Invention Grant
- Patent Title: Method of leaching copper from copper sulfide ore and method of evaluating iodine loss content of column leaching test of the copper sulfide ore
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Application No.: US15540689Application Date: 2016-03-14
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Publication No.: US10550450B2Publication Date: 2020-02-04
- Inventor: Shintaro Kawashiro , Akira Miura
- Applicant: JX NIPPON MINING & METALS CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JX NIPPON MINING & METALS CORPORATION
- Current Assignee: JX NIPPON MINING & METALS CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2015-051119 20150313
- International Application: PCT/JP2016/059526 WO 20160314
- International Announcement: WO2016/148305 WO 20160922
- Main IPC: C22B15/00
- IPC: C22B15/00 ; C22B3/06 ; C22B3/04
Abstract:
A method of leaching copper from a copper sulfide ore which includes adding a potential adjustment agent for lowering a potential of a leaching solution obtained after leaching copper from the copper sulfide ore by using iodide ion and iron (III) ion, the leaching solution being stored in a tank for storing the leaching solution.
Public/Granted literature
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