Study on New Process of Alkaline Reduction Smelting of Descloizite AITranslate
Abstract AITranslate
An alkaline reduction smelting method has been proposed to efficiently extract the valuable metals such as vanadium,lead and zinc from the descloizite ore.Through alkaline reduction smelting process,PbO is reduced to crude lead and deposited at the bottom.ZnO is reduced to zinc and evaporated into flue gas at high temperature,and then collected as ZnO powder from dust collecting system.Vanadium is transformed into soluble vanadate in the smelting slag,and then dissolved into aqueous solution through subsequent leaching process.The main factors affecting smelting and leaching process were investigated.Adding 10% carbon powder and 35% Na_2CO_3 based on descloizite mass and smelting at 1 250 ℃ for 30 min,the crude lead with higher purity than 97% is obtained with 98.6% lead recovery ratio,and the evaporation ratio of zinc reaches 78.9%.After V-containing smelting slag is leached at 95 ℃ for 90 min with 2∶1 solidliquid ratio,vanadium leaching ratio reaches 97.8%.
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DOI：
Chinese Library Classification Number:TF111[冶金工程—冶金物理化学]
Citation Information:
An alkaline reduction smelting method has been proposed to efficiently extract the valuable metals such as vanadium,lead and zinc from the descloizite ore.Through alkaline reduction smelting process,PbO is reduced to crude lead and deposited at the bottom.ZnO is reduced to zinc and evaporated into flue gas at high temperature,and then collected as ZnO powder from dust collecting system.Vanadium is transformed into soluble vanadate in the smelting slag,and then dissolved into aqueous solution through subsequent leaching process.The main factors affecting smelting and leaching process were investigated.Adding 10% carbon powder and 35% Na_2CO_3 based on descloizite mass and smelting at 1 250 ℃ for 30 min,the crude lead with higher purity than 97% is obtained with 98.6% lead recovery ratio,and the evaporation ratio of zinc reaches 78.9%.After V-containing smelting slag is leached at 95 ℃ for 90 min with 2∶1 solidliquid ratio,vanadium leaching ratio reaches 97.8%.
quote
| GB/T 7714-2015 | [1] HUO Guang-sheng, WU Qian, ZHU Xian-zheng, et al. Study on New Process of Alkaline Reduction Smelting of Descloizite[J]. Rare Metals and Cemented Carbides, 2016(5): 20-25. |
| MLA | [1] HUO Guang-sheng, et al., "Study on New Process of Alkaline Reduction Smelting of Descloizite." Rare Metals and Cemented Carbides, no. 5, 2016, pp. 20-25. |
| APA | [1] HUO Guang-sheng, WU Qian, ZHU Xian-zheng, NI Jie, & LU Xiao-ying. (2016). Study on New Process of Alkaline Reduction Smelting of Descloizite. Rare Metals and Cemented Carbides(5), 20-25. |
| IEEE | [1] HUO Guang-sheng, WU Qian, ZHU Xian-zheng, NI Jie, and LU Xiao-ying, "Study on New Process of Alkaline Reduction Smelting of Descloizite," Rare Metals and Cemented Carbides, no. 5, pp. 20-25, 2016. keywords: {descloizite;vanadium;lead;zinc;alkaline reduction smelting;leaching} |