Abstract

The effect of preparation methods on the structure and catalytic behavior of Cu/ZnO/Al 2O 3 catalysts for methanol synthesis from hydrogenation of carbon dioxide has been studied. The Cu/ZnO/Al 2O 3 ultrafine catalysts obtained by a novel gel-coprecipitation process exhibited higher catalytic activity for the synthesis of methanol from CO 2 + H 2. The results showed that isomorphous substitution took place between copper and zinc in the precipitates prepared by the novel process. Preparation methods have a significant influence on the structure of the catalyst and catalytic activity for methanol synthesis from hydrogenation of carbon dioxide.

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