发明名称 |
RARE EARTH RECOVERY FROM PHOSPHOR MATERIAL AND ASSOCIATED METHOD |
摘要 |
<p>A method for recovering at least one rare earth element from a phosphor is presented. The method includes a halogenation step (a) and a reduction step (b). The phosphor is first halogenated in a molten salt to convert at least one rare earth constituent contained therein to a soluble rare earth halide. Then, the rare earth halide in the molten salt can be reduced, to convert the rare earth halide to a rare earth element in its elemental state. A method for individually recovering multiple rare earth elements from a phosphor is also presented.</p> |
申请公布号 |
EP2655679(A1) |
申请公布日期 |
2013.10.30 |
申请号 |
EP20110852060 |
申请日期 |
2011.11.16 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
GOURISHANKAR, KARTHICK, VILAPAKKAM;NAMMALWAR, PRASANTH, KUMAR;SRIVASTAVA, ALOK, MANI;MANEPALLI, SATYA, KISHORE |
分类号 |
C22B59/00;B09B3/00;C01F17/00;C22B7/00 |
主分类号 |
C22B59/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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