| 发明名称 |
FREMGANGSMAATE FOR SEPARERING OG UTVINNING AV URAN, THORIUM OG SJELDNE JORDARTMETALLER. |
| 摘要 |
<p>Rare earth, uranium and thorium values are separated and recovered from aqueous solutions of the chlorides thereof, said aqueous solutions having an acidity of less than 2 N and a concentration in such values, expressed as the oxides thereof, of at least 50 g/l, by liquid-liquid extracting said aqueous solutions with an organic extractant comprising at least one neutral organophosphorus compound.</p> |
| 申请公布号 |
NO160993(B) |
申请公布日期 |
1989.03.13 |
| 申请号 |
NO19820003575 |
申请日期 |
1982.10.27 |
| 申请人 |
RHONE-POULENC SPECIALITES CHIMIQUES |
发明人 |
SABOT, JEAN-LOUIS;LEVEQUE, ALAIN |
| 分类号 |
C01G43/00;C01F15/00;C01F17/00;C22B3/38;C22B59/00;C22B60/02;(IPC1-7):C01G43/00 |
主分类号 |
C01G43/00 |
| 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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