Invention Grant
- Patent Title: Method for ammoniacal leaching
- Patent Title (中): 氨浸法
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Application No.: US12668917Application Date: 2008-07-11
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Publication No.: US08388729B2Publication Date: 2013-03-05
- Inventor: Nicholas J. Welham , Garry M. Johnston , Matthew L. Sutcliffe
- Applicant: Nicholas J. Welham , Garry M. Johnston , Matthew L. Sutcliffe
- Applicant Address: VG Tortola
- Assignee: Metaleach Limited
- Current Assignee: Metaleach Limited
- Current Assignee Address: VG Tortola
- Agency: Pillsbury Winthrop Shaw Pittman LLP
- Priority: AU2007903815 20070713; AU2007906262 20071115
- International Application: PCT/AU2008/001027 WO 20080711
- International Announcement: WO2009/009825 WO 20090122
- Main IPC: C22B3/14
- IPC: C22B3/14
Abstract:
In accordance with the present invention there is provided a method for leaching one or more target metals from an ore, the method comprising the method steps of: curing the ore to be leached through the application of an aqueous solution of a curing agent, producing a cured ore; leaching the cured ore at atmospheric pressure through the application of an ammonium carbonate solution containing free ammonia, producing a pregnant leach solution; and passing the pregnant leach solution to a means for metals recovery.
Public/Granted literature
- US20100180728A1 METHOD FOR AMMONIACAL LEACHING Public/Granted day:2010-07-22
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