GB2139113B - Reverse osmosis membrane and method for the preparation thereof - Google Patents
Reverse osmosis membrane and method for the preparation thereofInfo
- Publication number
- GB2139113B GB2139113B GB08404855A GB8404855A GB2139113B GB 2139113 B GB2139113 B GB 2139113B GB 08404855 A GB08404855 A GB 08404855A GB 8404855 A GB8404855 A GB 8404855A GB 2139113 B GB2139113 B GB 2139113B
- Authority
- GB
- United Kingdom
- Prior art keywords
- preparation
- reverse osmosis
- osmosis membrane
- membrane
- reverse
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
- 238000001223 reverse osmosis Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
-
- 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47672783A | 1983-03-18 | 1983-03-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8404855D0 GB8404855D0 (en) | 1984-03-28 |
GB2139113A GB2139113A (en) | 1984-11-07 |
GB2139113B true GB2139113B (en) | 1987-02-18 |
Family
ID=23893004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08404855A Expired GB2139113B (en) | 1983-03-18 | 1984-02-24 | Reverse osmosis membrane and method for the preparation thereof |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1220990A (en) |
GB (1) | GB2139113B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990002602A1 (en) * | 1988-09-14 | 1990-03-22 | Allied-Signal Inc. | Chlorine-resistant semipermeable membranes |
ATE139713T1 (en) * | 1991-03-12 | 1996-07-15 | Toray Industries | METHOD FOR PRODUCING A PARTIALLY PERMEABLE COMPOSITE MEMBRANE |
ES2050606B1 (en) * | 1992-09-02 | 1994-12-01 | Toray Industries | A PROCEDURE FOR THE PRODUCTION OF A SEMIPERMEABLE MEMBRANE. |
ES2523453T3 (en) | 2011-01-24 | 2014-11-26 | Dow Global Technologies Llc | Method for preparing a polyamide composite membrane |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54151570A (en) * | 1978-05-22 | 1979-11-28 | Teijin Ltd | Selectively permeable composite membrane and its manufacture |
US4277344A (en) * | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
-
1983
- 1983-11-18 CA CA000441485A patent/CA1220990A/en not_active Expired
-
1984
- 1984-02-24 GB GB08404855A patent/GB2139113B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1220990A (en) | 1987-04-28 |
GB8404855D0 (en) | 1984-03-28 |
GB2139113A (en) | 1984-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020224 |