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| Experimental Study on Purification of Complex Rubidium-bearing Lixivium |
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Received:April 18, 2020
Revised:April 18, 2020
Accepted:April 22, 2020
Published Online:June 20, 2020
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| DOI：doi：10.3969/j.issn.1007-7545.2020.07.009 |
| KeyWord:rubidium; lixivium; extraction separation; t-BAMBP; purity |
| Author | Institution |
| MA Sheng-Cai |
白银有色集团股份有限公司 |
| SHAO Chuan-bing |
西北矿冶研究院 |
| LU Xing-wu |
西北矿冶研究院 |
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| Abstract: |
| Based on low content of rubidium in lixivium, effect of phase ratio (O/A) on rubidium extraction was investigated. The results show that rubidium extraction rate of three-stage countercurrent extraction is 94.67% and rubidium is separated from potassium and sodium under the optimum conditions including t-BAMBP concentration of 1.5 mol/L, O/A=1/1, extraction time of 2 min, and temperature of 40 ℃. 98.95% of potassium and 95.70% of sodium in rubidium-loaded organic phase is removed by countercurrent washing, which purity of rubidium compound is ensured. |
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