发明名称 |
PROCESS OF STRIPPING GOLD AND SILVER FROM CARBON |
摘要 |
Gold and silver are stripped from activated carbon on which they are adsorbed as cyanide complexes by subjecting the activated carbon to a stripping solution comprising as the strippant an effective amount of a compound containing the carboxylate functionality. The compound is preferably selected from benzoic and substituted benzoic acids, and polyacrylic acids of less than about 100,000 m.w.
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申请公布号 |
CA2050625(C) |
申请公布日期 |
1998.01.27 |
申请号 |
CA19912050625 |
申请日期 |
1991.09.04 |
申请人 |
ASHLAND INC. |
发明人 |
LANG, MARK GERARD;FULLER, EVERETT JACK;LUTTINGER, LIONEL BENEDICT |
分类号 |
C22B3/42;C22B11/08;(IPC1-7):C22B3/24 |
主分类号 |
C22B3/42 |
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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