Efficient copper leaching using alkanesulfonic acids
US12077834B2 · kind B2 · utility
0Cited by
2References
16Claims
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Key dates
| Filing date | Feb 28, 2019 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Jan 5, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.