JPS57144083A - Membrane keeping device - Google Patents
Membrane keeping deviceInfo
- Publication number
- JPS57144083A JPS57144083A JP2766081A JP2766081A JPS57144083A JP S57144083 A JPS57144083 A JP S57144083A JP 2766081 A JP2766081 A JP 2766081A JP 2766081 A JP2766081 A JP 2766081A JP S57144083 A JPS57144083 A JP S57144083A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- circulating liquid
- liquid
- irradiated
- sent
- 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 prevent propagation of microorganisms on the surface of membrane and prevent deterioration of membrane in keeping a membrane of membrane separating device during cessation of operation by sending circulating liquid irradiated by ultraviolet rays.
CONSTITUTION: Liquid to be treated is sent to a membrane module 1 by a high pressure pump 2 and concentration and separation are effected. During cessation of operation, circulating liquid is sent into the membrane module 1 from a circulating liquid tank 3 by a pump P and the membrane is kept in wet condition. pH of the circulating liquid is adjusted with a pH adjuster 5 and particles that contaminate the membrane are removed by a suspended matter removing device 6. At the same time, ultraviolet rays are irradiated by an ultraviolet ray irradiating device 7. Sterilized water is circulated continuously and the circulation system and the membrane is maintained in a germfree condition. If necessary, hydrolysis of the membrane can be controlled by installing a heat exchanger 8 and regulating the liquid temperature to 5W30°C.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2766081A JPS57144083A (en) | 1981-02-28 | 1981-02-28 | Membrane keeping device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2766081A JPS57144083A (en) | 1981-02-28 | 1981-02-28 | Membrane keeping device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57144083A true JPS57144083A (en) | 1982-09-06 |
Family
ID=12227083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2766081A Pending JPS57144083A (en) | 1981-02-28 | 1981-02-28 | Membrane keeping device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57144083A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58132589U (en) * | 1982-02-28 | 1983-09-07 | ヤマハ発動機株式会社 | liquid separator |
JP2010162504A (en) * | 2009-01-16 | 2010-07-29 | Panasonic Electric Works Co Ltd | Water treatment apparatus |
-
1981
- 1981-02-28 JP JP2766081A patent/JPS57144083A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58132589U (en) * | 1982-02-28 | 1983-09-07 | ヤマハ発動機株式会社 | liquid separator |
JP2010162504A (en) * | 2009-01-16 | 2010-07-29 | Panasonic Electric Works Co Ltd | Water treatment apparatus |
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