Liquid/liquid extraction of gallium values from basic aqueous solutions thereof
US4485076A · kind A · utility
13Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1983 |
| Grant date | Nov 27, 1984 |
| Priority date | — |
| Expiry date | Aug 26, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Gallium values are extracted and recovered from basic aqueous solutions thereof, notably from sodium aluminate solutions of Bayer process origin, by liquid/liquid extraction thereof with a water immiscible organic phase comprising an organic solvent having dissolved therein an organic-soluble substituted hydroxyquinoline and at least one organic-soluble organosulfate or organosulfonate comprising at least one acid function, either in the free acid or salt form thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.