发明名称 |
HYDROMETALURGIC PROCESS FOR EXTRACTING ZINC AND PARTLY COPPER EXTRACTING, AS WELL AS FOR LEAD AND SILVER RECUPERATING FROM ZINC CONTAINING SULPHIDIC MATERIALS |
摘要 |
<p>The extraction of zinc and copper and the recovery of precious metals from sulphurous zinciferous materials, also containing iron, becomes possible when these are treated by leaching under pressure in two stages, by judiciously controlling the relative quantities of sulphurous materials and acid.</p> |
申请公布号 |
YU45260(B) |
申请公布日期 |
1992.05.28 |
申请号 |
YU19850000892 |
申请日期 |
1985.05.28 |
申请人 |
SOCIETE DES MINES ET FONDERIES DE ZINC |
发明人 |
ANDRE J A A |
分类号 |
C01G3/00;C01G9/00;C01G49/00;C22B3/00;C22B3/04;C22B3/08;C22B15/00;C22B19/00;C22B19/20;(IPC1-7):C22B19/22;C22B13/04;C22B15/08 |
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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