| 发明名称 |
RECOVERY OF COPPER, LEAD, ZINC, SILVER AND/OR GOLD FROM COMPLEX SULPHIDE ORES |
| 摘要 |
<p>Metal sulphide ore is leached by water under a low pressure and oxidizing atmosphere to dissolve zinc and copper, hydrolyze iron to hematite, and leave lead and precious metals as insoluble sulphates. The residue is leached by sodium chloride and calcium chloride to dissolve lead and the precious metals.</p> |
| 申请公布号 |
AU5388979(A) |
申请公布日期 |
1980.06.19 |
| 申请号 |
AU19790053889 |
申请日期 |
1979.12.17 |
| 申请人 |
ABAD, A.L.R., NOGUEIRA, E.D., PASCUAL, M.G. AND VEGA, J.M.R. |
发明人 |
ANGEL L. REDONDO ABAD;EDUARDO DIAZ NOGUEIRA;MARTIN GEREZ PASCUAL;JOSE MANUEL REGIFE VEGA |
| 分类号 |
C22B3/08 |
主分类号 |
C22B3/08 |
| 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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