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Oxidation of carbon monoxide on platinum-antimony oxide catalysts

✍ Scribed by S. Fuchs; H.-G. Lintz; B. Delmon

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
322 KB
Volume
94
Category
Article
ISSN
0926-860X

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✦ Synopsis

The oxidation of carbon monoxide on different Pt-Sb204 catalysts has been studied in the temperature range 60 < O/Β° C < 140. The oxygen partial pressure was kept constant at 60 mbar, the partial pressures of carbon monoxide varied in the interval 0.01 < Pco/mbar < 10. The results show that, in contrast to Pt-SnQ catalysts, a synergistic effect seems to be improbable. No indications of a special effect of oxygen spillover (e.g. remote control) could be observed.

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## Abstract __H~1~ mesoporous platinum surfaces formed by electrodeposition from lyotropic liquid crystalline templates have high electroactive surface areas (up to 60 m^2^ g^βˆ’1^) provided by the concave surface within their narrow (β‰ˆ2 nm diameter) pores. In this respect, they are fundamentally dif