| 发明名称 |
Lessivage à l'acide sulfureux. |
| 摘要 |
<p>The leading soln is kept at 25 degrees C during backing to prevent formation of Chevreul salt Cu (CuSO3)2.2H2O which otherwise precipitates amongst the gangue and is not recoverable economically. The ppte. does not form at low temp. Prefd. working temp. range is 10-15 degrees C, using a pH of 1.3-1.8.</p> |
| 申请公布号 |
OA4485(A) |
申请公布日期 |
1980.03.15 |
| 申请号 |
OA19730055026 |
申请日期 |
1973.10.05 |
| 申请人 |
ANGLO AMERICAN CORPORATION OF SOUTH AFRICA LTD |
发明人 |
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| 分类号 |
C22B15/00;(IPC1-7):C22B15/08 |
主分类号 |
C22B15/00 |
| 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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