| 申请日期 | 2025-07-09 | 申请号 | US13864677 |
| 公开（公告）号 | US20130287653A1 | 公开（公告）日 | 2013-10-31 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Physical Sciences Inc | ||
| 简介 | Rare earth elements are recovered from coal ash. The coal ash with rare earth elements can be treated with a mineral acid to form an aqueous mineral acid solution. The aqueous mineral acid solution can be extracted to form an organic solution that includes the rare earth salts. The organic solution can be mixed with water to form an aqueous solution that includes the rare earth salts. The rare earth elements are separated from the aqueous solution. | ||
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