OXIDATIVE DEHYDROGENATION OF PROPANE ON VANADATE CATALYSTS SUPPORTED ON VARIOUS METAL HYDROXYAPTITES

Shigeru Sugiyama; Naoto Sugimoto; Yuuki Hirata; Keizo Nakagawa; Ken-Ichiro Sotowa

doi:10.3363/prb.22.13

Shigeru Sugiyama, Naoto Sugimoto, Yuuki Hirata, Keizo Nakagawa, Ken-Ichiro Sotowa

著者情報

キーワード: Hydroxyapatite supports, Vanadate catalysts, Oxidative dehydrogenation, Propane

ジャーナルフリー

2008 年 22 巻 p. 13-16

DOI https://doi.org/10.3363/prb.22.13

詳細

抄録

The oxidative dehydrogenation of propane was investigated on vanadate catalysts supported on barium hydroxyapatite (VOx/BaHAp). The catalytic activities on VOx/BaHAp were compared to those on vanadate catalysts supported on calcium and strontium hydroxyapatites (VOx/CaHAp and VOx/SrHAp, respectively). The order of the activity was followed as VOx/SrHAp>VOx/CaHAp>VOx/BaHAp under the same reaction conditions. The results obtained from the reduction with H2 followed by the re-oxidation of those two supported catalysts reveal that a stronger interaction of vanadate with SrHAp than that with BaHAp affected the redox nature of vanadates on those two supports, resulted in the greater activity on VOx/SrHAp

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