Catalyst for carbon monoxide removal and method of removing...

B - Operations – Transporting – 01 – D

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B01D 53/86 (2006.01) B01J 23/52 (2006.01) B01J 29/12 (2006.01)

Patent

CA 2575482

A method of efficiently removing carbon monoxide over long in which both carbon dioxide and water are removed from a gas to be treated to thereby effectively inhibit a gold nanoparticle catalyst from being deactivated. Also provided is a catalyst for carbon monoxide removal which comprises: a gold nanoparticle catalyst comprising a metal oxide and deposited thereon gold particles having an average particle diameter of 25 nm or smaller; and an agent for the removal of carbon dioxide and water. The method for removing carbon monoxide from a gas containing carbon monoxide is characterized by treating a gas containing carbon monoxide with a gold nanoparticle catalyst comprising a metal oxide and deposited thereon gold particles having an average particle diameter of 25 nm or smaller and with an agent for the removal of carbon dioxide and water.

Le procédé décrit permet d~extraire efficacement pendant longtemps le monoxyde de carbone, dans lequel à la fois le dioxyde de carbone et l'eau sont extraits d'un gaz à traiter pour empêcher efficacement un catalyseur à nanoparticules d'or d'être désactivé. Est aussi fourni un catalyseur pour l~extraction du monoxyde de carbone qui comprend : un catalyseur à nanoparticules d'or comprenant un oxyde métallique et déposé sur les particules d'or ayant un diamètre moyen de particule de 25 nm ou moins ; et un agent pour extraire le dioxyde de carbone et l'eau. Le procédé pour extraire le monoxyde de carbone d'un gaz contenant du monoxyde de carbone est caractérisé par le traitement d'un gaz contenant du monoxyde de carbone avec un catalyseur à nanoparticules d'or comprenant un oxyde métallique et déposé sur des particules d'or ayant un diamètre moyen de particules de 25 nm ou moins et avec un agent pour extraire le dioxyde de carbone et l'eau.

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