Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
A Study on the Kinetics and Mechanism of the Oxidation of Carbon Monoxide over Zinc Oxide
Jae Shi ChoiBo Won Kim
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1973 Volume 46 Issue 1 Pages 21-24

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Abstract

A kinetic study on the oxidation reaction of carbon monoxide has been carried out between 260 and 350°C by means of the static method using n-type ZnO semiconductor as a catalyst under various oxygen and carbon monoxide pressure. The order of reaction between 260 and 320°C was found to be 1.5, with dPCO2dt=kPCO·PO21⁄2. The Roginsky-Zeldovitsch equation, dPCO2dt=ke-ap, fits well at 350°C. The mechanism of the reaction can be explained by the n-type character of ZnO.

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