Abstract

Abstract In this study, the effect of methanol on the performance of a combustion-synthesized CuO–CeO 2 catalyst in the preferential CO oxidation (PROX) reaction has been investigated. Methanol acts as an inhibitor of CO and H 2 oxidation. This effect is more evident at high methanol concentrations and in the absence of CO 2 and H 2 O in the feed. Complete CO and methanol removal can be achieved at 200 °C for a realistic reformate stream containing 15% CO 2 , 10% H 2 O and 0.1% MeOH at a contact time of 0.30 g s cm −3 .

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