Research progress on modification of Cu-based catalysts in methyl acetate hydrogenation to ethanol
Methyl acetate hydrogenation to ethanol is an important step in the indirect synthesis route of ethanol from syngas.Catalyst development is the key and Cu-based catalysts are mainly used in industry.The catalytic performances of Cu-based catalysts are closely related to their microstructure.The structure modulation of catalysts can effectively adjust their catalytic performances.The research progress of Cu-based catalysts in methyl acetate hydrogenation to ethanol was reviewed,and the effects of modulation strategies on the catalytic performance were summarized,including introducing additives,modifying carriers,optimizing preparation methods and designing special structures.On this basis,developing efficient and stable Cu-based catalysts for methyl acetate hydrogenation to ethanol at low temperature and low hydrogen/ester mole ratio was prospected.
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