| abstract |
The embodiments provide an acidic gas absorbent having low ndiffusibility, an acidic gas removal method, and an acidic gas removal n5 apparatus. The acidic gas absorbent according to the embodiment ncomprises: an amine compound having a vapor pressure of 0.001 to n10 Pa at 20°C; a water-soluble polymer compound having a nmass-average molecular weight of 900 to 200000 and not containing a nfunctional group having a pKa value greater than 7 except for hydroxy; n0 and water.n1/1 nC02 n12 n10 n6 n5 n2 n3 n-7 n4 n8 9 nFig. 1 |