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The oxidation of carbon monoxide at ambient temperature over mixed copper-silver oxide catalysts

Taylor, Stuart Hamilton and Rhodes, C. 2006. The oxidation of carbon monoxide at ambient temperature over mixed copper-silver oxide catalysts. Catalysis Today 114 (4 SPEC) , pp. 357-361. 10.1016/j.cattod.2006.02.073

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Abstract

Cu2Ag2O3 has been prepared by a precipitation method and evaluated for ambient temperature carbon monoxide oxidation. The Cu2Ag2O3 catalyst demonstrated appreciable activity and a relationship with preparation ageing time was observed. An ageing time of 4 h produced a catalyst with the highest oxidation performance. The catalyst precursor materials, prepared by drying at room temperature, displayed initial high activity, which decreased with time on line. The precursors were transformed during CO oxidation to form the mixed oxide Cu2Ag2O3 as the material was dried in situ. A comparison of the catalytic activity has been made with a representative sample of a high activity hopcalite, mixed copper/manganese oxide catalyst. On the basis of CO oxidation rate data corrected for the effect of catalyst surface area the Cu2Ag2O3, aged for 4 h was at least as active as the hopcalite catalyst. © 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Catalysis; Cobalt; Copper; Low temperature effects; Oxidation; Precipitation (chemical); Silver; Temperature measurement, Catalyst precursor materials; Cu2Ag2O3; Oxidation low temperature; Room temperature, Carbon monoxide
Additional Information: cited By (since 1996) 2
Publisher: Elsevier BV
ISSN: 09205861
Last Modified: 04 Jun 2017 02:10
URI: http://orca.cf.ac.uk/id/eprint/10271

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