| 发明名称 |
PROCESS FOR LEACHING SULFIDES CONTAINING ZINC AND IRON |
| 摘要 |
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. |
| 申请公布号 |
DE3564450(D1) |
申请公布日期 |
1988.09.22 |
| 申请号 |
DE19853564450 |
申请日期 |
1985.05.22 |
| 申请人 |
SOCIETE DES MINES & FONDERIES DE ZINC DE LA VIEILLE MONTAGNE S.A. |
发明人 |
ANDRE, JEAN ALFRED AUGUSTE |
| 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 |
主分类号 |
C01G3/00 |
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