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One-Pot Conversion of Sugar and Sugar Polyols to n-Alkanes without C[BOND]C Dissociation over the Ir-ReOx/SiO2 Catalyst Combined with H-ZSM-5

Authors

  • Dr. Kaiyou Chen,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
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  • Dr. Masazumi Tamura,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
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  • Dr. Zhenle Yuan,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
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  • Dr. Yoshinao Nakagawa,

    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
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  • Prof. Dr. Keiichi Tomishige

    Corresponding author
    1. Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
    • Department of Applied Chemistry, School of Engineering, Tohoku University, 6-6-7 Aoba, Aramaki, Aoba-ku, Sendai 980-8579 (Japan), Fax:(+81) 227957214
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Abstract

High (≥95 % C) yields of n-hexane and n-pentane were obtained by hydrogenolysis of aqueous sorbitol and xylitol, respectively, at 413–443 K by using the Ir-ReOx/SiO2 catalyst combined with H-ZSM-5 as a cocatalyst and n-dodecane as a cosolvent. The direct production of n-hexane from glucose or cellobiose can be achieved by using the same system. The catalyst can be reused simply by the removal of the n-dodecane phase, which contains the product alkane, and the addition of fresh n-dodecane and substrate.

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