Research progress in vanadium extraction from stone coal vanadium ore by roasting

Song Changxu; Ye Guohua; Kang Xuanxiong; Zhang Yun; Rong Yiyang; Xiang Xinyue

doi:10.7513/j.issn.1004-7638.2023.04.005

Volume 44 Issue 4

Aug. 2023

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Song Changxu, Ye Guohua, Kang Xuanxiong, Zhang Yun, Rong Yiyang, Xiang Xinyue. Research progress in vanadium extraction from stone coal vanadium ore by roasting[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 33-40. doi: 10.7513/j.issn.1004-7638.2023.04.005

Citation:

Song Changxu, Ye Guohua, Kang Xuanxiong, Zhang Yun, Rong Yiyang, Xiang Xinyue. Research progress in vanadium extraction from stone coal vanadium ore by roasting[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(4): 33-40. doi: 10.7513/j.issn.1004-7638.2023.04.005

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Research progress in vanadium extraction from stone coal vanadium ore by roasting

doi: 10.7513/j.issn.1004-7638.2023.04.005

Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

Received Date: 2022-12-29
Publish Date: 2023-08-30

Abstract

Abstract

The research progress of vanadium extraction from stone coal vanadium ore by roasting was reviewed. The possible application scenarios of roasting process were discussed. The advantages and disadvantages of different roasting processes were discussed through examples. The development status and industry difficulties of vanadium extraction from stone coal vanadium ore by roasting were summarized and prospected. Vanadium in stone coal vanadium ore mainly exists in the form of isomorphism, and roasting is the key to extracting vanadium. Traditional roasting processes include sodium roasting, calcification roasting, composite additive roasting and salt-free roasting. These processes are relatively mature but need to control pollution. The newly proposed roasting processes include microwave roasting, alkali fusion roasting, chlorination roasting and low-temperature sulfation roasting. The concept of microwave roasting was proposed earlier, but obvious theoretical and practical progress has been made recently. Alkali fusion roasting has a good effect in improving vanadium valence. Chlorination roasting and low-temperature sulfation roasting are in line with the development concept of green and low-carbon, and can obtain ideal vanadium extraction indicators.
- vanadium extraction,
- stone coal vanadium ore,
- roasting,
- conversion rate

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References(52)

References

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