Co-promoted acid gas scrubbing solution and process for using same
US4405578A · kind A · utility
18Cited by
2References
14Claims
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 Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to an alkaline salt promoter system comprising specific mixtures of lower aliphatic mono-substituted alpha amino acids and sterically hindered diamino or triamino compounds and their use in acid gas scrubbing processes. The preferred promoter system comprises a mixture of N-secondary butyl glycine and N-cyclohexyl-1,3-propanediamine or N-cyclohexyl-1, 4-butanediamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.