Process for removing carbon dioxide containing acidic gases from gaseous mixtures using a basic salt activated with a hindered amine
US4217237A · kind A · utility
31Cited by
9References
12Claims
0Family size
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Key dates
| Filing date | May 30, 1978 |
| Grant date | Aug 12, 1980 |
| Priority date | — |
| Expiry date | May 30, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Carbon dioxide containing acidic gases are removed from a normally gaseous mixture by a process comprising contacting the normally gaseous mixture with an aqueous solution comprising (a) a basic alkali metal salt or hydroxide and (b) an activator for said basic salt or alkali metal salt or hydroxide comprising at least one sterically hindered amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.