发明授权
- 专利标题: Processing copper sulfide ores
- 专利标题(中): 加工硫化铜矿石
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申请号: US13089780申请日: 2011-04-19
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公开(公告)号: US08388726B2公开(公告)日: 2013-03-05
- 发明人: Iffat Tahira Siddique , Izharul Haq Khan
- 申请人: Iffat Tahira Siddique , Izharul Haq Khan
- 代理商 Sarfaraz K. Niazi
- 主分类号: C22B15/00
- IPC分类号: C22B15/00
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.
公开/授权文献
- US20120266723A1 Processing copper sulfide ores 公开/授权日:2012-10-25
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