| 发明名称 |
Roast-leach copper recovery |
| 摘要 |
A copper-containing sulfidic material is dead-roasted at a temperature of at least 750 DEG C. and the resulting calcine is leached in a sulfuric acid solution to dissolve most of the copper in preference to any iron, nickel and cobalt in the material.
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| 申请公布号 |
US4168217(A) |
申请公布日期 |
1979.09.18 |
| 申请号 |
US19780894900 |
申请日期 |
1978.04.10 |
| 申请人 |
THE INTERNATIONAL NICKEL COMPANY, INC. |
发明人 |
DALVI, ASHOK D.;SRIDHAR, RAMAMRITHAM;BELL, MALCOLM C. E. |
| 分类号 |
C22B15/00;(IPC1-7):C25C1/12 |
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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