Experimental Study on Recovery of Scandium and Vanadium from Red Mud by Leaching with Titanium Dioxide Wastewater AITranslate
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The extraction of vanadium and scandium from red mud were carried out by leaching with tita-nium dioxide wastewater.The effects of liquid to solid ratio, leaching temperature, leaching time and stirring rate on the leaching rate of vanadium and scandium were investigated.The phase composition of lea-ching residue and the chemical composition of leaching solution were analyzed by XRD and ICP-AES.The results show that under the conditions of liquid to solid ratio of 6 mL/g, stirring rate of 400 r/min, leaching temperature of 75 ℃ and leaching time of 1 h, the leaching rates of V and Sc are 75% and 80%,respectively.Compared with the titanium dioxide wastewater, the leaching solution contains significantly decreased H+ concentration, vanadium and scandium are enriched and the concentration of iron and aluminum is also increased.Compared with the red mud, anhydrite minerals appears in the leaching residue, while calcite is completely dissolved, cancrinite, brookite and hematite are partially dissolved.
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Chinese Library Classification Number:TF09[冶金工程—冶金物理化学]
Citation Information:
The extraction of vanadium and scandium from red mud were carried out by leaching with tita-nium dioxide wastewater.The effects of liquid to solid ratio, leaching temperature, leaching time and stirring rate on the leaching rate of vanadium and scandium were investigated.The phase composition of lea-ching residue and the chemical composition of leaching solution were analyzed by XRD and ICP-AES.The results show that under the conditions of liquid to solid ratio of 6 mL/g, stirring rate of 400 r/min, leaching temperature of 75 ℃ and leaching time of 1 h, the leaching rates of V and Sc are 75% and 80%,respectively.Compared with the titanium dioxide wastewater, the leaching solution contains significantly decreased H+ concentration, vanadium and scandium are enriched and the concentration of iron and aluminum is also increased.Compared with the red mud, anhydrite minerals appears in the leaching residue, while calcite is completely dissolved, cancrinite, brookite and hematite are partially dissolved.
quote
| GB/T 7714-2015 | [1] LI Wang, YANG Xiao-hui, ZHU Xiao-bo. Experimental Study on Recovery of Scandium and Vanadium from Red Mud by Leaching with Titanium Dioxide Wastewater[J]. Rare Metals and Cemented Carbides, 2021(3): 1-4. |
| MLA | [1] LI Wang, et al., "Experimental Study on Recovery of Scandium and Vanadium from Red Mud by Leaching with Titanium Dioxide Wastewater." Rare Metals and Cemented Carbides, no. 3, 2021, pp. 1-4. |
| APA | [1] LI Wang, YANG Xiao-hui, & ZHU Xiao-bo. (2021). Experimental Study on Recovery of Scandium and Vanadium from Red Mud by Leaching with Titanium Dioxide Wastewater. Rare Metals and Cemented Carbides(3), 1-4. |
| IEEE | [1] LI Wang, YANG Xiao-hui, and ZHU Xiao-bo, "Experimental Study on Recovery of Scandium and Vanadium from Red Mud by Leaching with Titanium Dioxide Wastewater," Rare Metals and Cemented Carbides, no. 3, pp. 1-4, 2021. keywords: {scandium;vanadium;leaching;red mud;titanium dioxide wastewater} |