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首页> 外文会议>The 2nd International symposium on clean steel >Desulphurization of Hot Metal and Ferronickel With Calcium Aluminate Fluxes
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Desulphurization of Hot Metal and Ferronickel With Calcium Aluminate Fluxes

机译：铝酸钙熔剂对铁水和镍铁的脱硫

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摘要

Traditionally, fluxes containing calcium fluoride and other additives are used for the treatment of hot metal and molten steel. Recently, magnesium powder or lime-Mg mixture is used more popularly in hot metal desulphurization. However, the use of calcium fluoride has been restricted due to environmental concerns, and the supply of magnesium is uncertain for the countries, which are short of magnesium resource. For those reasons, calcium aluminate fluxes are a possible alternative to replace slags containing calcium fluoride or magnesium. Calcium aluminate fluxes can be produced from three different raw materials: (1) high-quality bauxite, (2) residuals from aluminum dross treatment processes and (3) waste products from alumina production. Due to the limited amount and high cost associated with high-quality bauxite, the other two sources are preferred based on both economic and environmental considerations. The objective of this paper is to examine the use of waste slags and by-products from the aluminum industry as potential refining fluxes for the steel industry so that waste disposal from the aluminum industry can be reduced with economical and environmental benefits for both industrial sectors.
机译：传统上，含有氟化钙和其他添加剂的焊剂用于处理铁水和钢水。近来，镁粉或石灰-镁混合物被广泛用于铁水脱硫中。但是，由于环境问题，氟化钙的使用受到限制，镁资源短缺的国家不确定镁的供应。由于这些原因，铝酸钙助熔剂可以替代含氟化钙或镁的炉渣。铝酸钙助熔剂可以用三种不同的原料生产：（1）优质铝土矿；（2）铝渣处理过程中的残留物；（3）氧化铝生产中的废品。由于与高质量铝土矿相关的数量有限且成本高昂，因此从经济和环境角度考虑，首选其他两种来源。本文的目的是检验将铝工业产生的废渣和副产品用作钢铁行业的潜在精炼助剂，以便减少铝工业产生的废物，并为两个工业部门带来经济和环境效益。

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  • 来源
  • 会议地点 Shenyang(CN)
  • 作者

    YANG Yin-dong; GAOFeng; ZHANG Gui-Fang; McLEANAlex; BARATI Mansoor;

  • 作者单位

    Department of Material Science and Engineering, University of Toronto, Ontario, Canada, M5S 3E4;

    Department of Material Science and Engineering, University of Toronto, Ontario, Canada, M5S 3E4;

    Department of Material Science and Engineering, University of Toronto, Ontario, Canada, M5S 3E4 Institute of Applied Technology, Kunming University of Science and Technology, Kunming.China, 650093;

    Department of Material Science and Engineering, University of Toronto, Ontario, Canada, M5S 3E4;

    Department of Material Science and Engineering, University of Toronto, Ontario, Canada, M5S 3E4;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 炼钢;
  • 关键词

    calcium aluminate; environmental concern; ferronickel; hot metal desulphurization;

    机译：铝酸钙;环境问题；镍铁铁水脱硫;

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