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Chemcial Industry and Engineering 2017, Vol. 34 Issue (6) :11-17    DOI: 10.13353/j.issn.1004.9533.20161090
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Roles of the Support Polarity Ratio on Cu/ZnO Catalysts for Methyl Acetate Hydrogenation
Liao Junyu, Zhao Yujun, Wang Shengping, Ma Xinbin
Key Lab for Green Chemical Technology of Ministry of Education, School of Chemical Engineering andTechnology, Tianjin University, Tianjin 300072, China

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Abstract 

Parent ZnO with different polarity ratios were synthesized by hydrothermal method, and used as a component in Cu/ZnO catalysts. Samples were systematically characterized by N2-adsorption, SEM, TPR, XPS, XRD, ICP-OES, and N2O titration. The characterization showed that the samples had similar textural properties and dispersion behaviors, and polarity ratio strongly influenced the catalytic performance. As polarity ratio decreased, the conversion of MA increased and then declined. A higher polarity ratio facilitated Cu-ZnOx species, which was attributed to more ZnOx oxygen vacancies and a stronger interaction between copper and polar ZnO facet.

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Articles by authors
Liao Junyu
Zhao Yujun
Wang Shengping
Ma Xinbin
Keywordsmethyl acetate;   ethanol;   hydrogenation;   Cu/ZnO catalysts;   polarity ratio     
Received 2016-05-03;
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Liao Junyu, Zhao Yujun, Wang Shengping, Ma Xinbin.Roles of the Support Polarity Ratio on Cu/ZnO Catalysts for Methyl Acetate Hydrogenation[J]  Chemcial Industry and Engineering, 2017,V34(6): 11-17
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