Acid gas removal process
US4729883A · kind A · utility
30Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Sep 5, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/151
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a process for the removal of acid gases from gaseous mixtures wherein said mixture is contacted with an aqueous alkaline solution comprising a compound of an alkali metal or ammonia and an alkanolamine-based promoter characterized in that the promoter is a mixture of at least one secondary alkanolamine and at least one N-alkyl-2-aminoethanol, said alkyl radical containing up to 3 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.