Leaching behavior of vanadium-chromium residue enhanced by ultrasonic

Gong Qian; Wang Xingxing; Jin Guixuan; Huang Jinlei; Tang Dan; Huang Huisheng; Li Bing; Shi Wenbing; Lin Yinhe; Peng Hao

doi:10.7513/j.issn.1004-7638.2023.06.005

Volume 44 Issue 6

Dec. 2023

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Gong Qian, Wang Xingxing, Jin Guixuan, Huang Jinlei, Tang Dan, Huang Huisheng, Li Bing, Shi Wenbing, Lin Yinhe, Peng Hao. Leaching behavior of vanadium-chromium residue enhanced by ultrasonic[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 32-37. doi: 10.7513/j.issn.1004-7638.2023.06.005

Citation:

Gong Qian, Wang Xingxing, Jin Guixuan, Huang Jinlei, Tang Dan, Huang Huisheng, Li Bing, Shi Wenbing, Lin Yinhe, Peng Hao. Leaching behavior of vanadium-chromium residue enhanced by ultrasonic[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 32-37. doi: 10.7513/j.issn.1004-7638.2023.06.005

Citation:

Gong Qian, Wang Xingxing, Jin Guixuan, Huang Jinlei, Tang Dan, Huang Huisheng, Li Bing, Shi Wenbing, Lin Yinhe, Peng Hao. Leaching behavior of vanadium-chromium residue enhanced by ultrasonic[J]. IRON STEEL VANADIUM TITANIUM, 2023, 44(6): 32-37. doi: 10.7513/j.issn.1004-7638.2023.06.005

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Leaching behavior of vanadium-chromium residue enhanced by ultrasonic

doi: 10.7513/j.issn.1004-7638.2023.06.005

College of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100, China

Received Date: 2023-08-28
Available Online: 2024-01-11
Publish Date: 2023-12-30

Abstract

Abstract

Vanadium is existed as low-valence in the vanadium-chromium residue, it is hard to leach out in alkaline medium, high-energy consumption is accompanied by roasting-leaching process. In this paper, ultrasonic was introduced to enhance the leaching process of vanadium-chromium residue to oxidize the low valence vanadium to high valence and make contribute to high leaching efficiency. The effects of NaOH dosage, reaction temperature, reaction time, liquid-to-solid ratio and stirring rate on the leaching efficiency of vanadium were investigated. The results show that the leaching process is significantly enhanced by ultrasonic leaching and the leaching efficiency of vanadium is improved. Compared with direct alkaline leaching, the leaching efficiency of vanadium is increased about 34 percentage. The leaching rate of vanadium is up to 96.9% under the optimal conditions including the dosage of NaOH at m(NaOH)/(residue)=0.5 g/g, reaction temperature of 90 ℃, stirring rate at 500 r/min, reaction time of 60 min, liquid-to-solid ratio at 5 mL/g and ultrasonic frequency at 40 kHz.
- vanadium extraction,
- vanadium-chromium residue,
- leaching in alkaline medium,
- ultrasonic reinforcement,
- leaching efficiency

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References(21)

References

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