发明名称 |
PROCEDE DE SEPARATION DE L'YTTRIUM. |
摘要 |
<p>Process for the selective separation of yttrium from solution containing yttrium and lanthanides. …<??>This process consists in bringing an aqueous solution 4 into contact with an organic phase 5 in a battery 1 of mixer decanters in order to extract the lanthanides into the organic phase, the exiting aqueous solution 7 being enriched in yttrium. The organic phase comprises a mixture of a cationic extracting agent with a substituted hydroxyquinoline. …<IMAGE>… </p> |
申请公布号 |
FR2660645(B1) |
申请公布日期 |
1992.12.11 |
申请号 |
FR19900004300 |
申请日期 |
1990.04.04 |
申请人 |
RHONE POULENC CHIMIE |
发明人 |
SABOT JEAN-LOUIS;DELLOYE THIERRY |
分类号 |
B01D11/04;C01F17/00;C07F5/00;C22B3/36;C22B59/00;(IPC1-7):C01F17/00 |
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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