OXYGEN-ABSORBING NORMAL TEMPERATURE OXIDATION CATALYST AND METHOD FOR REMOVING CO CONTAINED IN HYDROGEN OR THE LIKE

PROBLEM TO BE SOLVED: To provide an oxygen-absorbing normal temperature oxidation catalyst and a method for removing CO contained in hydrogen or the like.SOLUTION: The oxygen-absorbing normal temperature oxidation catalyst is for oxidizing carbon monoxide contained in hydrogen at normal temperature...

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Hauptverfasser: IMANAKA NOBUHITO, MASUI TOSHIYUKI, HOSHI FUMIYUKI, YOKOI TAIJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an oxygen-absorbing normal temperature oxidation catalyst and a method for removing CO contained in hydrogen or the like.SOLUTION: The oxygen-absorbing normal temperature oxidation catalyst is for oxidizing carbon monoxide contained in hydrogen at normal temperature and the oxygen-absorbing normal temperature oxidation catalyst is free from a carrier with high specific surface area such as AlOand contains a Pt-bearing cerium-zirconium-bismuth-compounded oxide produced by adding polyvinylpyrrolidone as a dispersant to water and dissolving it therein. Its production method is provided. There is also provided a method for oxidation-removing carbon monoxide contained in hydrogen or a gas containing hydrogen as a main component or contained in a gas discharged out of a gas consumption device or the like, using the oxygen-absorbing normal temperature oxidation catalyst at normal temperature.