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Title:
DIAGNOSIS METHOD FOR SEPARATION MEMBRANE MODULE AND DETERIORATION DIAGNOSIS DEVICE FOR SEPARATION MEMBRANE MODULE
Document Type and Number:
WIPO Patent Application WO/2023/127810
Kind Code:
A1
Abstract:
Provided is a method of determining the state of a separation membrane module for obtaining filtered water from water to be treated, wherein at least two types of test water consisting of test water containing at least two types of solutes or test water containing at least one type of solute are individually supplied to the separation membrane module, and separation performance is compared on the basis of the concentration of the solute contained in the filtered water, to determine one of the type, degree, and occurrence position of abnormality in the separation membrane module.

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Inventors:
TANIGUCHI MASAHIDE (JP)
TOMIOKA KAZUNORI (JP)
NAKATSUJI KOJI (JP)
UETE TAKAO (JP)
AMAMIYA SEIICHI (JP)
MAEDA TOMOHIRO (JP)
SHIMODA SHINYA (JP)
Application Number:
PCT/JP2022/047956
Publication Date:
July 06, 2023
Filing Date:
December 26, 2022
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D65/10; B01D63/10
Domestic Patent References:
WO2020071507A12020-04-09
Foreign References:
JP2001062255A2001-03-13
CN101957335A2011-01-26
CN110386640A2019-10-29
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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