Title:
FILTRATION FILM UNIT
Document Type and Number:
WIPO Patent Application WO/2024/085152
Kind Code:
A1
Abstract:
Provided is a filtration film unit that is capable of: preventing fouling from occurring concentratedly in a prescribed portion of a filtration film to improve purification effects; and reducing a washing frequency to extend an operation time. The filtration film unit 1 is obtained by disposing and layering a plurality of film modules 2 each comprising: filtration films (3a, 3b) that are formed from a pair of sheet-shaped members, have a gap section S formed between the pair of sheet-shaped members, and introduce, into the gap section S, purified water obtained by filtering water to be purified; and a nozzle part 6 that suctions the purified water introduced into the gap section S and discharges the same outside, wherein the nozzle part 6 is provided with a suction port 6a formed by a long groove that opens to face the gap section S along the edges of the filtration films (3a, 3b) and is capable of suctioning the purified water in the gap section S, and a discharge port 6b that discharges the purified water suctioned from the suction port 6a to the outside of the film module 2.
Inventors:
SHIRAYANAGI SATOSHI (JP)
HAYASHI MASATOSHI (JP)
KOKUBU YASUNORI (JP)
HAYASHI MASATOSHI (JP)
KOKUBU YASUNORI (JP)
Application Number:
PCT/JP2023/037575
Publication Date:
April 25, 2024
Filing Date:
October 17, 2023
Export Citation:
Assignee:
FCC KK (JP)
International Classes:
B01D63/08; B01D65/02; C02F1/44
Foreign References:
| JP2012148230A | 2012-08-09 | |||
| JPH07256282A | 1995-10-09 | |||
| JP2014138941A | 2014-07-31 |
Attorney, Agent or Firm:
KOSHIKAWA Takao (JP)
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