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7354562 Simultaneous shift-reactive and adsorptive process to produce hydrogen  
A process for producing a high temperature CO x -lean product gas from a high temperature CO x -containing feed gas, includes: providing a sorption enhanced reactor containing a first adsorbent, a...
7261870 Process for the reduction of carbon monoxide and carbonyl sulfide emissions  
Carbon monoxide and carbonyl sulfide emissions are reduced in manufacturing processes, including titanium tetrachloride production processes. Gas is contacted with CO, COS, and an oxygen-containing...
7255845 Process for conducting an equilibrium limited chemical reaction in a single stage process channel  
This invention relates to a process for conducting an equilibrium limited chemical reaction in a single stage process channel. A process for conducting a water shift reaction is disclosed. A...
7238333 High activity water gas shift catalysts with no methane formation  
A method of reducing an amount of carbon monoxide in process fuel gas in a water gas shift converter with no methane formation. The method includes placing a high activity water gas shift catalyst...
7195742 Preferential oxidation reactor and process  
An apparatus for preferential oxidation of carbon monoxide in a reformate flow includes a reactor defining a flow path for a reformate flow; at least one catalyst bed disposed along the flow path;...
7179442 Catalyst formulations containing Group 11 metals for hydrogen generation  
A method and catalysts and fuel processing apparatus for producing a hydrogen-rich gas, such as a hydrogen-rich syngas are disclosed. According to the method a CO-containing gas, such as a syngas,...
7169376 Method for making hydrogen using a gold containing water-gas shift catalyst  
The present invention relates to a method for making hydrogen comprising contacting in a water-gas shift reaction zone a feed comprising carbon monoxide and water under water-gas shift conditions...
7160533 Platinum-ruthenium containing catalyst formulations for hydrogen generation  
A method and catalysts for producing a hydrogen-rich syngas are disclosed. According to the method a CO-containing gas contacts a water gas shift (WGS) catalyst, optionally in the presence of...
7148178 Combination of a guard bed and a copper-containing catalyst bed  
A catalyst bed combination comprising a bed of a particulate copper-containing catalyst and, upstream of the catalyst bed, a guard bed in the form of shaped units formed from lead oxide particles...
7115236 Exhaust gas purifying method and system for fuel cell vehicle  
An exhaust gas purifying method for a fuel cell vehicle comprises preparing an exhaust gas purifying system for the fuel cell vehicle, the exhaust gas purifying system including a methane removal...
7070758 Process and apparatus for generating hydrogen from oil shale  
A process and apparatus for generating hydrogen from oil shale. Crushed oil shale may be placed in a chamber and combusted with carbon monoxide, oxygen and steam to form a gas stream of hydrogen...
7029640 Process for selective oxidation of carbon monoxide in a hydrogen containing stream  
In a process for oxidizing carbon monoxide with oxygen to carbon dioxide using a composition comprising platinum and iron, a process of at least partially regenerating the composition is disclosed.
6953561 Device for the selective oxidation of a substance stream  
A device for selective oxidation of a substance stream comprises a selectively active catalyst. For improving the cold-starting characteristics, the device also has an oxidation catalyst that...
6942846 Recombination device and method for catalytically recombining hydrogen and/or carbon monoxide with oxygen in a gaseous mixture  
A recombination device ( 1, 1′ ) for catalytically recombining hydrogen and/or carbon monoxide with oxygen in a gaseous mixture comprises at least one catalyst system ( 2 ) in which a housing ( 4...
6913739 Platinum group metal promoted copper oxidation catalysts and methods for carbon monoxide remediation  
The invention provides processes for selectively oxidizing carbon monoxide from an input gas stream that contains carbon monoxide, oxygen and hydrogen. The process includes the step of contacting...
6869580 Pyrolysis-based fuel processing method and apparatus  
The method for generating a hydrogen-rich stream from hydrocarbon fuels, ultimately to produce hydrogen gas, involves the following two steps performed in a cyclic fashion: (1) pyrolysis of the...
