| 申请日期 | 2025-08-02 | 申请号 | WOCN14096023 |
| 公开（公告）号 | WO2016106732A1 | 公开（公告）日 | 2016-07-07 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | GRIREM ADVANCED MATERIALS CO LTD | ||
| 简介 | Disclosed is a method for recovering rare earth by fractional extraction. The method comprises the following steps : using a rare earth solution containing medium-heavy rare earth as a raw liquid with a pH value of 2.5-5.5, performing a first extraction on the raw liquid with a first organic phase of an acidic phosphorus extraction agent having a pKa value >4, while keeping the balanced acidity of the extraction aqueous phase in 1 | ||
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