发明名称 |
PROCESS FOR SEPARATING RARE EARTHS BY LIQUID-LIQUID EXTRACTION |
摘要 |
Rare-earth elements present in aqueous solutions are separated using a solvent by a process which consists in performing a liquid- liquid extraction between an aqueous phase containing the rare-earth nitrates and an organic phase, characterised in that a mixture of organophosphorus compounds is used as extraction agent. <IMAGE> |
申请公布号 |
ZA8802063(B) |
申请公布日期 |
1988.09.14 |
申请号 |
ZA19880002063 |
申请日期 |
1988.03.23 |
申请人 |
RHONE-POULENC CHIMIE |
发明人 |
THIERRY DELLOYE;JEAN-LOUIS SABOT |
分类号 |
B01D11/04;C01F17/00;C22B3/38;C22B59/00 |
主分类号 |
B01D11/04 |
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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