Acid gas separation membrane, acid gas separation method using the same, acid gas separation module and acid gas separation apparatus

摘要

An acidic gas separation layer containing a hydrophilic resin and an acidic gas carrier, a hydrophobic porous membrane layer that supports the acidic gas separation layer, a porous membrane protective layer that protects the acidic gas separation layer, and a Gurley number that is hydrophobic porous An acidic gas separation membrane comprising a first layer that is 0.5 times or less the Gurley number of the membrane layer and the porous membrane protective layer and is 0.1 s or more and 30 s or less, and an acidic gas separation method using the same, An acid gas separation module and an acid gas separation device provided with the acid gas separation membrane are also provided.