Fundamental Aspects of Calciothermic Process to Produce Titanium

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Calciothermic reduction incorporated with electrolytic reclamation of calcium in a single reactor is a new method for extracting titanium from its oxide. Titanium dioxide is typically reduced in molten calcium chloride by calcium existing in this medium as soluble state, not by elemental calcium, to give also soluble calcium oxide and isolated granular sponge titanium to be recovered. This soluble calcium is reproduced simultaneously by electrolyzing the dissolved calcium oxide in the vicinity of the reduction zone of the reactor. In this paper, an outline of this advanced reactor is demonstrated especially from physico-chemical points of view with regard to the following items: (1) Thermochemistry of the CaCl<SUB>2</SUB>-CaO-Ca melt, (2) The electrolytic dissolution of calcium into molten calcium chloride. (3) Measure of impurities control, (4) Calciothermic reduction of titanium dioxide in molten calcium chloride.

収録刊行物

  • Materials transactions

    Materials transactions 45(5), 1660-1664, 2004-05-20

    公益社団法人 日本金属学会

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各種コード

  • NII論文ID(NAID)
    10013071734
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    6951502
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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