| 主权项 |
1. A method for producing an acid gas separation composite membrane provided with, on a support having a hydrophobic porous body at least on one surface, a facilitated transport membrane containing at least a hydrophilic compound and an acid gas carrier that reacts with an acid gas inside a gas to be separated, comprising;
arranging of the hydrophobic porous body having three-dimensional network structure formed through intersecting, coupling or branching of a plurality of fibrils, and a large number of pores formed of microscopic interstices divided by the plurality of fibrils, in which, in the three-dimensional network structure, an average inter-fibril distance inside a plane in parallel to a surface having the facilitated transport membrane of the support is 0.001 μm or more and 2 μm or less, an average fibril length inside the plane is 0.01 μm or more and 2 μm or less, and an average inter-fibril distance in a direction perpendicular to the surface is 0.001 μm or more and 2 μm or less, preparing of a hydrogel-state coating liquid containing at least the hydrophilic compound and the acid gas carrier, and applying of the coating liquid onto one surface of the hydrophobic porous body. |
