| abstract |
In a method for recovering CO 2 from a feed gas stream, a regenerative absorption comprising an absorbent that is at least one tertiary amine having an amino functionality of about 6.5 to about 9 pKa in the feed gas stream. the CO 2 and the regenerated absorbent by subjecting the process to rich stream CO 2 rich product stream after CO 2 to obtain a rich stream by subjecting in the presence of an antioxidant treatment with agents Including getting. May also be again also contains SO 2 and / or NO x in the feed gas stream. |