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Green chemistry

Biodiesel made with sugar catalyst

Naturevolume 438page178 (2005) | Download Citation



The production of diesel from vegetable oil calls for an efficient solid catalyst to make the process fully ecologically friendly. Here we describe the preparation of such a catalyst from common, inexpensive sugars. This high-performance catalyst, which consists of stable sulphonated amorphous carbon, is recyclable and its activity markedly exceeds that of other solid acid catalysts tested for ‘biodiesel’ production.

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  1. Chemical Resources Laboratory, Tokyo Institute of Technology, Yokohama, 226-8503, Japan

    • Masakazu Toda
    • , Atsushi Takagaki
    • , Mai Okamura
    • , Junko N. Kondo
    •  & Michikazu Hara
  2. Research Institute of Instrumentation Frontier, National Institute of Advanced Industrial Science and Technology, Tsukuba, 305-8565, Ibaraki, Japan

    • Shigenobu Hayashi
  3. Department of Chemical System Engineering, School of Engineering, University of Tokyo, Bunkyo-ku, Tokyo, 113-8656, Japan

    • Kazunari Domen


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The authors declare no competing financial interests.

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Correspondence to Michikazu Hara.

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