| 申请日期 | 2025-06-28 | 申请号 | WOUS15034986 |
| 公开（公告）号 | WO2015191645A1 | 公开（公告）日 | 2015-12-17 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | RARE ELEMENT RESOURCES LTD | ||
| 简介 | Methods for the extraction of cerium and/or thorium from metal compounds and solutions. A single step or two-step extraction method may be applied to selectively precipitate thorium and/or cerium as hydroxides under controlled pH conditions such that a substantially thorium-free and/or cerium-free rare earth element (REE) solution may be formed, such as for the subsequent separation of individual rare earth elements. | ||
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