Title:
METHOD FOR OPERATING ELECTRIC DEIONIZER
Document Type and Number:
WIPO Patent Application WO/2023/176574
Kind Code:
A1
Abstract:
Provided is a method for operating an electric deionizer, in which concentration chambers and desalination chambers are defined between an anode and a cathode by an ion exchange membrane, concentrated water flows through the concentration chambers, raw water flows through the desalination chambers as water to be treated, and the treated water is extracted as product water, the method being characterized in that the water flows through all of the concentration chambers in the opposite direction of the water-flowing direction of the water to be treated in the desalination chambers.
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Inventors:
KATO TERUHISA (JP)
ABE KOYA (JP)
ABE KOYA (JP)
Application Number:
PCT/JP2023/008491
Publication Date:
September 21, 2023
Filing Date:
March 07, 2023
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
B01D61/54; C02F1/469
Foreign References:
| JP2004267907A | 2004-09-30 | |||
| JP2002205069A | 2002-07-23 | |||
| JP2021102206A | 2021-07-15 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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