Process and apparatus for regenerating spent reprocessing extraction solvent
US5082602A · kind A · utility
5Cited by
11References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1986 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Aug 20, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/38
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Cations and anions contained as impurities in a spent organic solvent can be removed by an alkaline aqueous solution passing through inside of hydrophobic porous membrane such as hollow fibers for capturing anions and by an acidic aqueous solution passing through inside of hydrophobic porous membrane such as hollow fibers for capturing cations at the same time so as to regenerate the organic solvent. An apparatus suitable for removing cations and anions simultaneously from the spent organic solvent is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.