Absorbent composition containing molecules with a hindered amine and a metal sulfonate, phosphonate or carboxylate structure for acid gas scrubbing process
US8480795B2 · kind B2 · utility
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24References
6Claims
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Key dates
| Filing date | Aug 1, 2006 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Feb 4, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An acid gas absorbent comprising a metal sulfonate, phosphonate or carboxylate of a hindered amine and a process for the selective removal Of H2S as well as other acidic components such as carbon disulfide, carbonyl sulfide and oxygen and sulfur derivatives of C1 to C4 hydrocarbons from mixtures containing such acidic components and CO2 using said absorbent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.