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Enhancement of the activities with feedstream doping by tetrachloromethane in the oxidative dehydrogenation of propane on α-magnesium pyrovanadate

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Abstract

The oxidative dehydrogenation of propane to propylene has been investigated on α-magnesium pyrovanadate (Mg2V2O7) at 723 K in the presence and absence of tetrachloromethane (TCM). Under the present conditions, the conversion of propane and the selectivity to propylene were 5.0 and 74.5%, respectively, in the absence of TCM while those were 14.0 and 70.2%, respectively, upon addition of a small amount of TCM (P(TCM) = 0.34 kPa) into the feedstream on the catalyst. The conversion of propane on Mg2V2O7 without oxidant in the presence and absence of TCM revealed that a contribution of lattice oxygen in the catalyst to the oxidation was strongly controlled by the addition of TCM, resulting in the enhancement of the activity with TCM.

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Authors and Affiliations

  1. Department of Chemical Science and Technology, Faculty of Engineering, The University of Tokushima, Minamijosanjima, Tokushima, 770-8506, Japan

    Shigeru Sugiyama, Yutaka Iizuka, Nobuyuki Fukuda & Hiromu Hayashi

Authors
  1. Shigeru Sugiyama
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  2. Yutaka Iizuka
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  3. Nobuyuki Fukuda
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  4. Hiromu Hayashi
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Sugiyama, S., Iizuka, Y., Fukuda, N. et al. Enhancement of the activities with feedstream doping by tetrachloromethane in the oxidative dehydrogenation of propane on α-magnesium pyrovanadate. Catalysis Letters 73, 137–140 (2001). https://doi.org/10.1023/A:1016633506257

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