Sterically hindered amino acids and tertiary amino acids as promoters in acid gas scrubbing processes
US4405579A · kind A · utility
20Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Nov 13, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/1493
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to an alkaline salt promoter system comprising specific mixtures of sterically hindered monosubstituted alpha-amino acids and tertiary amino acids and its use in acid gas scrubbing processes. The preferred promoter system comprises a mixture of N-secondary butyl glycine and N-methyl-N-secondary butyl glycine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.