Research on preparation of metal vanadium by carbothermal reduction

Li Lanjie; Chang Fuzeng; Liu Jing; Zhang Na; Zhang Suxin; Wang Haixu

doi:10.7513/j.issn.1004-7638.2024.02.001

Volume 45 Issue 2

Feb. 2024

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Li Lanjie, Chang Fuzeng, Liu Jing, Zhang Na, Zhang Suxin, Wang Haixu. Research on preparation of metal vanadium by carbothermal reduction[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(2): 1-6. doi: 10.7513/j.issn.1004-7638.2024.02.001

Citation:

Li Lanjie, Chang Fuzeng, Liu Jing, Zhang Na, Zhang Suxin, Wang Haixu. Research on preparation of metal vanadium by carbothermal reduction[J]. IRON STEEL VANADIUM TITANIUM, 2024, 45(2): 1-6. doi: 10.7513/j.issn.1004-7638.2024.02.001

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Research on preparation of metal vanadium by carbothermal reduction

doi: 10.7513/j.issn.1004-7638.2024.02.001

1.
Hebei HBIS Material Technology Research Institute Co., Ltd., Shijiazhuang 050000, Hebei, China
2.
HBIS Material Technology Research Institute, Shijiazhuang 050023, Hebei, China
3.
Chengde Vanadium and Titanium New Materials Co., Ltd., Chengde 067102, Hebei, China

Received Date: 2024-02-08
Available Online: 2024-05-14
Publish Date: 2024-04-30

Abstract

Abstract

High-purity V₂O₅ powder was used as raw material and carbon powder was used as reducing agent. The process of preparing metals by carbothermal reduction was studied, and the effects of the amount of carbon, temperature, vacuum degree and reduction time on the products were discussed. The results show that V₂O₅ is a stepwise reduction with direct and indirect reduction. With a carbon ratio of 32%, the reduction temperature at 1350 ℃, and the reduction time of 120 min, the obtained crude vanadium solid solution phase is mainly <VO, V₂C>, and the V content is about 84%. For refining conditions, when the temperature is controlled at 1680 ℃, the carbon-oxygen ratio is 1.02, and the vacuum degree is below 0.1 Pa, the ductile metal vanadium product can be obtained, and the purity of vanadium reaches 99.04%.
- metal vanadium,
- V₂O₅,
- carbothermal reduction,
- crude vanadium,
- purification

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References(17)

References

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