The nature of VOx structures in HMS supported vanadium catalysts for non-oxidative propane dehydrogenation

Yuming Li, Xuezhi Yu,Qiyang Zhang,Vita A. Kondratenko,Yajun Wang,Guoqing Cui,Mingxia Zhou,Chunming Xu,Evgenii V. Kondratenko,Guiyuan Jiang

Journal of Catalysis（2022）

引用 10|浏览5

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摘要

•Highly dispersed VOx species showed high apparent TOF value but low C3H6 selectivity.•VOx species in low-polyvanadate form are deemed to be more active and stable in PDH.•VOx-C3H5 species was speculated to be the important intermedia during PDH.•H2 formation is deemed as the rate-limiting step over as-prepared V-HMS.

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关键词

Mesoporous SiO2,Propane dehydrogenation,Propylene,Vanadium,In-situ DRIFTS

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