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Class 518/716 - Rhodium containing catalyst


Subclass of Class 518 - Chemistry: fischer-tropsch processes; or purification or recovery of products thereof
Definition: Processes wherein the catalyst contains rhodium.
No. of patents: 83
Last issue date: 11/22/2011


1      
NumberTitleIssue Date
8063110Process for the conversion of synthesis gas to oxygenates
Process for the conversion of carbon oxide(s) and hydrogen-containing feedstocks to oxygen containing hydrocarbon compounds in the presence of a particulate rhodium-based catalyst, by reacting carbon oxide(s) and hydrogen in the presence of a particulate rhodium-bas...
11/22/2011
7939571Process for the conversion of synthesis gas to oxygenate
Process for the conversion of carbon oxide(s) and hydrogen-containing feedstocks to C2-oxygenates in the presence of a particulate catalyst, by reacting carbon oxide(s) and hydrogen in the presence of a particulate rhodium-based catalyst in a conversion reactor to f...
05/10/2011
7393877Process for the conversion of a synthesis gas to hydrocarbons in the presence of beta-SiC and effluent from this process
In a process for the conversion of carbon monoxide to C2+ hydrocarbons in the presence of hydrogen and of a catalyst comprising a metal and a support comprising silicon carbide, the support comprises more than 50% by weight of silicon carbide i...
07/01/2008
7365040Catalysts
A process for preparing a cobalt-based Fischer-Tropsch synthesis catalyst includes introducing a soluble modifying component precursor of the formula Mc(OR)x, where Mc is a modifying component selected from the group comprising Si, Ti, Cu, Zn, Zr, Mn, Ba,...
04/29/2008
7351679Fischer-tropsch catalyst, preparation, and use thereof
Embodiments include a catalyst for use in a Fischer-Tropsch synthesis reaction which comprises cobalt supported on alumina. In some embodiments, the alumina support may have specific surface area of less than 50 m2/g and/or may be least 10% α-alumina.
04/01/2008
7351750Method for producing long-chain hydrocarbons from natural gas
Natural gas is reacted with steam for generating carbon monoxide and hydrogen in a first catalytic reactor. The resulting gas mixture is used to perform Fischer-Tropsch synthesis in a second catalytic reactor. After performing Fischer-Tropsch synthesis, the remainin...
04/01/2008
7341976Stabilized boehmite-derived catalyst supports, catalysts, methods of making and using
A stabilized catalyst support having improved hydrothermal stability, catalyst made therefrom, and method for producing hydrocarbons from synthesis gas using said catalyst. The stabilized support is made by a method comprising treating a crystalline hydrous alumina ...
03/11/2008
7329691Perovskite catalyst for the partial oxidation of natural gas
A composition and method for a Catalytic Partial Oxidation (CPO) of methane to synthesis gas. The catalyst allows the process to proceed at low residence time providing a long time thermal stability. The perovskite structure [AzA′1-z][B1...
02/12/2008
7294734Process for converting a hydrocarbon to an oxygenate or a nitrile
This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising the hydrocarbon reactant, and oxygen or a source of oxygen, and optiona...
11/13/2007
7273893Process for converting carbon dioxide to oxygenates
A catalyst and process for converting carbon dioxide into oxygenates. The catalyst comprises copper, zinc, aluminum, gallium, and a solid acid. ...
09/25/2007
7255845Process 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 multichannel reactor with cross flow heat exchange is disclosed. ...
08/14/2007
7226574Oxidation process using microchannel technology and novel catalyst useful in same
A process is disclosed for converting a hydrocarbon reactant to a product comprising CO and H2. The process comprises: (A) flowing a reactant composition comprising the hydrocarbon reactant and oxygen or a source of oxygen through a microchannel reactor i...
06/05/2007
7220390Microchannel with internal fin support for catalyst or sorption medium
This invention relates to an apparatus, comprising: at least one process microchannel having a height, width and length, the height being up to about 10 mm, the process microchannel having a base wall extending in one direction along the width of the process microch...
05/22/2007
7176160Method for forming a Fischer-Tropsch catalyst using a boehmite support
A method is provided for forming a highly active Fischer-Tropsch catalyst using boehmite having a particular crystallite size. In this method, a support material comprising boehmite is contacted with a catalytic metal-containing compound to form a catalyst precursor...
02/13/2007
7172638Staged 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
7163963Chemically and thermally stabilized alumina for Fischer-Tropsch catalysts
This invention is generally related to the field of Fischer-Tropsch catalysts. In particular, the present invention is related to a Fischer-Tropsch catalyst and method of making same. More particularly, the present invention discloses a catalyst comprising a support...
01/16/2007
7084180Fischer-tropsch synthesis using microchannel technology and novel catalyst and microchannel reactor
The disclosed invention relates to a process for converting a reactant composition comprising H2 and CO to a product comprising at least one aliphatic hydrocarbon having at least about 5 carbon atoms, the process comprising: flowing the reactant compositi...
08/01/2006
7056857Fischer-tropsch catalysts using multiple precursors
A method for making a catalyst is provided that features loading a catalytic metal to a support using at least two different precursor compounds of that said metal; and loading the promoter to the support in an amount effective so as to achieve similar promotion as ...
06/06/2006
7029647Process for producing hydrogen peroxide using microchannel technology
This invention relates to a process for making hydrogen peroxide in a microchannel reactor. The process comprises flowing a process feed stream and a staged addition feed stream in a process microchannel in contact with each other to form a reactant mixture comprisi...
