Process for removing acidic compounds from a gaseous effluent with an absorbent solution based on dihydroxyalkylamines bearing severe steric hindrance of the nitrogen atom
US9468884B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2258/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The method for eliminating acidic compounds contained in a gaseous effluent consists of placing into contact, in column C1, a gaseous effluent 1 with an absorbent solution 4 comprising an aqueous solution of one or a plurality of dihydroxyalkylamines having one of the formulas (I) and (II).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.