Regenerative recovery of contaminants from effluent gases
US9884289B2 · kind B2 · utility
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45References
21Claims
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Inventor
Key dates
| Filing date | Jan 14, 2016 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Jan 14, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A contaminant gas is removed from a feed gas in two absorption and stripping circuits operated in tandem. The gas is first passed through a rich gas absorber producing a rich absorption liquor from which contaminant gas is stripped in a rich liquor stripper. A lean gas exiting the rich gas absorber is passed through a lean gas absorber, producing a lean absorption liquor from which contaminant gas is stripper in a lean liquor stripper. Regenerated absorption media exiting the respective strippers are recirculated to the respective absorbers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.