Title:
SPECIFIC RESISTANCE VALUE ADJUSTING DEVICE AND SPECIFIC RESISTANCE VALUE ADJUSTING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/251199
Kind Code:
A1
Abstract:
A specific resistance value adjusting device according to the present invention includes: a hollow fiber membrane module; a liquid supply pipe; a liquid discharge pipe; a gas supply pipe; a gas discharge pipe; a bypass pipe communicating between the liquid supply pipe and the liquid discharge pipe so as to bypass the hollow fiber membrane module; and a first check valve that is provided on the bypass pipe and that changes the flow path opening according to the differential pressure between a liquid supply pipe side and a liquid discharge pipe side.
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Inventors:
ANZAI DAIJIROU (JP)
HADA NAOKI (JP)
OI KAZUMI (JP)
HADA NAOKI (JP)
OI KAZUMI (JP)
Application Number:
PCT/JP2021/020738
Publication Date:
December 16, 2021
Filing Date:
May 31, 2021
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B01F1/00; B01D63/02; B01F3/04; B01F5/06; B01F15/00; B01F15/02
Domestic Patent References:
| WO2016167134A1 | 2016-10-20 |
Foreign References:
| JP2012223725A | 2012-11-15 | |||
| KR101690013B1 | 2017-01-09 | |||
| JP2000159504A | 2000-06-13 | |||
| JPH11128704A | 1999-05-18 | |||
| JP2008211096A | 2008-09-11 | |||
| JP2001293342A | 2001-10-23 | |||
| JP2012101173A | 2012-05-31 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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