Solvent extraction of a halide from a aqueous sulphate solution
US7037482B2 · kind B2 · utility
2Cited by
21References
38Claims
0Family size
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Key dates
| Filing date | Mar 10, 2003 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | May 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S423/14
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of extracting a halide and sulphate from an aqueous sulphate solution, such as a zinc sulphate solution, comprises subjecting the solution to solvent extraction to extract halide and sulphate from the solution and controlling the amount of sulphate extracted by selective adjustment of the acidity of the aqueous solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.