6855664 Method for the catalytic oxidation of volatile organic compounds  
A catalyst for the full oxidation of volatile organic compounds (VOC), particularly hydrocarbons, and of CO to CO 2 , comprising: a non-stoichiometric crystalline compound conventionally...
6852303 Method of using molybdenum carbide catalyst  
A molybdenum carbide compound is formed by reacting a molybdate with a mixture of hydrogen and carbon monoxide. By heating the molybdate powder from a temperature below 300° C. to maximum...
6852302 Carbon monoxide removing apparatus and process for operating the same  
An apparatus of removing carbon monoxide, has: a hydrogen gas supply unit of supplying a hydrogen gas, a catalytic reaction unit provided with a catalyst body carrying a platinum group metal...
6838071 Process for preparing a H2-rich gas and a CO2-rich gas at high pressure  
The present invention comprises a method for production of a CO 2 -rich gas stream and a H 2 -rich gas stream, the method comprising the following steps: a) natural gas and water are fed to a...
6824904 Reactor for preferential oxidation and method of use  
A preferential oxidation reactor is provided including a plurality of reactor sections. The reactor sections are individually optimized for operating at a preferred reaction temperature. In one...
6805850 Co-shift device  
A CO-shift device includes a main body having therein a space in which a CO-shift catalyst is accommodated, the space being divided into an inner space and an outer space surrounding the inner...
6783749 Gas recovery process  
Improved method for recovering hydrogen and carbon monoxide from hydrocarbon conversion processes are disclosed. A monolith catalyst reactor means is utilized in treating the waste gas stream from...
6780386 Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas  
Provided is a catalyst for selective oxidation of CO gas in a gas of essentially hydrogen, and a method for producing the catalyst. The catalyst is highly active in a relatively high temperature...
6777117 Catalysts for water gas shift reaction, method for removing carbon monoxide in hydrogen gas and electric power-generating system of fuel cell  
There is provided a catalyst for a water gas shift reaction in a hydrogen gas which is able to effectively remove CO in the hydrogen gas within a broader temperature range. Such a catalyst for the...
6746657 Method for reduced methanation  
The invention disclosed is a method for the reduction of carbon monoxide to carbon dioxide in a gas stream comprising carbon monoxide, hydrogen and water vapor, wherein the carbon monoxide and...
6740303 Gas generating system for a fuel cell system and method of operating a gas generating system  
A gas generating system for a fuel cell system as well as to a method of operating same. In order to provide hydrogen-containing combustible gas as rapidly as possible and to reduce the exhaust gas...
6726890 Catalyst for oxidizing reformed gas  
The present invention provides a catalyst for oxidizing reformed gas, which catalyst can selectively oxidize carbon monoxide—which is contained in the reformed gas used as a fuel of a solid...
6723298 Method for catalytic conversion of carbon monoxide in a hydrogen-containing gas mixture  
A method for catalytic conversion of carbon monoxide with water to carbon dioxide and water in a hydrogen-containing gas mixture (carbon monoxide conversion) by passing the gas mixture over a shift...
6692713 Process for the catalytic oxidation of carbonaceous compounds  
Process for the preferential oxidation of carbon monoxide and/or CH 3 OH in a hydrogen containing process stream by contacting the process stream with a catalyst comprising gold on a support...
6680044 Method for gas phase reactant catalytic reactions  
The present invention provides chemical reactors and reaction chambers and methods for conducting catalytic chemical reactions having gas phase reactants. In preferred embodiments, these reaction...
6641795 Reformer and method for operation thereof  
A reformer disposed in the flow path of a reactant fluid includes: a catalyst unit capable of generating hydrogen from a reactant fluid containing an organic compound or carbon monoxide, by...
6625248 Process for the treatment of radioactive graphite  
A process for the treatment of radioactive graphite which includes the following steps: (i) reacting the radioactive graphite at a temperature in the range of from 250° C. to 900° C. with...
6610259 High efficiency catalytic carbon monoxide conversion process  
A process for high-efficiency catalytic conversion of carbon monoxide (CO) to carbon dioxide (CO 2 ) of the type comprising the steps of feeding at predetermined speed a gaseous flow comprising...
