Title:
METHOD FOR OPERATING DESALTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/166905
Kind Code:
A1
Abstract:
This method operates a desalting device having a first desalting device and a second desalting device, the method involving: a normal operation step for supplying water to be treated to the first desalting device, separating the water to be treated into first concentrated water and first desalted water, supplying the first concentrated water to the second desalting device, and separating the first concentrated water into second concentrated water and second desalted water; and a dilute water passing operation step for passing dilute water having a concentration lower than the first concentrated water through the second desalting device before a corrected permeated water amount of the second desalting device decreases.
Inventors:
ISHII KAZUKI (JP)
Application Number:
PCT/JP2023/003390
Publication Date:
September 07, 2023
Filing Date:
February 02, 2023
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
B01D61/12; B01D61/58; C02F1/44
Domestic Patent References:
| WO2017158887A1 | 2017-09-21 |
Foreign References:
| JP2021037480A | 2021-03-11 | |||
| JP2021037481A | 2021-03-11 | |||
| CN112919693A | 2021-06-08 |
Attorney, Agent or Firm:
SHIGENO, Tsuyoshi et al. (JP)
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