Abstract

AbstractExploratory research to develop Rh‐free, “Pt‐only”, automotive catalysts is described. Metal oxides were added as a promoter or co‐catalyst to Pt/SiP2 and the effect of the additive on NO reduction by CO has been studied. In addition, the reaction was studied over the unsupported metal oxides (MO) and Pt/MO catalysts. From the series of metal oxides tested, it is concluded that Co, Fe, Mn, Ti and V oxides show promising results as additives to Pt for the catalysis of NO reduction by CO.

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