Removal of sulfate ions from brine
US4488949A · kind A · utility
14Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1983 |
| Grant date | Dec 18, 1984 |
| Priority date | — |
| Expiry date | Sep 19, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01D17/003
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Macroporous cation exchange resins with sulfonic acid functional groups having polymeric hydrous zirconium oxide and polyacrylic acid contained therein are useful in substantially removing sulfate, borate, bicarbonate and/or phosphate ions from alkali metal salt solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.