Research progress on purification and enrichment of vanadium-bearing acid leaching solution

Zhu Siqin; Ye Guohua; Kang Xuanxiong; Liang Xueyin

doi:10.7513/j.issn.1004-7638.2022.05.002

Volume 43 Issue 5

Nov. 2022

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Zhu Siqin, Ye Guohua, Kang Xuanxiong, Liang Xueyin. Research progress on purification and enrichment of vanadium-bearing acid leaching solution[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 10-22. doi: 10.7513/j.issn.1004-7638.2022.05.002

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Zhu Siqin, Ye Guohua, Kang Xuanxiong, Liang Xueyin. Research progress on purification and enrichment of vanadium-bearing acid leaching solution[J]. IRON STEEL VANADIUM TITANIUM, 2022, 43(5): 10-22. doi: 10.7513/j.issn.1004-7638.2022.05.002

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Research progress on purification and enrichment of vanadium-bearing acid leaching solution

doi: 10.7513/j.issn.1004-7638.2022.05.002

1.
Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China
2.
State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming 650093, Yunnan, China

Received Date: 2022-06-09
Available Online: 2022-11-01
Publish Date: 2022-11-01

Abstract

Abstract

On the basis of analyzing the characteristics of vanadium-bearing acid leaching solution, the study development of purification and enrichment of this solution was reviewed. The most attention has been paid to solvent extraction and ion exchange presently. Herein, acidic phosphorus extractants have poor selectivity, neutral phosphorus extractants are generally used as synergists or modifiers and alkaline amines extractants are prone to produce the third phase in the operation process. Besides, ionic liquids have shown favorable application prospects in the field of extraction. However, problems such as large-scale preparation remain to be solved. Anion exchange resins are suitable for most pH conditions, but chelating resins are more suitable in strong acid environment (pH < 2). The traditional chemical precipitation method is more suitable for preliminary treatment or the relatively simple vanadium-bearing acid leaching solution system. Although electroadsorption method has high extraction efficiency, it is still at the stage of laboratory exploration. The extractant in solvent impregnated resin is easy to be lost during use, so it is difficult to be widely popularized. Finally, the research direction of the purification and enrichment of vanadium-bearing acid leaching solution in the future was proposed.
- vanadium extraction,
- acid leaching solution,
- purification,
- enrichment,
- solvent extraction,
- ion exchange

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References(61)

References

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