Method of regenerating weak base ion exchange resins with a solution of carbonic acid
US4172185A · kind A · utility
9Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1978 |
| Grant date | Oct 23, 1979 |
| Priority date | — |
| Expiry date | Dec 4, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J49/07
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
After weak base ion exchange resins are regenerated and washed with water, the resins are contacted with a solution of carbonic acid to remove the remaining regenerant wastes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.