Oxidative Dehydrogenation of Propane to Propene over Mesoporous Alumina-Supported Vanadium Oxide Catalyst

doi:10.3724/SP.J.1088.2010.00463

Abstract

Abstract: Mesoporous alumina-supported vanadia catalyst (V/m-Al2O3) samples with different vanadium contents were prepared by the impregnation method and tested in the oxidative dehydrogenation of propane. The catalyst samples were characterized by N2 adsorption-desorption, transmission electron microscopy, X-ray powder diffraction, UV-Vis diffuse reflectance spectroscopy, H2 temperature-programmed reduction, and NH3 temperature-programmed desorption. The results showed that the support possessed 2D hexagonal mesostructure, large surface area, and narrow pore size distribution. Suitable loading of vanadia led to high dispersion of vanadium species and weak acidity of the catalyst, which improved the propane conversion and propene selectivity. V/m-Al2O3 also exhibited better catalytic performance than the vanadia-incorporated mesoporous alumina prepared by a co-synthesis method and ?-Al2O3-supported vanadia by an impregnation method.

Key words: mesoporous alumina, vanadia, propane, oxidative dehydrogenation, propene

WANG Yu, XIE Songhai, YUE Bin*, FENG Sujiao, HE Heyong*. Oxidative Dehydrogenation of Propane to Propene over Mesoporous Alumina-Supported Vanadium Oxide Catalyst[J]. Chinese Journal of Catalysis, 2010, 31(8): 1054-1060.

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URL: https://www.cjcatal.com/EN/10.3724/SP.J.1088.2010.00463

https://www.cjcatal.com/EN/Y2010/V31/I8/1054

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Oxidative Dehydrogenation of Propane to Propene over Mesoporous Alumina-Supported Vanadium Oxide Catalyst

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