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Synthesis of (VO)2P2O7 catalystsvia exfoliation-reduction of VOPO4·2H2O in butanol in the presence of ethanol

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Abstract

The exfoliation-reduction of VOPO4·2H2O in l-butanol oriso-butanol alone, and in a l-butanol/ethanol oriso-butanol/ethanol mixture, were conducted. Although all precursors were composed of a lamellar compound with intercalated alcohol molecules, VOHPO4·0.5H2O was formed when the exfoliation-reduction process was carried out in the mixed alcohol. All precursors transformed to a single phase of (VO)2P2O7 under the reaction conditions forn-butane oxidation, but the crystallinity of (VO)2P2O7 was different. The catalyst synthesized iniso-butanol/ethanol was well crystalline (VO)2P2O7, and exhibited higher selectivity to maleic anhydride than that synthesized iniso-butanol alone for then-butane oxidation.

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Authors and Affiliations

  1. Research Faculty of Environmental Earth Science, Hokkaido University, 060-0810, Sapporo, Japan

    Hiroyuki Imai, Yuichi Kamiya & Toshio Okuhara

Authors
  1. Hiroyuki Imai
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  2. Yuichi Kamiya
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  3. Toshio Okuhara
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Correspondence to Yuichi Kamiya.

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Imai, H., Kamiya, Y. & Okuhara, T. Synthesis of (VO)2P2O7 catalystsvia exfoliation-reduction of VOPO4·2H2O in butanol in the presence of ethanol. Res. Chem. Intermed. 34, 669–677 (2008). https://doi.org/10.1007/BF03036924

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  • DOI: https://doi.org/10.1007/BF03036924

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