[특허]Method for making hydrogen using a gold containing water-gas shift catalyst

Method for making hydrogen using a gold containing water-gas shift catalyst 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C01B-003/16 C01B-003/00 C01B-031/20 C01B-031/00 B01J-027/055 B01J-027/053
출원번호	US-0866496 (2004-06-10)
발명자 / 주소	Kuperman,Alexander Moir,Michael E.
출원인 / 주소	Chevron U.S.A. Inc.
인용정보	피인용 횟수 : 0 인용 특허 : 32

초록 ▼

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 with an effective catalytic amount of a catalyst comprising highly dispersed gold on a sulfated zirconia, and collecting from the water-gas shift reaction zone an effluent comprising hydrogen and carbon dioxide. The invention also provides a catalyst composition and a method of making the catalyst. In a specific embodiment the invention provides a method for carrying out the water-gas shift reaction in the fuel processor associated with a fuel cell.

대표청구항 ▼

What is claimed is: 1. A method for making hydrogen comprising contacting in a water-gas shift zone a feed comprising carbon monoxide and water, under water-gas shift conditions, with a catalyst comprising highly dispersed gold on sulfated zirconia, and collecting from the water-gas shift reaction zone an effluent comprising hydrogen and carbon dioxide. 2. The method of claim 1 wherein the water-gas shift conditions are high temperature shift conditions. 3. The method of claim 1 wherein the water-gas shift conditions are low temperature shift conditions. 4. The method of claim 1 wherein the catalyst comprises at least 0.02 wt. % sulfur based on the weight of zirconia. 5. The method of claim 1 wherein the catalyst comprises at least 0.001 wt. % gold based on the weight of zirconia. 6. The method of claim 5 wherein the catalyst comprises between 0.1 and 3.0 wt % gold based on the weight of zirconia. 7. The method of claim 1 wherein the catalyst before activation has at least 90% of the gold dispersed in particles of less than 10 angstroms when measured by TEM. 8. The method of claim 1 wherein the catalyst comprises between 0.02 and 2.5 wt % sulfur based on the weight of zirconia. 9. The method of claim 1 wherein the water-gas shift conditions comprise both high temperature and low temperature shift conditions at different points in the water-gas shift reaction zone. 10. A method of making hydrogen, comprising: a) passing a feed comprising CO and water over a catalyst comprising gold on sulfated zirconia at high temperature water-gas shift conditions to produce a first effluent having a reduced CO content; and b) passing at least a portion of said first effluent over a catalyst comprising gold on sulfated zirconia at low temperature water-gas shift conditions to produce a second effluent comprising hydrogen and carbon dioxide. 11. The method of claim 10 wherein the first effluent has a CO content of between 1 and 10 wt %, and the second effluent has a CO content of less than 0.2 wt %. 12. The method of claim 10 wherein the high temperature water-gas shift conditions comprise a temperature of between 250 and 450° C., and the low temperature water-gas shift conditions comprise a temperature of between 100 and 250° C. 13. The method of claim 10 wherein step a) and step b) occur in the same reactor. 14. A method for carrying out the water-gas shift reaction in the fuel processor associated with a fuel cell which comprises contacting in a water-gas shift reaction zone a feed comprising carbon monoxide and water under water-gas shift conditions with an effective catalytic amount of a catalyst comprising highly dispersed gold on sulfated zirconia, and collecting from the water-gas shift reaction zone an effluent containing a significantly reduced amount of carbon monoxide as compared to the feed. 15. The method of claim 14 wherein the water-gas shift conditions comprise both high temperature and low temperature shift conditions at different points in the water-gas shift reaction zone.

이 특허에 인용된 특허 (32)

