Process of liquid-liquid extraction of metals, with the aid of a microemulsion, from an aqueous solution
US4555343A · kind A · utility
7Cited by
6References
14Claims
0Family size
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Key dates
| Filing date | Feb 24, 1983 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Feb 24, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D61/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Extraction of a metal compound from an aqueous solution by means of a hydrophobic liquid, with the production of a microemulsion; the aqueous solution has a pH of about 0.5 to 8; the surfactant employed for formation of the microemulsion is nonionic or anionic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.