发明名称 |
Processing copper sulfide ores |
摘要 |
Copper is chemically extracted from crude ores by first roasting it at temperature up to 500° C. for 90 minutes, then treating it with ammonium salt followed by leaching with sulfuric acid to obtain a soluble copper mass for further purification. |
申请公布号 |
US8388726(B2) |
申请公布日期 |
2013.03.05 |
申请号 |
US201113089780 |
申请日期 |
2011.04.19 |
申请人 |
SIDDIQUE IFFAT TAHIRA;KHAN IZHARUL HAQ |
发明人 |
SIDDIQUE IFFAT TAHIRA;KHAN IZHARUL HAQ |
分类号 |
C22B15/00 |
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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