JPS5245591A - Reverse osmotic membrane - Google Patents
Reverse osmotic membraneInfo
- Publication number
- JPS5245591A JPS5245591A JP50122257A JP12225775A JPS5245591A JP S5245591 A JPS5245591 A JP S5245591A JP 50122257 A JP50122257 A JP 50122257A JP 12225775 A JP12225775 A JP 12225775A JP S5245591 A JPS5245591 A JP S5245591A
- Authority
- JP
- Japan
- Prior art keywords
- osmotic membrane
- reverse osmotic
- water
- reverse
- salt
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
PURPOSE: To produce an improved reverse osmotic membrane comprising aromatic polyester amide or hydrazide copolymer suitable for salt-to-fresh water distillation by reverse osmosis, water reclamation process by higher treatment of waste water, etc.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50122257A JPS5245591A (en) | 1975-10-08 | 1975-10-08 | Reverse osmotic membrane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50122257A JPS5245591A (en) | 1975-10-08 | 1975-10-08 | Reverse osmotic membrane |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5245591A true JPS5245591A (en) | 1977-04-11 |
JPS5624565B2 JPS5624565B2 (en) | 1981-06-06 |
Family
ID=14831463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50122257A Granted JPS5245591A (en) | 1975-10-08 | 1975-10-08 | Reverse osmotic membrane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5245591A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251376A2 (en) * | 1986-06-20 | 1988-01-07 | ENIRICERCHE S.p.A. | Asymmetrical membrane of polyesteramide and process for preparing it |
EP0254334A2 (en) * | 1986-06-20 | 1988-01-27 | ENIRICERCHE S.p.A. | Hollow fibre of polyester-amide and process for preparing it |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
US3878109A (en) * | 1972-08-30 | 1975-04-15 | Toray Industries | Aromatic polyamides for reverse osmosis and methods of their permselective polymeric membranes |
-
1975
- 1975-10-08 JP JP50122257A patent/JPS5245591A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3567632A (en) * | 1968-09-04 | 1971-03-02 | Du Pont | Permselective,aromatic,nitrogen-containing polymeric membranes |
US3878109A (en) * | 1972-08-30 | 1975-04-15 | Toray Industries | Aromatic polyamides for reverse osmosis and methods of their permselective polymeric membranes |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251376A2 (en) * | 1986-06-20 | 1988-01-07 | ENIRICERCHE S.p.A. | Asymmetrical membrane of polyesteramide and process for preparing it |
EP0254334A2 (en) * | 1986-06-20 | 1988-01-27 | ENIRICERCHE S.p.A. | Hollow fibre of polyester-amide and process for preparing it |
Also Published As
Publication number | Publication date |
---|---|
JPS5624565B2 (en) | 1981-06-06 |
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