JPS5423080A - Washing method for semipermeable membrane - Google Patents
Washing method for semipermeable membraneInfo
- 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
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
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)
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)
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 |
-
1977
- 1977-07-25 JP JP8892777A patent/JPS5423080A/en active Pending
Patent Citations (1)
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)
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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