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Extraction of Vanadium from Vanadium Tailing Slag with Titanium Dioxide Waste Acid
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Jun LI1, 2, Enhui WU1, 2, Zhong XU1, 2, Jing HOU1, 2, Wenjing PENG1, 2, Hong LI1, 2
Hydrometallurgy of China | 2024, 43(1) : 29 - 33
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Hydrometallurgy of China | 2024, 43(1): 29-33
• Experiment Research •
Extraction of Vanadium from Vanadium Tailing Slag with Titanium Dioxide Waste Acid
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Jun LI1, 2, Enhui WU1, 2, Zhong XU1, 2, Jing HOU1, 2, Wenjing PENG1, 2, Hong LI1, 2
Affiliations
  • 1 College of Vanadium and Titanium, Panzhihua University, Panzhihua 617000, China
  • 2 Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, China
Published: 2024-02-20 doi: 10.13355/j.cnki.sfyj.2024.01.005
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In order to realize the high value utilization of solid and liquid wastes, extraction of vanadium from vanadium tailings with titanium dioxide waste acid was studied. The effects of leaching temperature, leaching time, solid mass to liquid volume ratio, waste acid concentration and other technological parameters on vanadium leaching rate were investigated by orthogonal experiments, and the optimal leaching conditions were determined. In order to further improve the vanadium leaching rate, the appropriate amount of leaching aid (fluorite) and oxidant (hydrogen peroxide) was discussed. The results show that the order of influence of the process parameters on vanadium leaching rate is leaching temperature> leaching time> solid mass to liquid volume ratio> titanium dioxide waste acid concentration. Under the optimum conditions of temperature of 80 ℃, leaching time of 2 h, solid mass to liquid volume ratio of 1∶5 and waste acid concentration of 5%, the vanadium leaching rate is about 53%. After adding 7% fluorite and 5% hydrogen peroxide, the vanadium leaching rate can be increased to 71.09%.

titanium dioxide waste acid  /  vanadium tailings  /  vanadium  /  leaching  /  fluorite  /  hydrogen peroxide
Jun LI, Enhui WU, Zhong XU, Jing HOU, Wenjing PENG, Hong LI. Extraction of Vanadium from Vanadium Tailing Slag with Titanium Dioxide Waste Acid[J]. Hydrometallurgy of China, 2024 , 43 (1) : 29 -33 . DOI: 10.13355/j.cnki.sfyj.2024.01.005
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doi: 10.13355/j.cnki.sfyj.2024.01.005
  • Receive Date：2023-08-08
  • Online Date：2025-09-10
  • Published：2024-02-20
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  • Received：2023-08-08
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    1 College of Vanadium and Titanium, Panzhihua University, Panzhihua 617000, China
    2 Vanadium and Titanium Resources Comprehensive Utilization Key Laboratory of Sichuan Province, Panzhihua 617000, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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