含亜鉛スラグへの鉛の化学的溶解 Chemical Dissolution of Lead in Slags Containing Zinc

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For the purpose of determining the amount of chemically dissolved lead in ISF slag, molten lead was equilibrated with molten slag containing several mass% of zinc in a magnesia crucible under partial pressures of zinc vapor and oxygen. The partial pressures were controlled by utilizing the equilibrium reaction between a CO-CO 2 gas mixture and Zn 2 SiO4 . From the results, the solubility of lead in the ISF slag was obtained as a function of the oxygen partial pressure and temperature as follows : The amount of chemically dissolved lead in the actual slag tapped at 1,523 K, for example, was calculated to be 0.10 - 0.26 mass% from available oxygen partial pressure data of the slag. Also, from the activity coefficient of zinc oxide in the slag, the equilibrium zinc vapor pressure from the actual slag at the hearth of the ISF was estimated to be 0.64 - 0.95 atm, which seems to meet the stable operating condition of the ISF.

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  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan  

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 114(10), 721-725, 1998-09-25 

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002468121
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4574119
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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