| 简介 |
There are provided processes for recovering at least one rare earth element and/or at least one rare metal from at least one material. The processes can comprise : leaching the at least one material with at least one acid having a low concentration, thereby obtaining a leachate comprising the at least one rare earth element and/or at least one rare metal and at least one metal ion, and a solid comprising at least one metal, and separating the leachate from the solid; at least substantially selectively removing the at least one metal ion from the leachate; and substantially selectively removing the at least one rare earth element and/or the at least one rare metal from the leachate, thereby obtaining the at least one rare earth element and/or the at least one rare metal. |
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