Abstract
Abstract In this work, the effect of promoter type (Mg, Mn, Ce, Co, Fe and Ni) on selective CO oxidation performance of Au/γ-Al2O3 was studied with the realistic feed stream containing CO2 and H2O. The effects of Au loading, promoter loading, reaction temperature and the feed composition were also investigated. It was found that MgO was the best promoter in the presence of CO2 and H2O, and 1.25 wt.% Mg was sufficient for promotion. The CO conversion decreased with the addition of CO2 while the presence of H2O had some positive effects.
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