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JPS53125979A - Method of treating membrane - Google Patents

Method of treating membrane

Info

Publication number
JPS53125979A
JPS53125979A JP4097777A JP4097777A JPS53125979A JP S53125979 A JPS53125979 A JP S53125979A JP 4097777 A JP4097777 A JP 4097777A JP 4097777 A JP4097777 A JP 4097777A JP S53125979 A JPS53125979 A JP S53125979A
Authority
JP
Japan
Prior art keywords
treating membrane
membrane
treating
polybenzimidazolone
restore
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4097777A
Other languages
Japanese (ja)
Other versions
JPS6038167B2 (en
Inventor
Takashi Noma
Yutaka Takeya
Ko Mori
Yuzuru Hayashi
Shigeyoshi Hara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teijin Ltd filed Critical Teijin Ltd
Priority to JP4097777A priority Critical patent/JPS6038167B2/en
Publication of JPS53125979A publication Critical patent/JPS53125979A/en
Publication of JPS6038167B2 publication Critical patent/JPS6038167B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To restore the deterioration in the amount of permeating water of a polybenzimidazolone selective permeable membrane which was caused by chlorine oxide by contacting thereof with an alkaline solution.
COPYRIGHT: (C)1978,JPO&Japio
JP4097777A 1977-04-12 1977-04-12 Membrane treatment method Expired JPS6038167B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4097777A JPS6038167B2 (en) 1977-04-12 1977-04-12 Membrane treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4097777A JPS6038167B2 (en) 1977-04-12 1977-04-12 Membrane treatment method

Publications (2)

Publication Number Publication Date
JPS53125979A true JPS53125979A (en) 1978-11-02
JPS6038167B2 JPS6038167B2 (en) 1985-08-30

Family

ID=12595490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4097777A Expired JPS6038167B2 (en) 1977-04-12 1977-04-12 Membrane treatment method

Country Status (1)

Country Link
JP (1) JPS6038167B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107149879A (en) * 2016-03-02 2017-09-12 上海丰信环保科技有限公司 Clean the cleaning method of the reverse osmosis membrane polluted by polyacrylamide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6973565B1 (en) * 2020-05-28 2021-12-01 栗田工業株式会社 Reverse osmosis membrane treatment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107149879A (en) * 2016-03-02 2017-09-12 上海丰信环保科技有限公司 Clean the cleaning method of the reverse osmosis membrane polluted by polyacrylamide

Also Published As

Publication number Publication date
JPS6038167B2 (en) 1985-08-30

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