LIQUID FOR ABSORBING AND COLLECTING CARBON DIOXIDE IN GAS, AND METHOD FOR COLLECTING CARBON DIOXIDE WITH USE OF SAME

摘要

Disclosed is a liquid for absorbing and collecting carbon dioxide from a gas that contains the carbon dioxide, which contains (A) a secondary amine compound represented by general formula (1) R-NH-(CH2)n-OH, (B) a polyamine compound represented by general formula (2) R1R2N-(X)m-NR3R4 and (C) water, and wherein the content of the secondary amine compound (A) is 50% by weight or more. Also disclosed is a method for absorbing and collecting carbon dioxide with use of this liquid.