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Patent Searching and Data


Title:
WATER TREATMENT METHOD AND WATER TREATMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/190727
Kind Code:
A1
Abstract:
A water treatment device for removing dissolved oxygen from water to be treated comprises a positive electrode 11, a negative electrode 12, and a dissolved oxygen removal chamber 23 which is disposed between the positive electrode 11 and the negative electrode 12 and in which an ion exchanger is filled. At least part of the ion exchanger filled in the dissolved oxygen removal chamber 23 is an ion exchanger supporting a metal catalyst, such as a palladium-supporting anion exchange resin (Pd AER). The ion exchanger supporting the metal catalyst is filled in a single floor state in at least part of the dissolved oxygen removal chamber 23. The water to be treated, containing hydrogen due to having passed through a negative electrode chamber 25 in which the negative electrode 12 is provided, while a direct current is applied between the positive electrode and the negative electrode, is supplied to the dissolved oxygen removal chamber 23.

Inventors:
SASAKI KEISUKE (JP)
ABE MAYU (JP)
SUDO FUMIO (JP)
YAMADA HIROSHI (JP)
KONDO TSUKASA (JP)
Application Number:
PCT/JP2022/004236
Publication Date:
September 15, 2022
Filing Date:
February 03, 2022
Export Citation:
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Assignee:
ORGANO CORP (JP)
International Classes:
B01D61/44; B01D61/48; C02F1/44; C02F1/469; C02F1/58; C02F1/70
Foreign References:
JPH10272474A1998-10-13
JP2007185587A2007-07-26
JPH06320165A1994-11-22
JP2003094064A2003-04-02
JP2003190961A2003-07-08
Attorney, Agent or Firm:
MIYAZAKI Teruo et al. (JP)
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