METHOD FOR PRODUCING SLIME-SUPPRESSING AUXILIARY AGENT FOR REVERSE OSMOSIS MEMBRANE, SLIME-SUPPRESSING AUXILIARY AGENT FOR REVERSE OSMOSIS MEMBRANE, AND WATER TREATMENT METHOD

Title:

METHOD FOR PRODUCING SLIME-SUPPRESSING AUXILIARY AGENT FOR REVERSE OSMOSIS MEMBRANE, SLIME-SUPPRESSING AUXILIARY AGENT FOR REVERSE OSMOSIS MEMBRANE, AND WATER TREATMENT METHOD

Document Type and Number:

WIPO Patent Application WO/2024/048154

Kind Code:

A1

Abstract:

Provided is a method for producing a slime-suppressing auxiliary agent which is for a reverse osmosis membrane and which contains an iodide and suppresses the release of iodine. This method for producing a slime-suppressing auxiliary agent for a reverse osmosis membrane comprises an addition step for adding an iodide and an alkali agent to water having a free chlorine concentration of 0.2 mg/L or less.

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Inventors:

MORI MITSUYA (JP)
YAMAMOTO SHOHEI (JP)

Application Number:

PCT/JP2023/027696

Publication Date:

March 07, 2024

Filing Date:

July 28, 2023

Export Citation:

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Assignee:

ORGANO CORP (JP)

International Classes:

C02F1/50; B01D61/58; C02F1/44

Domestic Patent References:

WO2021192583A1

2021-09-30

Foreign References:

JP2015186774A	2015-10-29
JP2020163354A	2020-10-08
JP2022055644A	2022-04-08