Process for recovery of copper from copper-containing chloride media
US9234259B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Jan 6, 2009 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Jan 24, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A process for recovering copper from an acid aqueous solution containing cupric chlorides and alkali metal and/or alkali earth metal chlorides by a solvent extraction with a cation-exchange extractant, comprising the step of processing a solvent extraction in the presence of sulfate ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.