Patent ID: 6589493
Filing Date: 2003-07-08
Classification: B01D,B01J,C10K,F25J,Y02C,Y02P

Abstract:
A method of treating a gas containing carbon monoxide and/or hydrogen, comprising:contacting the gas with a gas purification-treating agent in the presence of oxygen; reacting carbon monoxide and/or hydrogen with oxygen to carbon dioxide and water; and adsorbing the carbon dioxide and the water simultaneously, the agent comprising (i) a catalyst being a metal or metal compound which activates oxidation reaction of carbon monoxide and/or hydrogen, and (ii) a carrier of the catalyst being an adsorbent which adsorbs carbon dioxide and water, wherein the metal or metal compound is at least one selected from an Au-on-metal oxide, an Au-on-metal hydroxide and an Au colloidal powder.