摘要 |
A hollow-fiber degassing module which is equipped with a hollow-fiber membrane bundle obtained by bundling a plurality of hollow-fiber membranes into a cylindrical shape, and a cylindrical body that stores the hollow-fiber membrane bundle and extends in the axial direction, and which degasses a liquid by supplying the liquid to the outside of the hollow-fiber membranes, and reducing pressure inside the hollow-fiber membranes, wherein the hollow-fiber membrane filling rate, which is the proportion of the total of the apparent cross-sectional areas of the hollow-fiber membranes to the apparent cross-sectional area of the hollow-fiber membrane bundle, is in the range of 43% or less. |