JPS5681105A - Treatment of membrane - Google Patents
Treatment of membraneInfo
- Publication number
- JPS5681105A JPS5681105A JP15740379A JP15740379A JPS5681105A JP S5681105 A JPS5681105 A JP S5681105A JP 15740379 A JP15740379 A JP 15740379A JP 15740379 A JP15740379 A JP 15740379A JP S5681105 A JPS5681105 A JP S5681105A
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- aqueous solution
- active layer
- water
- bond
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15740379A JPS5681105A (en) | 1979-12-06 | 1979-12-06 | Treatment of membrane |
EP80304351A EP0030451A3 (en) | 1979-12-06 | 1980-12-03 | Method for recovering efficiency of semipermeable membrane |
CA000366187A CA1166813A (en) | 1979-12-06 | 1980-12-05 | Method for recovering efficiency of semipermeable membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15740379A JPS5681105A (en) | 1979-12-06 | 1979-12-06 | Treatment of membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5681105A true JPS5681105A (en) | 1981-07-02 |
JPS6225402B2 JPS6225402B2 (ja) | 1987-06-03 |
Family
ID=15648864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15740379A Granted JPS5681105A (en) | 1979-12-06 | 1979-12-06 | Treatment of membrane |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0030451A3 (ja) |
JP (1) | JPS5681105A (ja) |
CA (1) | CA1166813A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845712A (ja) * | 1981-09-11 | 1983-03-17 | Asahi Chem Ind Co Ltd | 限外炉過膜の能力回復方法 |
JPS58128109A (ja) * | 1982-01-27 | 1983-07-30 | Mitsubishi Rayon Co Ltd | 膜の洗滌法 |
JP2011224506A (ja) * | 2010-04-22 | 2011-11-10 | Kobelco Eco-Solutions Co Ltd | 分離膜の改質方法、及び分離膜の改質装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0337499A3 (en) * | 1983-11-26 | 1989-11-29 | Matsushita Electric Industrial Co., Ltd. | Method for regenerating used gas-permeable films |
DE3482378D1 (de) * | 1983-11-26 | 1990-07-05 | Matsushita Electric Ind Co Ltd | Zusammengesetzte, fuer selektive gastrennung geeignete folien. |
US4719062A (en) * | 1986-04-23 | 1988-01-12 | E. I. Du Pont De Nemours And Company | Extractant-surfactant post-treatments of permselective composite membranes |
US4966220A (en) * | 1987-09-08 | 1990-10-30 | Brunswick Corporation | Evaporable foam casting system utilizing a hypereutectic aluminum-silicon alloy |
DE4007219A1 (de) * | 1990-03-07 | 1991-09-12 | Siemens Nixdorf Inf Syst | Warenerfassungsgeraet fuer verkaufsgeschaefte |
ES2213484B1 (es) * | 2003-02-10 | 2005-12-01 | Empresa Mixta De Aguas De Las Palmas, S.A. (Emalsa) | Proceso de reconversion de membranas de osmosis inversa. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3250701A (en) * | 1965-09-15 | 1966-05-10 | Aerojet General Co | Stabilization of desalination membranes |
US3536612A (en) * | 1968-10-28 | 1970-10-27 | Canadian Patents Dev | Increasing permeability of reverse osmosis membranes |
US3808303A (en) * | 1971-12-30 | 1974-04-30 | Du Pont | Ether treatment of nitrogen-containing polymer membranes |
US4085090A (en) * | 1974-05-31 | 1978-04-18 | Teijin Limited | Aromatic polymers containing a nitrogen-containing ring group, and process for preparation thereof |
JPS5633961B2 (ja) * | 1974-12-19 | 1981-08-07 | ||
US4260652A (en) * | 1977-06-08 | 1981-04-07 | Teijin Limited | Preparation of permselective composite membrane |
JPS5479177A (en) * | 1977-12-08 | 1979-06-23 | Ebara Infilco Co Ltd | Removing method for contaminant adhered to membrane |
JPS54151570A (en) * | 1978-05-22 | 1979-11-28 | Teijin Ltd | Selectively permeable composite membrane and its manufacture |
-
1979
- 1979-12-06 JP JP15740379A patent/JPS5681105A/ja active Granted
-
1980
- 1980-12-03 EP EP80304351A patent/EP0030451A3/en not_active Ceased
- 1980-12-05 CA CA000366187A patent/CA1166813A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5845712A (ja) * | 1981-09-11 | 1983-03-17 | Asahi Chem Ind Co Ltd | 限外炉過膜の能力回復方法 |
JPH0470928B2 (ja) * | 1981-09-11 | 1992-11-12 | Asahi Chemical Ind | |
JPS58128109A (ja) * | 1982-01-27 | 1983-07-30 | Mitsubishi Rayon Co Ltd | 膜の洗滌法 |
JP2011224506A (ja) * | 2010-04-22 | 2011-11-10 | Kobelco Eco-Solutions Co Ltd | 分離膜の改質方法、及び分離膜の改質装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6225402B2 (ja) | 1987-06-03 |
EP0030451A2 (en) | 1981-06-17 |
CA1166813A (en) | 1984-05-08 |
EP0030451A3 (en) | 1981-07-08 |
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