRODUCING HYDROGEN-CONTAINING MIXED REFORMED GAS FROM HYDROCARBONS, AND FUEL CELL SYSTEM - A process for producing the porous catalyst body for decomposing hydrocarbons, the body containing at least magnesium, aluminum and nickel, and has a pore volume of 0.01 to 0.5 cm | 10-31-2013 |
20130302241 | CATALYST FOR HYDROGEN PRODUCTION - The invention provides a catalyst for the production of hydrogen by steam reforming. The catalyst is a porous catalyst which is based on at least aluminium oxide and preferably magnesium oxide, and further comprises boron and nickel. The porous catalyst comprises pores having an average pore size in the range of 0.1-50 nm. The activity of the catalyst may be further enhanced by addition of a noble metal such as Rh, Ru, Pd, Ir or Pt. The catalyst can be broadly used in hydrogen production processes, and is especially suitable for reforming using a membrane which is selective for a predetermined reaction product. Such process can be operated at relatively low temperatures of about 450-700° C. | 11-14-2013 |