6576208 Catalyst for selective oxidation and elimination of carbon monoxide present in hydrogen-containing gases  
A catalyst for selective oxidation of carbon monoxide present in a hydrogen-containing gas is provided in which the catalyst comprises ruthenium supported on an alumina hydrate. This catalyst has a...
6562309 Photocatalytic system  
A photocatalytic device for photocatalytically treating evaporative emissions comprises a substrate with a photocatalyst. A shell is disposed about the substrate, and can optionally comprises one...
6548034 Process for reducing concentration of carbon monoxide in hydrogen-containing gas  
In the present invention, carbon monoxide in the hydrogen-containing gas is contacted with oxygen in the presence of a catalyst comprising platinum and at least one metal selected from the group...
6531106 Selective removing method of carbon monoxide  
According to the present invention, provided is a method of selectively removing carbon monoxide, comprising the steps of preparing a catalyst bed capable of selectively oxidizing carbon monoxide...
6531105 Process and apparatus for removing carbon monoxide from a gas stream  
Apparatus and process for removing carbon monoxide from a gas stream comprising a major portion of an inert gas and a minor portion of carbon monoxide are provided. The process involves contacting...
6521143 Co-production of carbon monoxide-rich syngas wth high purity hydrogen  
A process is provided for simultaneously producing a syngas product having a H 2 /CO ratio of less than 2.5 and a hydrogen gas product. The process includes increasing an amount of carbon dioxide...
6517805 Method and apparatus for producing hydrogen  
An apparatus for producing hydrogen from hydrocarbons or alcohol, particularly methanol, by feeding a reaction mixture comprising a hydrocarbon or alcohol and water onto a catalyst. The catalyst is...
6514472 Method for operation of a catalytic reactor  
A method for the selective oxidation of carbon monoxide in a gas stream comprising carbon monoxide, hydrogen and oxygen in an adiabatically operated fixed-bed, catalytic reactor. In the method the...
6511640 Purification of gases  
A process for producing a purified gaseous product from a gaseous feedstream such as air containing impurities is disclosed. The impurities such as hydrogen, water vapor, carbon monoxide and carbon...
6500403 Process for the production of hydrogen  
A high temperature shift process using an iron oxide-containing catalyst wherein the feed gas is contacted with an iron-free, copper-containing, catalyst at an inlet temperature in the range...
6495113 Carbon monoxide concentration reducing apparatus and method for driving the same  
A carbon monoxide concentration reducing apparatus that raises the internal temperature of a CO-selective oxidation unit carrying a selective oxidation catalyst in as short a time period as...
6475454 Thermally limited selective oxidation methods and apparatus  
A method and apparatus are provided for selectively oxidizing carbon monoxide in the presence of hydrogen gas while leaving the hydrogen substantially unoxidized. This method utilizes a catalytic...
6455182 Shift converter having an improved catalyst composition, and method for its use  
A shift converter ( 16 ) in a fuel processing subsystem ( 14, 16, 18 ) for a fuel cell ( 12 ) uses an improved catalyst composition ( 50 ) to reduce the amount of carbon monoxide in a process gas...
6403051 Recovery of sulfur from H2S and concurrent production of H2 using short contact time CPOX  
A method, apparatus and system for treating a stream containing H 2 S are disclosed. A preferred method comprises mixing the stream containing H 2 S with a light hydrocarbon stream and an oxygen...
6403049 Hydrogen purification  
A process for purifying a gas stream containing hydrogen and carbon monoxide consisting of one or more catalysed reactions for the selective removal of carbon monoxide from the gas stream wherein a...
6361896 Device and method for combined purification and compression of hydrogen containing CO and the use thereof in fuel cell assemblies  
The invention relates to a device for combined purification and compression of hydrogen containing CO. Said device comprises a polymer electrolyte membrane (PEM) cell with a proton-conducting...
Matches 1 - 50 out of 178 1 2 3 4 >