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Volume 24 Issue 5
May  2017
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文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(5): 504-511
Yi-min Zhang, Ling-yun Yi, Li-na Wang, De-sheng Chen, Wei-jing Wang, Ya-hui Liu, Hong-xin Zhao,  and Tao Qi, A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite:sodium modification-direct reduction coupled process, Int. J. Miner. Metall. Mater., 24(2017), No. 5, pp. 504-511. https://doi.org/10.1007/s12613-017-1431-4
Cite this article as:
Yi-min Zhang, Ling-yun Yi, Li-na Wang, De-sheng Chen, Wei-jing Wang, Ya-hui Liu, Hong-xin Zhao,  and Tao Qi, A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite:sodium modification-direct reduction coupled process, Int. J. Miner. Metall. Mater., 24(2017), No. 5, pp. 504-511. https://doi.org/10.1007/s12613-017-1431-4
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研究论文

A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite:sodium modification-direct reduction coupled process

  • University of Chinese Academy of Sciences, Beijing 100049, China

  • National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Beijing 100190, China

  • Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

  • 通讯作者:

    Tao Qi    E-mail: tqgreen@home.ipe.ac.cn

  • A sodium modification-direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium-bearing titanomagnetite. The sodium oxidation of vanadium oxides to water-soluble sodium vanadate and the transformation of iron oxides to metallic iron were accomplished in a single-step high-temperature process. The increase in roasting temperature favors the reduction of iron oxides but disfavors the oxidation of vanadium oxides. The recoveries of vanadium, iron, and titanium reached 84.52%, 89.37%, and 95.59%, respectively. Moreover, the acid decomposition efficiency of titanium slag reached 96.45%. Compared with traditional processes, the novel process provides several advantages, including a shorter flow, a lower energy consumption, and a higher utilization efficiency of vanadium-bearing titanomagnetite resources.
    • Research Article

    A novel process for the recovery of iron, titanium, and vanadium from vanadium-bearing titanomagnetite:sodium modification-direct reduction coupled process

    + Author Affiliations
      Abstract
    • A sodium modification-direct reduction coupled process was proposed for the simultaneous extraction of V and Fe from vanadium-bearing titanomagnetite. The sodium oxidation of vanadium oxides to water-soluble sodium vanadate and the transformation of iron oxides to metallic iron were accomplished in a single-step high-temperature process. The increase in roasting temperature favors the reduction of iron oxides but disfavors the oxidation of vanadium oxides. The recoveries of vanadium, iron, and titanium reached 84.52%, 89.37%, and 95.59%, respectively. Moreover, the acid decomposition efficiency of titanium slag reached 96.45%. Compared with traditional processes, the novel process provides several advantages, including a shorter flow, a lower energy consumption, and a higher utilization efficiency of vanadium-bearing titanomagnetite resources.
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      • References(18)
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