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Preparation of TiC from Titanium Bearing Blast Furnace Slag by Carbothermal Reduction in Vacuum

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7th International Symposium on High-Temperature Metallurgical Processing

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Abstract

Titanium bearing blast furnace slag, which contains 20%-30% TiO2, is a valuable secondary titanium resource. Based on the thermodynamics calculation effect of the temperature on the reduction of the slag in vacuum were studied at certain vacuum degrees. The results show that magnesium vapor and silicon monoxide vapor can be obtained at the condition of high temperature and low pressure. The purity of TiC increases with temperature increasing. When the temperature arrives at 1623K TiC can be obtained besides the reductant carbon. XRD result of the powder collected from the furnace cover show that magnesium and silicon in the titanium bearing BF slag leave the slag system during carbothermal reduction in vacuum. From the above it can be concluded that TiC can be obtained from the titanium bearing BF slag and silicon and titanium in the slag can be separated by carbothermal reduction in vacuum and acid leaching.

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Author information

Authors and Affiliations

  1. College of Materials Science and Engineering, Chongqing University, Chongqing, 400030, China

    Fangqing Yin, Zhengfeng Qu, Qingyu Deng & Meilong Hu

  2. Chongqing Iron & Steel (group) Co., Ltd., Chongqing, 400080, China

    Mengjun Hu

Authors
  1. Fangqing Yin
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  2. Zhengfeng Qu
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  3. Mengjun Hu
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  4. Qingyu Deng
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  5. Meilong Hu
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Corresponding author

Correspondence to Meilong Hu .

Editor information

Editors and Affiliations

  1. Department of Materials Science and Engineering, Michigan Technological University, USA

    Jiann-Yang Hwang (professor, Chief Energy and Environment Advisor) (professor, Chief Energy and Environment Advisor)

  2. Wuhan Iron and Steel Group Company, China

    Jiann-Yang Hwang (professor, Chief Energy and Environment Advisor) (professor, Chief Energy and Environment Advisor)

  3. Center for Iron and Steelmaking Research in the Department of Materials Science and Engineering, Carnegie Mellon University, USA

    P. Chris Pistorius (POSCO Professor and Co-Director) (POSCO Professor and Co-Director)

  4. Glencore Technology, Australia

    Gerardo R. F. Alvear F. (Technology Manager for Pyrometallurgy & Refining) (Technology Manager for Pyrometallurgy & Refining)

  5. Applied Research Center of Material Science & Production Technologies, ITU, Turkey

    Onuralp Yücel (director) (director)

  6. Central South University, China

    Liyuan Cai (professor) (professor)

  7. School of Chemical Engineering, The University of Queensland, Brisbane, Australia

    Baojun Zhao (Codelco-Fangyuan Professor) (Codelco-Fangyuan Professor)

  8. Pyrometallurgy Committee, USA

    Dean Gregurek (JOM advisor, co-organizer) (JOM advisor, co-organizer)

  9. Department of Metallurgical Engineering, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil

    Varadarajan Seshadri (Prof. Emeritus) (Prof. Emeritus)

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© 2016 TMS (The Minerals, Metals & Materials Society)

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Yin, F., Qu, Z., Hu, M., Deng, Q., Hu, M. (2016). Preparation of TiC from Titanium Bearing Blast Furnace Slag by Carbothermal Reduction in Vacuum. In: Hwang, JY., et al. 7th International Symposium on High-Temperature Metallurgical Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-48093-0_70

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