发明名称 |
METHOD FOR SEPARATING NOBLE METAL FROM ALKALINE AQUEOUS CYANIDE SOLUTION AND ION-CHANGING RESIN WITH GUANIDINE FUNCTIONALITY |
摘要 |
<p>An improved process for recovery for precious metals such as gold and silver from aqueous cyanide solutions by contact with certain guanidine reagents. The guanidine reagents not only extract the precious metal but may provide advantages in selectivity of gold over other metals, such as tetra- and pentahydrocarbon substituted non-resin guanidine reagents and tri- and tetra-hydrocarbon substituted resin guanidine reagents.</p> |
申请公布号 |
RU2046628(C1) |
申请公布日期 |
1995.10.27 |
申请号 |
SU19904831471 |
申请日期 |
1990.10.10 |
申请人 |
KHENKEL RISERCH KORPOREJSHN |
发明人 |
LON-TANG V.LIN;FILIPP S.MATTISON;MAJKL DZH.VIRNIG |
分类号 |
B01D11/04;C07C279/04;C22B3/00;C22B11/00;C22B11/08;(IPC1-7):B01D11/04 |
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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