Invention Grant
- Patent Title: Saprolite neutralisation of heap leach process
- Patent Title (中): 渣土浸出过程的中和
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Application No.: US12991848Application Date: 2009-06-16
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Publication No.: US08454723B2Publication Date: 2013-06-04
- Inventor: Houyuan Liu , Eric Girvan Roche
- Applicant: Houyuan Liu , Eric Girvan Roche
- Applicant Address: AU Perth, Western Australia
- Assignee: BHP Billiton SSM Development Pty Ltd.
- Current Assignee: BHP Billiton SSM Development Pty Ltd.
- Current Assignee Address: AU Perth, Western Australia
- Agency: Brinks Hofer Gilson & Lione
- Agent G. Peter Nichols
- Priority: AU2008903045 20080616
- International Application: PCT/AU2009/000758 WO 20090616
- International Announcement: WO2009/152560 WO 20091223
- Main IPC: C22B3/06
- IPC: C22B3/06 ; C22B3/44 ; C22B23/00 ; C01F7/34
Abstract:
A heap leach process for the recovery of nickel and/or cobalt from a laterite ore, said process including the steps of: a) providing one or more heaps of a nickeliferous laterite ore; b) leaching the ore in a heap leach step by applying acid to one or more heaps to provide a pregnant leach solution; c) neutralizing the pregnant leach solution with ground saprolite ore; and d) recovering the nickel and/or cobalt from the neutralized pregnant leach solution.
Public/Granted literature
- US20110083533A1 Saprolite Neutralisation of Heap Leach Process Public/Granted day:2011-04-14
Information query