Georges Szabo FR; Pedro Nascimento FR; Alain Milan FR; Sebastien Decker FR; Joeri Denayer BE; Jean-Pierre Dath BE, Acid catalyst with a sulfated zirconia base and its uses.
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Szabo Georges,FRX ; Nascimento Pedro,FRX ; Milan Alain,FRX ; Decker Sebsastien,FRX, Acid catalyst with a sulfated zirconia base and its uses.
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Elliott Douglas C. (Richland WA) Sealock ; Jr. L. John (West Richland WA) Hallen Richard T. (Richland WA), Ammonia-based catalyst for water-gas shift reaction.
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Sauvion GuyNol (Chevilly Larue FRX) Caillod Jack (Taverny FRX), CO+H₂O catalytic conversions.
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Nagamiya Kiyomi,JPX ; Yamashita Masashi,JPX ; Maeda Iwao,JPX ; Yamaoka Masaaki,JPX ; Taki Masayoshi,JPX ; Aoyama Satoshi,JPX ; Araki Yasushi,JPX, Carbon monoxide reducing device for reducing carbon monoxide in a reformate gas.
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Chinchen Godfrey C. (Stockton-on-Tees GB2), Carbon monoxide shift process.
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Sambrook Rodney M. (Sheffield GB2), Catalyst and method of making a precursor for the catalyst.
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Schneider Michael,DEX ; Kochloefl Karl,DEX ; Maletz Gerd J.,DEX ; Ladebeck Jurgen,DEX ; Heinisch Christoph,DEX, Chromium-free catalyst based on iron oxide for conversion of carbon monoxide.
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Childress, Robert; Farrell, John R.; Leimbach, Wendell B.; Marshall, James W., Compact fuel processor.
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Pettit William Henry, Fuel cell system combustor.
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Pettit William Henry, Fuel cell system with combustor-heated reformer.
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Zoeller, Joseph Robert; Singleton, Andy Hugh; Tustin, Gerald Charles; Carver, Donald Lee, Gold based heterogeneous carbonylation catalysts.
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Stevens, James F., Integrated fuel processor, fuel cell stack, and tail gas oxidizer with carbon dioxide removal.
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Fukunaga Tetsuya,JPX ; Sugimoto Michio,JPX ; Innes Robert A., L-type zeolite catalyst.
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Chinchen Godfrey C. (Stockton-on-Tees GB2), Low temperature shift conversion process.
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Baumann, Frank; Wieland, Stefan, Method for catalytic conversion of carbon monoxide in a hydrogen-containing gas mixture.
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Borup, Rodney L.; Pettit, William H., Method for operating a combination partial oxidation and steam reforming fuel processor.
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Heil Dietmar,DEX ; Strobel Barbara,DEX ; Wiesheu Norbert,DEX ; zur Megede Detlef,DEX ; Benz Uwe,DEX, Method for selective catalytic oxidation of carbon monoxide.
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Rajaram Raj R.,GBX ; Hayes John W.,GBX ; Ansell Graham P.,GBX ; Hatcher Helen A.,GBX, Method of using catalyst containing noble metal and cerium dioxide.
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Schi첩dt,Niels Christian; Nielsen,Poul Erik H첩jlund; Lehrmann,Peter, Process and catalyst for treatment of synthesis gas.
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Abdo Suheil F. ; DeBoy Cynthia A. ; Schroeder Geralyn F., Process for carbon monoxide preferential oxidation for use with fuel cells.
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Tonkovich, Anna Lee; Simmons, Wayne W.; Jarosch, Kai Tod Paul; Mazanec, Terry; Daymo, Eric; Peng, Ying; Marco, Jennifer Lynne, Process for conducting an equilibrium limited chemical reaction in a single stage process channel.
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Richard William Wegman ; David Michael Minahan ; William J. Bartley ; Chinsoo Stephen Lee ; David McNeill Somerville, Process for preparing oxygenates and catalysts therefor.
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Andrew Mark Ward GB, Process for the production of hydrogen.
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Jahnke Frederick Charles, Production of H.sub.2 -rich gas.
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Jahnke Frederick C. (Rye NY), Production of H₂-rich gas.
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Robin Allen M. (Anaheim CA) Child Edward T. (Tarrytown NY), Production of hydrogen-rich gas.
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Hu X. D. ; Wagner Jon P., Promoted and stabilized copper oxide and zinc oxide catalyst and preparation.
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Ronald G. Silver, Shift converter having an improved catalyst composition, and method for its use.
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Tauster Samuel J. (Englishtown NJ) Rabinowitz Harold N. (Upper Montclair NJ) Dettling Joseph C. (Howell NJ), Three-way conversion catalyst including a ceria-containing zirconia support.
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Buswell Richard F. (Glastonbury CT) Clausi Joseph V. (Portland CT) Louie Craig (Vancouver CAX), Two-stage water gas shift conversion method.
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Gavin P. Towler ; Kurt M. Vanden Bussche, Water gas shift process for purifying hydrogen for use with fuel cells.
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