Invention Grant
- Patent Title: Heap leaching of copper
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Application No.: US15030813Application Date: 2014-10-22
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Publication No.: US10041143B2Publication Date: 2018-08-07
- Inventor: George Frederick Rautenbach
- Applicant: BHP Chile Inc.
- Applicant Address: CL Santiago
- Assignee: BHP CHILE INC.
- Current Assignee: BHP CHILE INC.
- Current Assignee Address: CL Santiago
- Agency: Brinks Gilson & Lione
- Agent John C. Freeman
- Priority: ZA2013/08223 20131023
- International Application: PCT/IB2014/002193 WO 20141022
- International Announcement: WO2015/059551 WO 20150430
- Main IPC: C22B15/00
- IPC: C22B15/00 ; C22B3/08 ; C25C1/12
Abstract:
A method of leaching copper from a heap of ore that includes at least one resting step followed by an irrigation step, wherein, during the irrigation step a leach solution that contains chloride ions is applied to the ore at a higher rate than during the resting step.
Public/Granted literature
- US20160258036A1 Heap Leaching of Copper Public/Granted day:2016-09-08
Information query
