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Experimental Investigation on Reduction Kinetics of Stainless Steel-Making Slag in Iron Bath Smelting Reduction

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6th International Symposium on High-Temperature Metallurgical Processing

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Abstract

Reduction kinetics of stainless steel slag in iron bath smelting reduction was studied at the temperature of 1500°C ∼ 1650°C. It was concluded that the reduction process consisted of two parts. That is to say smelting reduction was controlled by stainless steel slag melting initially and by interface reaction later. In order to increase smelting reaction rate, the melting point of slag should be decreased at the first stage and adjust the liquidity of slag at later stage. Smelting reaction rate will be accelerated by means of optimize the slag content. The optimal reduction result that all most all of the chromium in slag been recovered was obtained in temperature was 1500°C, basicity of slag was 1.0∼1.2, the value of Al2O3+MgO was 25%.

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Author information

Authors and Affiliations

  1. Shanghai Key Laboratory of Modern Metallurgy & Materials Processing, No.609 South Yuntan Road Guanshanhu District, Guiyang, China

    Bo Zhang & Xin Hong

  2. Guiyang Vocational and Technical College, No.609 South Yuntan Road Guanshanhu District, Guiyang, China

    Bo Zhang, Jienan Liu, Yanfeng Yang, Luming Liu, Jiechao Liu, Lijian Luo & Yubao Ma

  3. Shanghai University, Room 417 Building Rixin Shanghai University NO.149 Yanchang Road, Shanghai, China

    Xin Hong

Authors
  1. Bo Zhang
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  2. Jienan Liu
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  3. Yanfeng Yang
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  4. Luming Liu
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  5. Jiechao Liu
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  6. Lijian Luo
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  7. Yubao Ma
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  8. Xin Hong
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Editor information

Editors and Affiliations

  1. School of Minerals Processing & Bioengineering, Central South University, China

    Tao Jiang (dean) (dean)

  2. Materials Science and Engineering, Michigan Technological University, USA

    Jiann-Yang Hwang B.S., M.S., Ph.D. (Professor, Chief Energy and Environment Advisor) (Professor, Chief Energy and Environment Advisor)

  3. Wuhan Iron and Steel Group Company, China

    Jiann-Yang Hwang B.S., M.S., Ph.D. (Professor, Chief Energy and Environment Advisor) (Professor, Chief Energy and Environment Advisor)

  4. Extractive and Processing Division, The Minerals, Metals & Materials Society (TMS), USA

    Gerardo R. F. Alvear F. Ph.D. (chair of the Pyrometallurgy Committee, TMS representative) (chair of the Pyrometallurgy Committee, TMS representative)

  5. Istanbul Technical University (ITU), Turkey

    Onuralp Yücel Ph.D.

  6. Research and Development Center, Wuhan Iron and Steel (Group) Corporation, China

    Xinping Mao Ph.D. (Doctoral Supervisor and Professor, Executive Vice-President) (Doctoral Supervisor and Professor, Executive Vice-President)

  7. University of California, Berkeley, USA

    Hong Yong Sohn Ph.D.

  8. ArcelorMittal Global R&D, East Chicago Laboratories, USA

    Naiyang Ma B.S., M.S., Ph.D. (adjunct associate professor) (adjunct associate professor)

  9. University of New South Wales, Australia

    Phillip J. Mackey Ph.D. (consulting metallurgical engineer and specialist in non-ferrous metals) (consulting metallurgical engineer and specialist in non-ferrous metals)

  10. Midrex Technologies, Pineville, North Carolina, USA

    Thomas P. Battle (Senior Metallurgist) (Senior Metallurgist)

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© 2015 TMS (The Minerals, Metals & Materials Society)

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Zhang, B. et al. (2015). Experimental Investigation on Reduction Kinetics of Stainless Steel-Making Slag in Iron Bath Smelting Reduction. In: Jiang, T., et al. 6th International Symposium on High-Temperature Metallurgical Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-48217-0_36

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