Experimental Study on Extraction of Gallium from Sulfuric Acid Leaching Solution of Coal Gangue by Using P507 AITranslate
Abstract AITranslate
Gallium and iron from sulfuric acid leaching solution of coal gangue were separated by extraction with 2-ethylhexyl phosphate mono-2-ethylhexyl ester(P507).The effects of solution pH value,P507 concentration,oscillation time,oscillation intensity and extraction temperature on the extraction efficiency of gallium and iron were investigated.The results show that the single-stage extraction rate of Ga3+reaches 82%while that of Fe2+is lower than 18%,under the conditions of A/O ratio of 1:1,P507 concentration of 20%,solution pH value of 1.5,oscillation time of 15 min,oscillation intensity of 200 r/min and extraction temperature of 35℃.The extraction experiments were performed by changing the A/O ratio,and then the equilibrium isotherm of gallium extraction was determined.Under the condition of 4:1 A/O ratio,the theoretical extraction stage of gallium is four,and the extraction rate of gallium is 98.4%while the extraction rate of iron is 17.4%,and the extraction rate of other metal ions is less than 10%.Therefore,the selective extraction of gallium from sulfuric acid leaching solution of coal gangue could be realized.
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Chinese Library Classification Number:TF843.1[冶金工程—有色金属冶金]
Citation Information:
Gallium and iron from sulfuric acid leaching solution of coal gangue were separated by extraction with 2-ethylhexyl phosphate mono-2-ethylhexyl ester(P507).The effects of solution pH value,P507 concentration,oscillation time,oscillation intensity and extraction temperature on the extraction efficiency of gallium and iron were investigated.The results show that the single-stage extraction rate of Ga3+reaches 82%while that of Fe2+is lower than 18%,under the conditions of A/O ratio of 1:1,P507 concentration of 20%,solution pH value of 1.5,oscillation time of 15 min,oscillation intensity of 200 r/min and extraction temperature of 35℃.The extraction experiments were performed by changing the A/O ratio,and then the equilibrium isotherm of gallium extraction was determined.Under the condition of 4:1 A/O ratio,the theoretical extraction stage of gallium is four,and the extraction rate of gallium is 98.4%while the extraction rate of iron is 17.4%,and the extraction rate of other metal ions is less than 10%.Therefore,the selective extraction of gallium from sulfuric acid leaching solution of coal gangue could be realized.
quote
| GB/T 7714-2015 | [1] GUO Wen-chao, LI Wang, ZHU Xiao-bo, et al. Experimental Study on Extraction of Gallium from Sulfuric Acid Leaching Solution of Coal Gangue by Using P507[J]. Rare Metals and Cemented Carbides, 2022(4): 28-32. |
| MLA | [1] GUO Wen-chao, et al., "Experimental Study on Extraction of Gallium from Sulfuric Acid Leaching Solution of Coal Gangue by Using P507." Rare Metals and Cemented Carbides, no. 4, 2022, pp. 28-32. |
| APA | [1] GUO Wen-chao, LI Wang, ZHU Xiao-bo, ZHANG Zhi-guo, & ZHANG Chuan-xiang. (2022). Experimental Study on Extraction of Gallium from Sulfuric Acid Leaching Solution of Coal Gangue by Using P507. Rare Metals and Cemented Carbides(4), 28-32. |
| IEEE | [1] GUO Wen-chao, LI Wang, ZHU Xiao-bo, ZHANG Zhi-guo, and ZHANG Chuan-xiang, "Experimental Study on Extraction of Gallium from Sulfuric Acid Leaching Solution of Coal Gangue by Using P507," Rare Metals and Cemented Carbides, no. 4, pp. 28-32, 2022. keywords: {gallium;extraction;P507;coal gangue;leaching solution;iron} |