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Rare Metal Technology 2017 pp 193–202Cite as

Sulfuric Acid Leaching of Mechanically Activated Vanadium–Bearing Converter Slag

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Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

The extraction of vanadium from mechanically activated converter slag was studied in dilute sulfuric acid solution. The effects of roasting and leaching parameters were investigated. The results show that Ca/V mole ratio, roasting temperature, leaching temperature, S/L ratio and leaching time significantly affected the dissolution of vanadium while only roasting time has relatively minor effects under the conditions in this work. The over-high roasting temperatures and Ca/V mole ratios performed negative effects on the dissolution of vanadium. The optimum conditions for roasting was found to be 800 °C, 60 min and 1:1 Ca/V mole ratio, and that for leaching conditions was pH 2.5, 60 °C, 20:1 L/S ratio,—150 mesh and 40–80 min. More than 90% of vanadium was leached from the converter slag under these optimum conditions.

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Acknowledgements

This work was supported by the Natural Science Foundation of China [grant numbers 5140, 4047] and the Basic and Frontier Research Program of Chongqing [grant numbers cstc2014jcyjA50011].

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Authors and Affiliations

  1. School of Materials Science and Engineering, Chongqing University, Chongqing, 400044, China

    Junyi Xiang, Xuewei Lv & Chenguang Bai

  2. School of Materials and Metallurgical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China

    Qingyun Huang

Authors
  1. Junyi Xiang
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  2. Qingyun Huang
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  3. Xuewei Lv
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  4. Chenguang Bai
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Corresponding author

Correspondence to Xuewei Lv .

Editor information

Editors and Affiliations

  1. Pennsylvania State University , University Park, Pennsylvania, USA

    Hojong Kim

  2. The University of Saskatchewan , Saskatoon, Saskatchewan, Canada

    Shafiq Alam

  3. IND LLC , South Jordan, Utah, USA

    Neale R. Neelameggham

  4. Umicore , Olen, Belgium

    Harald Oosterhof

  5. MIT , Cambridge, Massachusetts, USA

    Takanari Ouchi

  6. WATERTOWN, Massachusetts, USA

    Xiaofei Guan

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© 2017 The Minerals, Metals & Materials Society

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Xiang, J., Huang, Q., Lv, X., Bai, C. (2017). Sulfuric Acid Leaching of Mechanically Activated Vanadium–Bearing Converter Slag. In: Kim, H., Alam, S., Neelameggham, N., Oosterhof, H., Ouchi, T., Guan, X. (eds) Rare Metal Technology 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51085-9_20

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