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Issue 7, 2005
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Effect of modifiers on the activity of a Cr2O3/Al2O3 catalyst in the dehydrogenation of ethylbenzene with CO2

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Abstract

Chromium oxide supported on alumina was modified with various transition metal oxides by an incipient wetness method. The effect of modifiers on the activity of 20% Cr2O3/Al2O3 catalyst in the dehydrogenation of EB with CO2 was investigated. The activity is enhanced for ceria and vanadia modified supported chromium oxide catalysts, whereas the activity is decreased for catalysts modified with cobalt, manganese, molybdenum and zinc oxides. Carbon monoxide was detected in the course of the reaction, suggesting that carbon dioxide, which is one of the most important greenhouse gases, could be utilized as a mild oxidant in the oxidative dehydrogenation of ethylbenzene to styrene over unmodified and modified Cr2O3/Al2O3 catalysts.

Graphical abstract: Effect of modifiers on the activity of a Cr2O3/Al2O3 catalyst in the dehydrogenation of ethylbenzene with CO2

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Publication details

The article was received on 26 Apr 2005, accepted on 16 May 2005 and first published on 31 May 2005


Article type: Paper
DOI: 10.1039/B505781G
Citation: Green Chem., 2005,7, 524-528

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    Effect of modifiers on the activity of a Cr2O3/Al2O3 catalyst in the dehydrogenation of ethylbenzene with CO2

    X. Ye, Y. Yue, C. Miao, Z. Xie, W. Hua and Z. Gao, Green Chem., 2005, 7, 524
    DOI: 10.1039/B505781G

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