JPS5771607A - Cleaning of osmotic membrane - Google Patents
Cleaning of osmotic membraneInfo
- Publication number
- JPS5771607A JPS5771607A JP14870680A JP14870680A JPS5771607A JP S5771607 A JPS5771607 A JP S5771607A JP 14870680 A JP14870680 A JP 14870680A JP 14870680 A JP14870680 A JP 14870680A JP S5771607 A JPS5771607 A JP S5771607A
- Authority
- JP
- Japan
- Prior art keywords
- water
- osmotic membrane
- flashed
- dipped
- cleaning
- 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 raise the efficiency of cleaning of osmotic membrane by a method in which the osmotic membrane is dipped in water, flashed by pressurized water, washed with an aqueous sodium hypochlorite solution, again flashed by pressurized water, again dipped in water, and lastly washed with a surfactant solution.
CONSTITUTION: In cleaning foulness caused by impurities in water on an osmotic membrane of cellulose acetate, etc., when being used for the manufacture of pure water, the osmotic membrane is dipped in water for 20hr or more, flashed by a pressurized water of 2W4kg/cm2, and then washed with a 10W30% sodium hypochlorite aqueous solution. Again, the osmotic membrane is flashed by the pressurized water, dipped in water for 20hr or more, and then washed with a surfactant solution. Thus, as well as inorganics, e.g., Fe, Ca, SiO2, etc., foulness caused by water organisms, e.g., moss, etc., can be cleaned with high cleaning efficiency.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14870680A JPS5771607A (en) | 1980-10-23 | 1980-10-23 | Cleaning of osmotic membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14870680A JPS5771607A (en) | 1980-10-23 | 1980-10-23 | Cleaning of osmotic membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5771607A true JPS5771607A (en) | 1982-05-04 |
Family
ID=15458768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14870680A Pending JPS5771607A (en) | 1980-10-23 | 1980-10-23 | Cleaning of osmotic membrane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5771607A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08141375A (en) * | 1994-11-22 | 1996-06-04 | Daicel Chem Ind Ltd | Cleaning method for filtration film module |
| CN107511081A (en) * | 2017-10-13 | 2017-12-26 | 中国科学院生态环境研究中心 | A kind of preparation method of antipollution PTFE CA/SiNPs composite membranes |
| CN107737529A (en) * | 2017-10-13 | 2018-02-27 | 中国科学院生态环境研究中心 | A kind of preparation method of super-hydrophobic oleophobic composite membrane |
| CN110624419A (en) * | 2019-11-04 | 2019-12-31 | 山东鲁东环保科技有限公司 | Reverse osmosis membrane environment-friendly recycling method |
-
1980
- 1980-10-23 JP JP14870680A patent/JPS5771607A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08141375A (en) * | 1994-11-22 | 1996-06-04 | Daicel Chem Ind Ltd | Cleaning method for filtration film module |
| CN107511081A (en) * | 2017-10-13 | 2017-12-26 | 中国科学院生态环境研究中心 | A kind of preparation method of antipollution PTFE CA/SiNPs composite membranes |
| CN107737529A (en) * | 2017-10-13 | 2018-02-27 | 中国科学院生态环境研究中心 | A kind of preparation method of super-hydrophobic oleophobic composite membrane |
| CN107737529B (en) * | 2017-10-13 | 2021-06-01 | 中国科学院生态环境研究中心 | A kind of preparation method of superhydrophobic and oleophobic composite membrane |
| CN110624419A (en) * | 2019-11-04 | 2019-12-31 | 山东鲁东环保科技有限公司 | Reverse osmosis membrane environment-friendly recycling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS55129107A (en) | Washing method of selective permeable membrane | |
| JPS5771607A (en) | Cleaning of osmotic membrane | |
| JPS5372360A (en) | Method of cleaning filter medium | |
| JPS5357185A (en) | Improved preserving method for selectively permeable membrane | |
| JPS5424370A (en) | Method for washing filter membranes for use in filters | |
| JPS5564846A (en) | Cleaning method for ion exchange membrane | |
| JPS5651207A (en) | Cleaning of selective permeable membrane | |
| JPS5573390A (en) | Treatment method for water | |
| JPS5753204A (en) | Method for washing membrane module | |
| JPS5439952A (en) | Method of producing purified water | |
| JPS53125979A (en) | Method of treating membrane | |
| JPS5234547A (en) | Treating waste water containing polyvinyl alochol | |
| JPS5499775A (en) | Purifying method for gas containing lower aldehydes | |
| JPS5293672A (en) | Desulfurization process of exhaust gas | |
| JPS572682A (en) | Washing method of cell | |
| JPS529027A (en) | Preparation of water-insoluble monoazo dye | |
| JPS52121520A (en) | Cleaning of hollow fiber | |
| JPS56140109A (en) | Refining of wild silk yarn | |
| JPS5370984A (en) | Improving method for current efficiency of cation exchange membrane | |
| JPS54137482A (en) | Regeneration of flouric cation-exchange membrane | |
| JPS51121862A (en) | Filtering material for sea water or fresh water to clean by circulatio n in fish tank | |
| JPS52129606A (en) | Equipment for purifying sodium | |
| JPS5372384A (en) | Control system for dehydrating washer | |
| JPS5423080A (en) | Washing method for semipermeable membrane | |
| JPS5287861A (en) | Method of removing nitric ion in waste water |