Study on Two-Stage Countercurrent Acid Leaching of Low-Grade Stone Coal Vanadium Ore for Vanadium Extraction AITranslate
Abstract AITranslate
A low-grade stone coal vanadium ore in Southern Shaanxi was used as raw material to extract vanadium by two-stage countercurrent sulfuric acid leaching under the condition of adding fluorine-containing leaching aid.The results show that under the conditions of a grinding fineness of stone coal vanadium ore of―0.074 mm accounting for 40%,a leaching aid of 1%NaClO3+3%2#fluorine-containing leaching aid,a sulfuric acid dosage of 22%,a two-stage countercurrent leaching temperature of 90℃,a leaching time of 1 h for the first stage,and a leaching time of 2 h for the second stage,the leaching rate of vanadium can reach 94.95%.This process can effectively reduce the amount of sulfuric acid,improve the vanadium lea-ching rate,save the agent,and simplify the subsequent vanadium extraction process.
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DOI：
Chinese Library Classification Number:TF841.3[冶金工程—有色金属冶金]
Citation Information:
A low-grade stone coal vanadium ore in Southern Shaanxi was used as raw material to extract vanadium by two-stage countercurrent sulfuric acid leaching under the condition of adding fluorine-containing leaching aid.The results show that under the conditions of a grinding fineness of stone coal vanadium ore of―0.074 mm accounting for 40%,a leaching aid of 1%NaClO3+3%2#fluorine-containing leaching aid,a sulfuric acid dosage of 22%,a two-stage countercurrent leaching temperature of 90℃,a leaching time of 1 h for the first stage,and a leaching time of 2 h for the second stage,the leaching rate of vanadium can reach 94.95%.This process can effectively reduce the amount of sulfuric acid,improve the vanadium lea-ching rate,save the agent,and simplify the subsequent vanadium extraction process.
quote
| GB/T 7714-2015 | [1] NIU Fang-yin, CHENG Qian, LIANG Xiao, et al. Study on Two-Stage Countercurrent Acid Leaching of Low-Grade Stone Coal Vanadium Ore for Vanadium Extraction[J]. Rare Metals and Cemented Carbides, 2024(1): 44-50. |
| MLA | [1] NIU Fang-yin, et al., "Study on Two-Stage Countercurrent Acid Leaching of Low-Grade Stone Coal Vanadium Ore for Vanadium Extraction." Rare Metals and Cemented Carbides, no. 1, 2024, pp. 44-50. |
| APA | [1] NIU Fang-yin, CHENG Qian, LIANG Xiao, NING Xin-xia, WU Tian-jiao, ZHAO Xiao-yi, WANG Yong-hai, & WANG Wang-bo. (2024). Study on Two-Stage Countercurrent Acid Leaching of Low-Grade Stone Coal Vanadium Ore for Vanadium Extraction. Rare Metals and Cemented Carbides(1), 44-50. |
| IEEE | [1] NIU Fang-yin, CHENG Qian, LIANG Xiao, NING Xin-xia, WU Tian-jiao, ZHAO Xiao-yi, WANG Yong-hai, and WANG Wang-bo, "Study on Two-Stage Countercurrent Acid Leaching of Low-Grade Stone Coal Vanadium Ore for Vanadium Extraction," Rare Metals and Cemented Carbides, no. 1, pp. 44-50, 2024. keywords: {stonecoal;leaching aid;sulfuric acid leaching;vanadium extraction;countercurrent leaching} |