| 摘要 |
PROBLEM TO BE SOLVED: To provide a hollow fiber membrane module having an improved gas dispersion property during air cleaning and an operation method of the hollow fiber membrane module capable of efficient cleaning. SOLUTION: The hollow fiber membrane module comprises an adhered and fixed portion in which a hollow fiber membrane bundle consisting of a plurality of hollow fiber membranes is adhered to and bundled on at least one end thereof, and a through-hole consisting of a hollow tube in the axial direction of the hollow fiber membrane module is provided in the adhered and fixed portion, wherein the diameter of circle that is equivalent to an internal diameter of the hollow tube is 0.1 to 0.8 mm, and the hollow tube protrudes upward on the axis of the hollow fiber membrane module relative to the adhered and fixed portion. COPYRIGHT: (C)2006,JPO&NCIPI
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