Highly dispersed metal catalysts

A catalyst and metal technology, applied in the field of highly dispersed metal catalysts, can solve the problems of expensive, expensive equipment, difficult to scale up, etc.
CN101356004AInactive Publication Date: 2009-01-28AGENCY FOR SCI TECH & RES
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
AGENCY FOR SCI TECH & RES
Publication Date
2009-01-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a novel method for preparing a new type of catalyst for the oxidation of CO in a reactant gas or air. The method provides the preparation of a catalyst having nano-sized metal particles and a capping agent deposited on a solid support. The size and distribution of the metal particles can be easily controlled by adjusting reaction condition and the capping agent used. The catalyst prepared has high activity at low temperature toward selective oxidation of CO and is stable over an extended period of time. The catalyst can be used in air filter devices, hydrogen purification processes, automotive emission control devices (decomposition of NOx, x is the integer 1 or 2), F-T synthesis, preparation of fuel-cell electrode, photocatalysis and sensors.
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Description

[0001] Cross References to Related Applications

[0002]

[001] This application claims priority to US Provisional Patent Application 60 / 736,259, filed November 14, 2005, which is hereby incorporated in its entirety for all purposes. Background of the invention

[0002] Nanotechnology has had a huge impact on the materials, microelectronics, computing, pharmaceutical, medical, environmental, energy and chemical industries. Nanocatalysts are an important part of nanotechnology that has found increasing commercial applications. Suitable areas include pollution and emission control technologies such as de-pollution from vehicles, catalytic removal of volatile organic compounds (VOCs) from indoor environments, and cryogenic air purification. Applications include, for example, use of mask filters to burn CO at room temperature, chemical processing of many large and specialized chemicals, sensors to detect toxic or flammable gases or substances in solution, and emerging clean hydrog...

Claims

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