Methods for regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate
US6281255A · kind A · utility
2Cited by
9References
9Claims
0Family size
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Key dates
| Filing date | Jun 6, 2000 |
| Grant date | Aug 28, 2001 |
| Priority date | — |
| Expiry date | Jun 6, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J49/57
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Regeneration of weakly basic anion exchange resins with a combination of an alkali metal carbonate and an alkali metal bicarbonate is disclosed. Preferably, the alkali metal is sodium. The combination can be naturally available sodium sesquicarbonate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.