Supported CuO/Ce1−x Zr x O2 catalysts for the preferential oxidation of CO in H2-rich gases
- 1 October 2006
- journal article
- Published by Pleiades Publishing Ltd in Kinetics and Catalysis
- Vol. 47 (5), 756-764
- https://doi.org/10.1134/s0023158406050156
Abstract
The catalytic properties of CuO supported on ceria or ceria-zirconia mixed oxides have been investigated in the preferential oxidation of CO in H2-rich gases. CuO/CeO2 shows very high activity towards the oxidation of CO with a light-off temperature of about 70°C. This catalyst is very selective for the oxidation of CO rather than of H2 in the low temperature region (70–120°C), while at higher temperatures, the oxidation of hydrogen begins, causing of a maximum of CO conversion to arise with increasing temperature.Keywords
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