Experimental Study on Extraction and Recovery of Scandium from Tungsten Residue AITranslate
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Scandium was extracted and recovered from the acid leaching solution of tungsten residue with primary amine N1923 as the extractant.The effects were studied of solution acidity,extractant volume fraction,phase ratio and extraction time on scandium extraction as well as the effect of hydrochloric acid concentration on scandium stripping.The results show that the extractant of primary amine N1923 has a good selectivity to scandium.The optimum conditions for extraction are as follows:solution acidity 0.25mol/L,extractant volume fraction 10%,O/A phase ratio 1∶1,and extraction time 5min.The proper stripping agent is 3.5mol/L dilute hydrochloric acid.Under the above optimum conditions,the extraction rate of scandium reaches 96.42%,the stripping rate is 98.28%,and the total recovery rate of scandium extraction is 92.33%.
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Basic Information:
DOI：
Chinese Library Classification Number:TF845.1[冶金工程—有色金属冶金]
Citation Information:
Scandium was extracted and recovered from the acid leaching solution of tungsten residue with primary amine N1923 as the extractant.The effects were studied of solution acidity,extractant volume fraction,phase ratio and extraction time on scandium extraction as well as the effect of hydrochloric acid concentration on scandium stripping.The results show that the extractant of primary amine N1923 has a good selectivity to scandium.The optimum conditions for extraction are as follows:solution acidity 0.25mol/L,extractant volume fraction 10%,O/A phase ratio 1∶1,and extraction time 5min.The proper stripping agent is 3.5mol/L dilute hydrochloric acid.Under the above optimum conditions,the extraction rate of scandium reaches 96.42%,the stripping rate is 98.28%,and the total recovery rate of scandium extraction is 92.33%.
quote
| GB/T 7714-2015 | [1] LIU Cai-yun, FU Jian-gang. Experimental Study on Extraction and Recovery of Scandium from Tungsten Residue[J]. Rare Metals and Cemented Carbides, 2015(5): 4-8 11. |
| MLA | [1] LIU Cai-yun, and FU Jian-gang. "Experimental Study on Extraction and Recovery of Scandium from Tungsten Residue." Rare Metals and Cemented Carbides, no. 5, 2015, pp. 4-8 11. |
| APA | [1] LIU Cai-yun, & FU Jian-gang. (2015). Experimental Study on Extraction and Recovery of Scandium from Tungsten Residue. Rare Metals and Cemented Carbides(5), 4-8 11. |
| IEEE | [1] LIU Cai-yun and FU Jian-gang, "Experimental Study on Extraction and Recovery of Scandium from Tungsten Residue," Rare Metals and Cemented Carbides, no. 5, pp. 4-8 11, 2015. keywords: {tungsten residue;scandium;extraction;primary amine N1923;recovery} |