| 申请日期 | 2025-07-01 | 申请号 | WOFR17051399 |
| 公开（公告）号 | WO2017207947A1 | 公开（公告）日 | 2017-12-07 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | BRGM | ||
| 简介 | The invention relates to a method for extracting rare earth elements contained in permanent magnets, which comprises the steps of thermal treatment of the permanent magnet, crushing at the end of the thermal treatment in order to obtain particles with a size smaller than 2 mm, treatment by agitation of the particles in a solution containing an organic acid, and separation of the liquid phase from the solid phase. | ||
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