Oxidative Dehydrogenation of Ethylbenzene with CO2 over Iron Oxide-Based Catalysts

Abstract

Abstract: Different states of Fe species in Fe2O3-MgO/Al2O3, Fe2O3/MgAl2O4, and MgFe0.1Al1.9O4 catalysts with the same content of Mg, Fe, and Al showed extremely different catalytic performance in ethylbenzene dehydrogenation with CO2. Highly dispersed Fe2O3 in Fe2O3/MgAl2O4 deactivated rapidly, whereas Fe3+ that incorporated into the spinel framework of MgFe0.1Al1.9O4 exhibited high activity and good stability.

Key words: iron, ethylbenzene, carbon dioxide, oxidative dehydrogenation, styrene

CHEN Guili;CHEN Xin;WANG Xinkui;HE Min;JI Min*;CAI Tianxi. Oxidative Dehydrogenation of Ethylbenzene with CO2 over Iron Oxide-Based Catalysts[J]. Chinese Journal of Catalysis, 2009, 30(7): 619-623.

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Oxidative Dehydrogenation of Ethylbenzene with CO2 over Iron Oxide-Based Catalysts

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