发明授权
- 专利标题: Saprolite neutralisation of heap leach process
- 专利标题(中): 渣土浸出过程的中和
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申请号: US12991848申请日: 2009-06-16
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公开(公告)号: US08454723B2公开(公告)日: 2013-06-04
- 发明人: Houyuan Liu , Eric Girvan Roche
- 申请人: Houyuan Liu , Eric Girvan Roche
- 申请人地址: AU Perth, Western Australia
- 专利权人: BHP Billiton SSM Development Pty Ltd.
- 当前专利权人: BHP Billiton SSM Development Pty Ltd.
- 当前专利权人地址: AU Perth, Western Australia
- 代理机构: Brinks Hofer Gilson & Lione
- 代理商 G. Peter Nichols
- 优先权: AU2008903045 20080616
- 国际申请: PCT/AU2009/000758 WO 20090616
- 国际公布: WO2009/152560 WO 20091223
- 主分类号: C22B3/06
- IPC分类号: C22B3/06 ; C22B3/44 ; C22B23/00 ; C01F7/34
摘要:
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.
公开/授权文献
- US20110083533A1 Saprolite Neutralisation of Heap Leach Process 公开/授权日:2011-04-14
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