Hollow-fiber filtering module and water purification device...

Details Hollow-fiber filtering module and water purification device... Hollow-fiber filtering module and water purification device...

B - Operations, Transporting

01

D

182/14.1

B01D 19/00 (2006.01) B01D 61/18 (2006.01) B01D 61/20 (2006.01) B01D 63/02 (2006.01) B01D 67/00 (2006.01) C02F 1/44 (2006.01)

Patent

CA 1245567

ABSTRACT OF THE DISCLOSURE A hollow-fiber filtering module includes a casing having an open end and an inlet for introducing water to be treated thereinto. A bundle of hollow fibers is mounted within the casing, each of the hollow fibers having an open end. A fastening member sealingly joins the open ends of the hollow fibers to the open end of the casing in sealing relation thereto, the open ends of the hollow fibers opening to the exterior of the casing. Part of the hollow fibers are made of a microporous membrane having a portion of a hydrophobic nature, and the other hollow fibers are hydrophilic microporous membranes. Gas introduced into the filtering module can easily permeate the hydrophobic portions of the hollow fibers and is discharged through the bores of the hollow fibers from their open ends together with the filtered water. There is also disclosed a water purification device employing such a hollow-fiber filtering module. - 33 -

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