Removal of Organic Sulphur in Coal by the Use of Anhydrous HF and Superacid HF/BF3

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  • Kiyoyuki Shimizu
    Energy Resources Department, National Institute for Resources and Environment, AIST16-3 Onogawa, Tsukuba, Ibaraki
  • Ken Shimamura
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of TokyoNoda, Chiba
  • Akira Suganuma
    Department of Industrial Chemistry, Faculty of Science and Technology, Science University of TokyoNoda, Chiba
  • Ikuo Saito
    Energy Resources Department, National Institute for Resources and Environment, AIST16-3 Onogawa, Tsukuba, Ibaraki

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<jats:title>Abstract</jats:title> <jats:p>Anhydrous hydrogen fluoride (HF) and HF combined with a small amount of boron trifluoride(BF3) desulphurized high-sulphur coal in the presence of hydrocarbons without H2 in mild reaction conditions. HF removed mainly sulphidic and oxidized sulphur. HF/BF3 decreased thiophenic sulphur as well as sulphidic and oxidized sulphur although the extent of desulphurization was almost the same as that with HF alone.</jats:p>

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  • Chemistry Letters

    Chemistry Letters 26 (9), 943-944, 1997-09-01

    Oxford University Press (OUP)

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