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書誌事項

タイトル別名
  • Coal Cleaning by Column Floatation.

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抄録

In under-developing countries as China, coal is mainly used as an energy source, considerable amount of which is for daily living use. However it is very difficult to equip a desulphurizer to each personal furnace. The air pollution problem there is now serious and is becoming an environmental problem on earth. If clean coal can be obtained at a coal field, the air pollution problem can be cleared. Recently, column floatation has been paid much attention as a prospective technique to remove minerals including inorganic sulphur from coal at a coal field. In this article, the prospective aspects of the column floatation as a coal cleaning process at a coal field is described putting special emphasis on the possible application in under developing countries. The floatation mechanisms are also illustrated on the basis of recent data of column floatation. It was shown that the coal recovery and ash rejection strongly depend on hydrophobicity of coal particles and that a surrounding flow of each bubble plays a roll in catching particles regardless of its hydrophobicity for the case of high gas feed.

収録刊行物

  • 混相流

    混相流 10 (1), 83-93, 1996

    日本混相流学会

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詳細情報 詳細情報について

  • CRID
    1390282679413855232
  • NII論文ID
    10010960261
  • NII書誌ID
    AN10088286
  • DOI
    10.3811/jjmf.10.83
  • ISSN
    18815790
    09142843
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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