Research on Separation and Enrichment of Rare Earth from Acidic Leaching Solution of Zhijin Phosphorite AITranslate
Abstract AITranslate
In order to efficiently and rationally develop Zhijin phosphorite and optimize the rare earth enrichment process,the solvent extraction method was used to remove iron from 4-stage hydrochloric acid leaching solution of Zhijin phosphorite,and then the rare earth elements in the extract solution were enriched by the solvent extraction method.The effects of O/A,extraction time,P204 concentration and extraction times on the extraction rate of rare earth were studied.The results show that when 15 mL N235+(1~5)mL isooctanol+(34~30)mL sulfonated kerosene is used as the iron extraction agent,the content of isooctanol and sulfonated kerosene has little effect on the iron extraction effect,and the iron extraction rate is close to 100%.The optimized extraction conditions of rare earth are O/A of 3∶1,P204 concentration of 1.5 mol/L and extraction time of 15 min.Under the optimized conditions,the extraction rate of rare earth reaches 82.24%after four times of extraction.
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Basic Information:
DOI：
Chinese Library Classification Number:TF845[冶金工程—有色金属冶金]
Citation Information:
In order to efficiently and rationally develop Zhijin phosphorite and optimize the rare earth enrichment process,the solvent extraction method was used to remove iron from 4-stage hydrochloric acid leaching solution of Zhijin phosphorite,and then the rare earth elements in the extract solution were enriched by the solvent extraction method.The effects of O/A,extraction time,P204 concentration and extraction times on the extraction rate of rare earth were studied.The results show that when 15 mL N235+(1~5)mL isooctanol+(34~30)mL sulfonated kerosene is used as the iron extraction agent,the content of isooctanol and sulfonated kerosene has little effect on the iron extraction effect,and the iron extraction rate is close to 100%.The optimized extraction conditions of rare earth are O/A of 3∶1,P204 concentration of 1.5 mol/L and extraction time of 15 min.Under the optimized conditions,the extraction rate of rare earth reaches 82.24%after four times of extraction.
quote
| GB/T 7714-2015 | [1] YE Ming-fu, WANG Miao-miao, YANG Gang, et al. Research on Separation and Enrichment of Rare Earth from Acidic Leaching Solution of Zhijin Phosphorite[J]. Rare Metals and Cemented Carbides, 2020(3): 1-4. |
| MLA | [1] YE Ming-fu, et al., "Research on Separation and Enrichment of Rare Earth from Acidic Leaching Solution of Zhijin Phosphorite." Rare Metals and Cemented Carbides, no. 3, 2020, pp. 1-4. |
| APA | [1] YE Ming-fu, WANG Miao-miao, YANG Gang, ZHANG Wen-xing, CHEN Guo-chang, & XU Li-xin. (2020). Research on Separation and Enrichment of Rare Earth from Acidic Leaching Solution of Zhijin Phosphorite. Rare Metals and Cemented Carbides(3), 1-4. |
| IEEE | [1] YE Ming-fu, WANG Miao-miao, YANG Gang, ZHANG Wen-xing, CHEN Guo-chang, and XU Li-xin, "Research on Separation and Enrichment of Rare Earth from Acidic Leaching Solution of Zhijin Phosphorite," Rare Metals and Cemented Carbides, no. 3, pp. 1-4, 2020. keywords: {Zhijin phosphorite;rare earth;iron;solvent extraction method;enrichment;extraction rate} |