发明名称 |
Process for the extraction of metal values and novel metal extractants. |
摘要 |
<p>Metal values are extracted from aqueous solutions of metal salts containing halide or pseudo halide ions by pyrimidine, pyrazine or pyridazine derivitives bearing the substituent -(C = O.X)n where X is the group -OR1 or -NR2R3 and n ist 1, 2 or 3. R1 is a hydrocarbyl group containing from 1 to 36 carbon atoms and R2 and R2 together contain from 1 to 36 carbon atoms. The molecule as a whole contains from 5 to 36 alkyl carbon atoms and may carry further optional substituents. The process is especially useful for the recovery of metals from leach solutions derived from sulphur-containg ores.</p> |
申请公布号 |
EP0112617(A1) |
申请公布日期 |
1984.07.04 |
申请号 |
EP19830306062 |
申请日期 |
1983.10.06 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
NELSON, ANTHONY JOHN;QUAN, PETER MICHAEL;STEWART, DAVID;ROBINSON, FRANK |
分类号 |
C01G3/00;C01G9/00;C01G11/00;C01G51/00;C07D237/24;C07D239/30;C07D241/24;C22B3/36;(IPC1-7):07D239/30;07D241/24;07D237/24;22B15/08;22B3/00;07D239/34 |
主分类号 |
C01G3/00 |
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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