04/18/2006
7001867Rare earth aluminates and gallates supported rhodium catalysts for catalytic partial oxidation of hydrocarbons
The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions. In particular, preferred embodiments of the present invention comprise rare earth catalyst supports, catalyst compositions having rare earth su...
02/21/2006
6969505Process 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 multichannel reactor with cross flow heat exchange is disclosed. ...
11/29/2005
6962947Pressure swing catalyst regeneration procedure for Fischer-Tropsh catalyst
A process is disclosed for regenerating a catalyst used in a process for synthesizing hydrocarbons. The synthesis process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting ...
11/08/2005
6914082Slurry bubble reactor operated in well-mixed gas flow regime
A gas-agitated multiphase reactor system for the synthesis of hydrocarbons gives high catalyst productivity and reactor capacity. The system includes operating a multi-phase reactor in the well-mixed gas flow regime, with a Peclet number less than 0.175 and a single...
07/05/2005
6800579Catalyst regeneration
There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an oxidant-containing atmosphere, impregnating with a solution of at lea...
10/05/2004
6368997Fischer-Tropsch processes and catalysts using fluorided supports
A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre...
04/09/2002
6346555Process and catalyst for preparing C2-oxygenates from synthesis gas
In a process for preparing C2 -oxygenates by reaction of CO and H2 over a rhodium-containing supported catalyst, the catalyst comprises, based on the total weight, from 0.01 to 10% by weight of rhodium, from 0.001 to 10% by weight of zirc...
02/12/2002
6034031Catalyst material for use in producing substitute natural gas and method for producing substitute natural gas
A catalyst material produced is for use in producing a substitute natural gas from a source gas containing at least one of carbon dioxide and carbon monoxide, and a reducing gas. The catalyst material contains rhodium and palladium carried on a metal oxid...
03/07/2000
5137924Catalytic process
Methanol synthesis over a catalyst derived from an alloy of copper and/or a platinum group metal and a highly oxidizable metal such as a rare earth metal can be carried out at unusually low temperatures such as 70° C. and using synthesis gas deficient in...
08/11/1992
5102851Supported catalyst for hydrocarbon synthesis
A catalyst for converting synthesis gas, a mixture of hydrogen and carbon monoxide, into a mixture of predominately paraffinic hydrocarbons. The catalyst includes catalytically active amounts of cobalt and a loading-insensitive second metal selected from ...
04/07/1992
4863971Synthesis gas conversion with perovskite catalysts
A process for synthesis gas conversion utilizing perovskite catalysts is disclosed herein. The perovskites utilized in the process have a carbon selectivity of about eight mol percent or more for oxygenated compounds containing one to six carbon atoms. Th...
09/05/1989
4861802Preparation of low molecular weight olefinic hydrocarbons using a perovskite catalyst
Improved process for the catalytic gas phase preparation of low molecular weight (C2-6) olefinic hydrocarbons from mixtures of H2 and CO, the improvement consisting of contacting and reacting a mixture of H2 and CO, at a H...
08/29/1989
4758600Process for the manufacture of ethanol
Ethanol is prepared with high selectivity by the catalytic reaction of carbon monoxide and hydrogen. The catalyst composition comprises: (A) catalyst component consisting of (a) a rhodium component, (b) a lithium component, and (c) a component of at least one eleme...
07/19/1988
4619947Chemical process
A method for the preparation of hydrocarbons and oxygenated hydrocarbons which comprises contacting a gaseous mixture of carbon monoxide, hydrogen and oxygen with a catalyst comprising a metal of Group VII or Group VIII of the Periodic Table, the amount o...
10/28/1986
4596831Polymer bound fischer-tropsch catalysts
There is disclosed a resin-metal (complex) catalyst, a method for its preparation, activation and use in carrying out Fischer-Tropsch reactions. The complex is a resin which has attached to it a coordination compound(s) and a metal(s). The complex has uti...
06/24/1986
4590217Process for the manufacture of acetic acid, acetaldehyde and ethanol
A method for making a mixture containing acetic acid, acetaldehyde, and ethanol as the pricipal products, which process comprises reacting carbon monoxide and hydrogen at an elevated temperature and at an elevated pressure in the presence of a supported c...
05/20/1986
4568699Process for producing oxygen-containing hydrocarbon compounds
A catalyst comprising a combination of rhodium, iridium and lithium supported on a carrier having a specific surface area of more than 150 m2 /g is disclosed for producing two carbon atom oxygenerated compounds from carbon monoxide. The catalys...
02/04/1986
4568698Novel catalysts and their preparation and process for the production of saturated gaseous hydrocarbons
Catalysts comprising a medium to large port zeolite modified by the oxide or acid of an element selected from the group consisting of Group IIIA to VIIA elements and, a Fischer-Tropsch catalyst wherein the ratio of zeolite to Fischer-Tropsch component is ...
02/04/1986
4559364Catalysts having alkoxide-modified supports
A catalyst composition comprising a catalytic metal and a support, the support being prepared by depositing a metal alkoxide salt on a core support, then calcining the support....
12/17/1985
4547525Reducing methane production in Fischer-Tropsch reactions
Methane production in catalytic Fischer-Tropsch hydrocarbon synthesis reactions is reduced by adding olefins to the H2 and CO feed mixture. Alpha olefins of ten carbon atoms or less are particularly preferred....
10/15/1985
4539334Selective poisoning of Fischer-Tropsch catalysts
A Fischer-Tropsch process comprises contacting hydrogen and carbon monoxide in the presence of a conventional Fischer-Tropsch catalyst in combination with an amount of phosphorus effective to selectively poison the Fischer-Tropsch catalyst so as to improv...
09/03/1985
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