Role of active oxygen species in Fe-doped ZrO2 catalyst during CO2 assisted ethane dehydrogenation reaction

Yingbin Zheng,Xinbao Zhang,Junjie Li,Jie An,Xiangxue Zhu,Xiujie Li

Journal of Catalysis（2023）

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摘要

•The active oxygen species content in catalysts determined their CO2-ODH activities.•Fe-doping greatly increased active oxygen species through ZrO2 phase transition.•CO2 could supplement active oxygen species in the stable period.•Coke layers inhibited the replenishment of active oxygen species from CO2.

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关键词

Fe-doped ZrO 2, Phase transition, Active oxygen species, CO 2 assisted ethane dehydrogenation, MvK mechanism

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