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Thermal Plasma Processing for the Production of Pig Iron from Various Sources

机译：从各种来源生产生铁的热等离子体处理

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摘要

Thermal plasma technology is emerging as one of the eco-friendly routes for processing fine wastes from metallurgical and allied industries. In the thermal plasma process, high density of ionic charges makes the uniform heat transfer to the fine material. Availability of very high temperature, high energy flux and plasma state condition in the plasma arc allows the reactions to be completed in short duration. The present paper deals with the use of thermal plasma technology for the production of pig iron from various ore sources. Firstly, the most important application of using iron ore fines has been discussed and some of the results are presented for recovery of iron to the extent of 95% from low grade iron ore fines. Secondly, pig iron obtained from secondary sources i.e ilmenite and red mud (waste generated from aluminum industry) by thermal plasma has been discussed and results are presented. Finally the need for proper development of an integrated technology for the use of different raw material sources for making pig iron is emphasized in the context of utilization of low grade and off grade iron ores.
机译：热等离子体技术正在成为处理冶金和相关行业的精细废物的环保途径之一。在热等离子体工艺中，高密度的离子电荷使热量均匀地传递到细小材料上。等离子弧中具有非常高的温度，高能量通量和等离子状态，可以在短时间内完成反应。本文涉及利用热等离子体技术从各种矿石来源生产生铁。首先，讨论了使用铁矿粉的最重要应用，并提出了一些结果，可从低品位铁矿中将铁的回收率提高到95％。其次，讨论了通过热等离子体从二次来源即钛铁矿和赤泥（铝工业产生的废物）中获得的生铁，并给出了结果。最后，在利用低品位和不品位铁矿石的背景下，强调了适当开发集成技术以使用不同原材料来生产生铁的需求。

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  • 作者

    K. Jayasankar; S. Mohapatra; S.K. Routray; J.L. Gumaste; P.S. Mukherjee;

  • 作者单位

    Institute of Minerals and Materials Technology Council of Scientific and Industrial Research, Bhubaneswar 751 013, India;

    Institute of Minerals and Materials Technology Council of Scientific and Industrial Research, Bhubaneswar 751 013, India;

    Institute of Minerals and Materials Technology Council of Scientific and Industrial Research, Bhubaneswar 751 013, India;

    Institute of Minerals and Materials Technology Council of Scientific and Industrial Research, Bhubaneswar 751 013, India;

    Institute of Minerals and Materials Technology Council of Scientific and Industrial Research, Bhubaneswar 751 013, India;

  • 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

    plasma smelting; red mud; ilmenite;

    机译：等离子熔炼红泥钛铁矿;

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