| 申请日期 | 2025-02-22 | 申请号 | US14773739 |
| 公开（公告）号 | US9896743B2 | 公开（公告）日 | 2018-02-20 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | OPENED JOINT STOCK COMPANY “UNITED CHEMICAL COMPANY URALCHEM” | ||
| 简介 | The present invention relates to a method for recovery of rare earth metals (REM) from diluted aqueous acidic solutions comprising steps of liquid-phase extraction of REM into an organic phase and re-extraction of REM from the organic phase. The re-extraction is carried out by precipitation of REM as a solid phase in the form of a poorly soluble salt of a strong acid (pKa<0). Recovery of REM into the concentrate is up to 99% in the course of one stage of the re-extraction. | ||
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