Title:
EXTERNAL PRESSURE-TYPE HOLLOW-FIBER MEMBRANE MODULE
Document Type and Number:
WIPO Patent Application WO/2019/216147
Kind Code:
A1
Abstract:
To provide an external pressure-type hollow-fiber membrane module that, during filtration operations, is less likely to cause fouling to the hollow-fiber membrane and exhibits excellent performance in cleaning of the hollow-fiber membrane. This external pressure-type hollow-fiber membrane module has a water collection pipe 12 and a hollow-fiber membrane bundle 13 housed inside a cylindrical case housing 11, wherein: the hollow-fiber membrane bundle 13 has a filling rate of 40-70%; an end of the cylindrical case housing 11 is covered with a second cap 50 having a first liquid outlet 51 and a second liquid outlet 52; and one of the first liquid outlet 51 and the second liquid outlet 52 is connected, via a connection pipe 70, to an opening of the water collection pipe 12 on the side of the second cap 50.
Inventors:
HOSONO KATSUMI (JP)
IKENAGA SHIGEYUKI (JP)
IKENAGA SHIGEYUKI (JP)
Application Number:
PCT/JP2019/016557
Publication Date:
November 14, 2019
Filing Date:
April 18, 2019
Export Citation:
Assignee:
DAICEN MEMBRANE SYSTEMS LTD (JP)
International Classes:
B01D63/02; B01D63/00; B01D71/14; B01D71/16; D01F2/28
Domestic Patent References:
| WO2011150206A2 | 2011-12-01 | |||
| WO2014007138A1 | 2014-01-09 |
Foreign References:
| JPH06327905A | 1994-11-29 | |||
| JP2012000600A | 2012-01-05 | |||
| JPH0426020U | 1992-03-02 | |||
| JP2014226607A | 2014-12-08 |
Attorney, Agent or Firm:
FURUYA Satoshi (JP)
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