Promotional Effect of Cr on Catalytic Performance of Fe/γ-Al2O3 for Ethylbenzene Dehydrogenation in the Presence of N2O

Shu Wei Chen; Xiao Fei Jia; Xing Yu Cui; Rui Feng Li

doi:10.4028/www.scientific.net/AMR.361-363.932

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 361-363Promotional Effect of Cr on Catalytic Performance...

Promotional Effect of Cr on Catalytic Performance of Fe/γ-Al₂O₃ for Ethylbenzene Dehydrogenation in the Presence of N₂O

Abstract:

This work shows that N₂O, which causes global warming, could be effectively utilized as a soft oxidant in the oxidative dehydrogenation of ethylbenzene over alumina-supported iron oxide catalysts. The modification of the catalytically active iron oxide component with appropriate amounts of chromium oxide led to higher styrene yield (48.1%) with high styrene selectivity ( > 90%) at 500 °C and suppressed the catalyst deactivation for EB dehydrogenation under N₂O. The improved catalytic behavior was attributed to the enhanced dispersion and redox properties of iron active species.

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Periodical:

Advanced Materials Research (Volumes 361-363)

Pages:

932-935

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.361-363.932

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Online since:

October 2011

Authors:

Shu Wei Chen, Xiao Fei Jia, Xing Yu Cui, Rui Feng Li

Keywords:

Chromium, Ethylbenzene Dehydrogenation, Iron, N₂O, Styrene

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