Title:
WATER TREATMENT DEVICE, FILTRATION METHOD, AND LEAKAGE REPAIRING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/190554
Kind Code:
A1
Abstract:
Proposed is a water treatment device that has less components, that can reduce time required for installation, and that can be implemented in a more space-saving manner as compared to conventional products. This water treatment device comprises at least one unit including: a hollow fiber membrane module group 110 formed of 3-10 hollow fiber membrane modules 100, each including a hollow fiber membrane bundle including a plurality of hollow fiber membranes; a pipe group 120 including a raw water transport pipe 121 connected to the hollow fiber membrane module 100 through raw water introduction openings, a filtration water collection pipe 122 connected to the hollow fiber membrane modules 100 through filtrate discharge openings, and discharged water recovery pipes 123 connected to the respective hollow fiber membrane modules 100 through discharge openings for washing; and a support member group 130 formed of support members 131, 132 that support the hollow fiber membrane modules 100 and the raw water transport pipe 121, the filtration water collection pipe 122, and the discharged water recovery pipe 123. The mass per membrane area of the hollow fiber membranes is at most 1.0 kg/m2.
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Inventors:
TANIGUCHI TOHRU (JP)
OKAMURA DAISUKE (JP)
OKAMURA DAISUKE (JP)
Application Number:
PCT/JP2023/012584
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B01D61/18; C02F1/44; B01D63/02; B01D65/02; B01D65/10; B01D69/08
Domestic Patent References:
| WO2020100763A1 | 2020-05-22 |
Foreign References:
| CN210522273U | 2020-05-15 | |||
| JP2009082858A | 2009-04-23 | |||
| JP2017104869A | 2017-06-15 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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