Study on Surface Reaction of CO on Pt/ZrO2-Al2O3 Catalysts
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Abstract
Adsorption-desorption behaviour, surface reaction and catalytic oxidation activity of CO on the Pt/ZrO2-Al2O3 have been investigated by TPD-MS and TPSR-MS techniques.It was shown that adding ZrO2 would remarkably increase CO oxidation activity of Pt/Al2O3. In TPD and TPSR of CO, it was found that the desorbed amount of CO2 and the peak temperature follow the same order as their activities.
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