| abstract |
A spiral gas separation membrane element having a central tube and a laminate (7) wound around the central tube, the laminate (7) comprising a supply-side flow path member (3), a gas separation membrane (2) and the permeate-side flow path member (4) have one or more structures that overlap in this order, the permeate-side flow path member (4) has a thickness of 400 μm to 1300 μm, and the gas separation membrane (2) Is a film in which a hydrophilic resin composition layer (20), a porous layer (21), and a transmission side surface layer (22) are superposed in this order, and the transmission side surface layer (22) A spiral type gas separation membrane element facing the flow path member (4) and having a Young's modulus of 20 MPa to 400 MPa. |