FR2482468A1 - Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane - Google Patents
Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane Download PDFInfo
- Publication number
- FR2482468A1 FR2482468A1 FR8011124A FR8011124A FR2482468A1 FR 2482468 A1 FR2482468 A1 FR 2482468A1 FR 8011124 A FR8011124 A FR 8011124A FR 8011124 A FR8011124 A FR 8011124A FR 2482468 A1 FR2482468 A1 FR 2482468A1
- Authority
- FR
- France
- Prior art keywords
- fiber
- membrane
- solution
- fibers
- opening
- 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
- 239000000835 fiber Substances 0.000 title claims abstract description 113
- 239000012528 membrane Substances 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 22
- 150000003839 salts Chemical class 0.000 title abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000009987 spinning Methods 0.000 claims description 20
- 239000012510 hollow fiber Substances 0.000 claims description 16
- 229920002492 poly(sulfone) Polymers 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 13
- 208000029422 Hypernatremia Diseases 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 7
- 229920002873 Polyethylenimine Polymers 0.000 claims description 7
- 230000009172 bursting Effects 0.000 claims description 7
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 125000005442 diisocyanate group Chemical group 0.000 claims description 3
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 claims 1
- MHABMANUFPZXEB-UHFFFAOYSA-N O-demethyl-aloesaponarin I Natural products O=C1C2=CC=CC(O)=C2C(=O)C2=C1C=C(O)C(C(O)=O)=C2C MHABMANUFPZXEB-UHFFFAOYSA-N 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 239000011800 void material Substances 0.000 claims 1
- 238000010612 desalination reaction Methods 0.000 abstract description 5
- 230000004907 flux Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 49
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 239000012527 feed solution Substances 0.000 description 19
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012695 Interfacial polymerization Methods 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000013504 Triton X-100 Substances 0.000 description 2
- 229920004890 Triton X-100 Polymers 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920002301 cellulose acetate Polymers 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JXCHMDATRWUOAP-UHFFFAOYSA-N diisocyanatomethylbenzene Chemical compound O=C=NC(N=C=O)C1=CC=CC=C1 JXCHMDATRWUOAP-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- 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
- B01D69/08—Hollow fibre membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8011124A FR2482468A1 (en) | 1980-05-19 | 1980-05-19 | Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8011124A FR2482468A1 (en) | 1980-05-19 | 1980-05-19 | Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2482468A1 true FR2482468A1 (en) | 1981-11-20 |
| FR2482468B1 FR2482468B1 (enrdf_load_stackoverflow) | 1989-01-13 |
Family
ID=9242100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8011124A Granted FR2482468A1 (en) | 1980-05-19 | 1980-05-19 | Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2482468A1 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994000222A1 (en) * | 1992-06-23 | 1994-01-06 | Minntech Corporation | Hollow fiber membrane incorporating a surfactant and process for preparing same |
| US5762798A (en) * | 1991-04-12 | 1998-06-09 | Minntech Corporation | Hollow fiber membranes and method of manufacture |
| USRE36914E (en) * | 1992-10-07 | 2000-10-17 | Minntech Corp | Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE677764A (enrdf_load_stackoverflow) * | 1966-02-21 | 1966-08-01 | ||
| DE2452026B1 (de) * | 1974-11-02 | 1975-11-20 | Berghof Forschungsinst | Zusammengesetzte asymmetrische Membranen |
| US4039440A (en) * | 1972-09-19 | 1977-08-02 | The United States Of America As Represented By The Secretary Of The Interior | Reverse osmosis membrane |
| US4051300A (en) * | 1973-09-03 | 1977-09-27 | Gulf South Research Institute | Hollow synthetic fibers |
| FR2388583A1 (fr) * | 1977-04-25 | 1978-11-24 | Rohm & Haas | Membranes de desionisation et leur procede de preparation |
| FR2410501A1 (fr) * | 1976-11-15 | 1979-06-29 | Monsanto Co | Membranes a composants multiples pour des separations de gaz |
-
1980
- 1980-05-19 FR FR8011124A patent/FR2482468A1/fr active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE677764A (enrdf_load_stackoverflow) * | 1966-02-21 | 1966-08-01 | ||
| US4039440A (en) * | 1972-09-19 | 1977-08-02 | The United States Of America As Represented By The Secretary Of The Interior | Reverse osmosis membrane |
| US4051300A (en) * | 1973-09-03 | 1977-09-27 | Gulf South Research Institute | Hollow synthetic fibers |
| DE2452026B1 (de) * | 1974-11-02 | 1975-11-20 | Berghof Forschungsinst | Zusammengesetzte asymmetrische Membranen |
| FR2410501A1 (fr) * | 1976-11-15 | 1979-06-29 | Monsanto Co | Membranes a composants multiples pour des separations de gaz |
| FR2388583A1 (fr) * | 1977-04-25 | 1978-11-24 | Rohm & Haas | Membranes de desionisation et leur procede de preparation |
Non-Patent Citations (2)
| Title |
|---|
| DESALINATION, vol. 20, 1977, Elsevier Scientific Publishing Company, Amsterdam (NL) * |
| JOURNAL OF APPLIED POLYMER SCIENCE, vol. 23, 1979, John Wiley & Sons, Inc., New York (US) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5762798A (en) * | 1991-04-12 | 1998-06-09 | Minntech Corporation | Hollow fiber membranes and method of manufacture |
| WO1994000222A1 (en) * | 1992-06-23 | 1994-01-06 | Minntech Corporation | Hollow fiber membrane incorporating a surfactant and process for preparing same |
| USRE36914E (en) * | 1992-10-07 | 2000-10-17 | Minntech Corp | Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2482468B1 (enrdf_load_stackoverflow) | 1989-01-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |