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Copper Removal from Molten Steel with FeS-Na_2S Slag

机译：FeS-Na_2S熔渣去除钢水中的铜

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摘要

Copper removal from molten steel to FeS-Na_2S slag has been studied at 1853K. The mass percentage (mass %) of carbon in steel samples is 0.18. For comparison, the copper removal experiments were also performed in molten iron whose carbon content (mass %) is 4.7. It is found that with the same slag composition, the final copper content in molten iron is much lower than that in molten steel, which implies that the copper removal is more effective in molten iron. The analysis suggests that this phenomenon may originate from the high activity coefficient of copper in molten iron, which is caused by the high carbon content. To improve the copper removal effect in molten steel, more slag was added. And the copper removal ratio can reach 48.09% when the weight ratio of slag/steel is 20%. This result may be acceptable for the industrial purpose.
机译：从1853K开始研究了从钢水中去除FeS-Na_2S炉渣中的铜。钢样品中碳的质量百分比（质量％）为0.18。为了进行比较，还对碳含量（质量％）为4.7的铁水进行了除铜实验。发现在相同的炉渣成分下，铁水中的最终铜含量比钢水中的最终铜含量低得多，这表明铜的去除对铁水更有效。分析表明，这种现象可能是由于高碳含量引起的铁水中铜活度系数高所致。为了提高钢水中的除铜效果，添加了更多的炉渣。炉渣/钢的重量比为20％时，除铜率可达到48.09％。该结果对于工业目的是可以接受的。

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  • 来源
    《High temperature materials and processes》 |2009年第2期|67-71|共5页
  • 作者

    Kong Hui; Wang JianJun; Guo Shangxing; Zhou Li; Li Jie;

  • 作者单位

    School of Metallurgy and Resources, Anhui University of Technology, Maanshan, Anhui, 243002, PR China;

    School of Metallurgy and Resources, Anhui University of Technology, Maanshan, Anhui, 243002, PR China;

    School of Metallurgy and Resources, Anhui University of Technology, Maanshan, Anhui, 243002, PR China;

    School of Metallurgy and Resources, Anhui University of Technology, Maanshan, Anhui, 243002, PR China;

    School of Metallurgy and Resources, Anhui University of Technology, Maanshan, Anhui, 243002, PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    copper removal; steel; thermodynamic properties;

    机译：铜去除钢;热力学性质;

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