JPS5423080A - Washing method for semipermeable membrane - Google Patents

Washing method for semipermeable membrane

Info

Publication number
JPS5423080A
JPS5423080A JP8892777A JP8892777A JPS5423080A JP S5423080 A JPS5423080 A JP S5423080A JP 8892777 A JP8892777 A JP 8892777A JP 8892777 A JP8892777 A JP 8892777A JP S5423080 A JPS5423080 A JP S5423080A
Authority
JP
Japan
Prior art keywords
membrane
semipermeable membrane
washing method
washign
ultrafiltaraion
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.)
Pending
Application number
JP8892777A
Other languages
Japanese (ja)
Inventor
Takemoto Kamata
Shoichi Fujii
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.)
Mitsubishi Rayon Co Ltd
Mitsubishi Rayon Engineering Co Ltd
Original Assignee
Mitsubishi Rayon Co Ltd
Mitsubishi Rayon Engineering Co 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 Mitsubishi Rayon Co Ltd, Mitsubishi Rayon Engineering Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP8892777A priority Critical patent/JPS5423080A/en
Publication of JPS5423080A publication Critical patent/JPS5423080A/en
Pending legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE: To clean ultrafiltaraion or reverse osmotic membrane made of polymeric semipermeable membrane, especially polyacrylonitrile without causing deterioration of the membrane, by washign the membrane with an aq. soln. contg. ethylenediaminetetraacetic acid and sodium perborate.
COPYRIGHT: (C)1979,JPO&Japio
JP8892777A 1977-07-25 1977-07-25 Washing method for semipermeable membrane Pending JPS5423080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8892777A JPS5423080A (en) 1977-07-25 1977-07-25 Washing method for semipermeable membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8892777A JPS5423080A (en) 1977-07-25 1977-07-25 Washing method for semipermeable membrane

Publications (1)

Publication Number Publication Date
JPS5423080A true JPS5423080A (en) 1979-02-21

Family

ID=13956532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8892777A Pending JPS5423080A (en) 1977-07-25 1977-07-25 Washing method for semipermeable membrane

Country Status (1)

Country Link
JP (1) JPS5423080A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115375A2 (en) * 1983-01-05 1984-08-08 E.I. Du Pont De Nemours And Company Semi-permeable membrane storage solutions

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271386A (en) * 1975-12-12 1977-06-14 Ebara Infilco Co Ltd Method of removing membrane contaminants

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5271386A (en) * 1975-12-12 1977-06-14 Ebara Infilco Co Ltd Method of removing membrane contaminants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115375A2 (en) * 1983-01-05 1984-08-08 E.I. Du Pont De Nemours And Company Semi-permeable membrane storage solutions

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