화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.18, No.2, 808-813, March, 2012
DOI10.1016/j.jiec.2011.10.006  Export Citation
Effect of oxygen capacity and oxygen mobility of supported Mg3(VO4)2 catalysts on the performance in the oxidative dehydrogenation of n-butane
Howon Lee, Jong Kwon Lee, Ung Gi Hong, Yeonshick Yoo1, Young-Jin Cho1, Jinsuk Lee1, Ho-Sik Jang1, Ji Chul Jung2, and In Kyu Song†
  • School of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Shinlim-dong, Kwanak-ku, Seoul 151-744, South Korea
  • 1Samsung Total Petrochemicals Corporation, Daesan 356-711, South Korea
  • 2Department of Chemical Engineering, Myongji University, Yongin 449-728, South Korea
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Vanadium-magnesium oxide (Mg3(VO4)2) catalysts supported on Al2O3, ZrO2, MgO, and CeO2 were prepared by a wet impregnation method, and they were applied to the oxidative dehydrogenation of nbutane. Effect of oxygen capacity and oxygen mobility of supported Mg3(VO4)2 catalysts on the catalytic performance in the oxidative dehydrogenation of n-butane was investigated. Experimental results revealed that large oxygen capacity of the catalyst was favorable for obtaining high catalytic activity at the initial stage of reaction, while facile oxygen mobility of the catalyst led to stable catalytic activity during the catalytic reaction in the oxidative dehydrogenation of n-butane.
Keywords:Oxidative dehydrogenation;n-Butane;Oxygen mobility;Oxygen capacity;Vanadium-magnesium oxide
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