| abstract |
The present invention provides an acid gas absorbent that has a high absorption amount and a high absorption rate, and prevents the release of absorbent components. An acidic gas absorbent comprising an amine compound of formula (1) and an amino compound of formula (2) or (3). [R 1 is a straight-chain hydroxyalkyl group, R 2 is secondary alkyl group, R 3, R 4, R 5 is H, OH, or hydroxyalkyl or aminoalkyl group, p2~4, q3~8. ] [Selection] Figure 1 |