发明名称 |
HYDROMETALLURGICAL PROCESS FOR RECOVERING SILVER FROM ELECTROLYTIC COPPER REFINERY SLIMES AND FROM SIMILAR RAW MATERIALS |
摘要 |
<p>Silver is recovered from an anode sludge by initially chlorinating the sludge in a slurry with nascent chlorine. The nascent chlorine is produced in situ by addition of sodium hypochlorite to the slurry in hydrochloric acid. Then the slurry is filtered and the silver containing solid phase extracted with ammonia to produce a solution from which lead is precipitated. The filtrate is then reacted with copper to precipitate silver.</p> |
申请公布号 |
EP0266337(B1) |
申请公布日期 |
1990.01.17 |
申请号 |
EP19870890230 |
申请日期 |
1987.10.21 |
申请人 |
AUSTRIA METALL AKTIENGESELLSCHAFT |
发明人 |
BERTHA, JOSEF, ING. |
分类号 |
C22B3/46;C22B7/00;C22B11/00;C22B11/02;C22B11/06 |
主分类号 |
C22B3/46 |
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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