Reactivation of spent alkanolamine
US5045291A · kind A · utility
12Cited by
6References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1990 |
| Grant date | Sep 3, 1991 |
| Priority date | — |
| Expiry date | Aug 6, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J39/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Aqueous alkanolamine solution containing alkali metal salts of anions which form heat stable salts with such alkanolamine is reactivated by contacting the solution sequentially with a basic anion exchange resin to remove such anions and an acidic cation ion exchange resin to remove alkali metal ions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.