A hollow fiber membrane module includes a pair of plate-shaped portions for forming a passage for a fluid that flows through exteriors of a plurality of hollow fiber membranes between an inner circumferential surface of a case and the plurality of hollow f...

Disclosed is a hollow-fiber membrane module for moisture exchange, said module being capable of sufficiently humidifying a dry oxidant gas supplied into hollow-fiber membranes, minimizing imbalance in the filled hollow-fiber membranes, and evenly circulati...