In Situ Monitoring of the Oxygen Activity on a Mg2V2O7 Catalyst during the Oxidative Dehydrogenation of Propane

Chinese Journal of Catalysis ›› 2009, Vol. 30 ›› Issue (5): 375-377.

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In Situ Monitoring of the Oxygen Activity on a Mg2V2O7 Catalyst during the Oxidative Dehydrogenation of Propane

JI Baofeng1,2, WANG Jibo1,2, CHU Wenling1, ZHU Xuefeng1, YANG Weishen1,*, LIN Liwu1

1State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China 2Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received:2009-05-25 Online:2009-05-25 Published:2013-02-05

Abstract

Abstract: Oxygen activity oscillations were observed by a solid state electrolyte potentiometry method on a Mg2V2O7 catalyst at 500 oC in oxidative dehydrogenation of propane. When the catalyst was exposed to different atmospheres, the periods of oscillations were the same, 2.4 s. The adsorption and activation of propane needed 2.4 s, and the reduction and oxidization processes only spent the remanent 0.4 s.

Key words: propane, propene, vanadium and magnesium oxide catalyst, oxygen activity, solid electrolyte potentiometry

JI Baofeng;WANG Jibo;CHU Wenling;ZHU Xuefeng;YANG Weishen;*;LIN Liwu. In Situ Monitoring of the Oxygen Activity on a Mg2V2O7 Catalyst during the Oxidative Dehydrogenation of Propane[J]. Chinese Journal of Catalysis, 2009, 30(5): 375-377.

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In Situ Monitoring of the Oxygen Activity on a Mg2V2O7 Catalyst during the Oxidative Dehydrogenation of Propane

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