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Total Hydrogenation of Furfural over a Silica-Supported Nickel Catalyst Prepared by the Reduction of a Nickel Nitrate Precursor

Authors

  • Dr. Yoshinao Nakagawa,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax: (+81) 22-795-7215
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  • Hiroya Nakazawa,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax: (+81) 22-795-7215
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  • Dr. Hideo Watanabe,

    1. Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8573 (Japan)
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  • Prof. Dr. Keiichi Tomishige

    Corresponding author
    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax: (+81) 22-795-7215
    • Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-07 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax: (+81) 22-795-7215
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Abstract

Gas-phase hydrogenation of furfural to tetrahydrofurfuryl alcohol is catalyzed by Ni/SiO2 with <4 nm Ni particle size, which is prepared by the reduction of supported nickel nitrate. The maximum yield is 94 %. The conversion of furfural to the furfuryl alcohol intermediate is less structure-sensitive. The subsequent step in which furfuryl alcohol is converted to tetrahydrofurfuryl alcohol is inhibited by the presence of furfural because furfural is more strongly adsorbed onto the catalyst surface than furfuryl alcohol. This step is strongly structure-sensitive and smaller turnover frequency (TOF) values are observed over Ni/SiO2 catalysts with a larger particle size.

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