Absorbing agent and method for eliminating acid gases from fluids
US7374734B2 · kind B2 · utility
18Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2004 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Dec 28, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E50/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The disclosure relates to an absorbent for removing acid gases from fluids. The absorbent contains at least one tertiary amine, an amine which is selected from hydroxyethylpiperazine, bis(hydroxyethylpiperazine) or a mixture of these and piperazine. The absorbent may optionally contain a physical solvent for the acid gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.