Invention Grant
- Patent Title: Efficient copper leaching using alkanesulfonic acids
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Application No.: US16976479Application Date: 2019-02-28
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Publication No.: US12077834B2Publication Date: 2024-09-03
- Inventor: Jaeheon Lee , Junmo Ahn
- Applicant: Arizona Board of Regents on Behalf of the University of Arizona
- Applicant Address: US AZ Tucson
- Assignee: Arizona Board of Regents on Behalf of the University of Arizona
- Current Assignee: Arizona Board of Regents on Behalf of the University of Arizona
- Current Assignee Address: US AZ Tucson
- Agency: Polsinelli PC
- International Application: PCT/US2019/020128 2019.02.28
- International Announcement: WO2019/169185A 2019.09.06
- Date entered country: 2020-08-28
- Main IPC: C22B15/00
- IPC: C22B15/00 ; C22B3/16 ; C22B3/06
Abstract:
The present invention relates to use of alkysulfonic acids, with optionally an oxidant peroxide to leach copper from copper sulfide minerals or copper concentrates, a dichromate oxidant or a nitrate oxidant, or a combination thereof.
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