Method of absorbing acid compounds contained in a gaseous effluent using an amine-based aqueous solution
US10137404B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Aug 26, 2013 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Aug 26, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2258/05
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The gaseous effluent is contacted with an aqueous solution comprising at least one amine and at least one amine degradation inhibiting compound. A stainless steel withstanding corrosion upon contact with the amine degradation inhibiting compound is first selected. Equipments whose surfaces in contact with the aqueous solution are made from this stainless steel are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.