Method of leaching copper ore
US8992666B2 · kind B2 · utility
2Cited by
2References
4Claims
0Family size
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Key dates
| Filing date | Feb 13, 2013 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Feb 13, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is a method of leaching copper ore which contains chalcopyrite, the method includes a first leaching stage based on an oxidative leaching reaction of copper by iron (III) ion, and a second leaching stage, in succession to the first leaching stage, using a solution containing iodide ion and iron (III) ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.