ZA807101B - Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use - Google Patents
Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their useInfo
- Publication number
- ZA807101B ZA807101B ZA00807101A ZA807101A ZA807101B ZA 807101 B ZA807101 B ZA 807101B ZA 00807101 A ZA00807101 A ZA 00807101A ZA 807101 A ZA807101 A ZA 807101A ZA 807101 B ZA807101 B ZA 807101B
- Authority
- ZA
- South Africa
- Prior art keywords
- membranes
- conditioning
- changing
- diffusion
- diffusion membranes
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792946067 DE2946067A1 (de) | 1979-11-15 | 1979-11-15 | Verfahren zur umstimmung von diffusionsmembranen, die so umgestimmten membranen und ihre verwendung |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA807101B true ZA807101B (en) | 1981-11-25 |
Family
ID=6086016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00807101A ZA807101B (en) | 1979-11-15 | 1980-11-14 | Process for changing the conditioning of diffusion membranes,the membranes thus obtained,and their use |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0029125A1 (fr) |
JP (1) | JPS5681106A (fr) |
DE (1) | DE2946067A1 (fr) |
ZA (1) | ZA807101B (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58183903A (ja) * | 1982-04-21 | 1983-10-27 | Asahi Chem Ind Co Ltd | 水および有機溶媒の再生セルロ−ス膜中での透過速度制御方法 |
US4744807A (en) * | 1986-07-21 | 1988-05-17 | Canadian Patents And Development Ltd. | Method of manufacturing a cellulose acetate membrane and the membrane so produced |
GB2224668A (en) * | 1988-11-09 | 1990-05-16 | Domnick Hunter Filters Ltd | Filter |
US5288818A (en) * | 1991-08-20 | 1994-02-22 | Exxon Chemical Patents Inc. | Method for separating a water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction |
US5215667A (en) * | 1991-08-20 | 1993-06-01 | Exxon Chemical Patents Inc. | Method for separating water soluble noble metal catalyst from a noble metal catalyzed hydroformylation reaction |
US5277811A (en) * | 1992-04-14 | 1994-01-11 | Millipore Corporation | Process for forming porous polymeric product from a nonporous polymeric composition and product |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2621519C3 (de) * | 1976-05-14 | 1982-07-15 | Sartorius GmbH, 3400 Göttingen | Verfahren zur Herstellung von asymmetrischen permselektiven Zellulosetriacetatmembranen mit Skinschicht |
US4120098A (en) * | 1976-06-22 | 1978-10-17 | E. I. Du Pont De Nemours And Company | Solvent exchange drying of membranes for gas separation |
US4080743A (en) * | 1976-06-22 | 1978-03-28 | E. I. Du Pont De Nemours And Company | Membrane drying process |
US4080744A (en) * | 1976-06-22 | 1978-03-28 | E. I. Du Pont De Nemours And Company | Gas separation membrane drying with water replacement liquid |
-
1979
- 1979-11-15 DE DE19792946067 patent/DE2946067A1/de not_active Withdrawn
-
1980
- 1980-10-18 EP EP80106355A patent/EP0029125A1/fr not_active Withdrawn
- 1980-11-14 JP JP15964780A patent/JPS5681106A/ja active Pending
- 1980-11-14 ZA ZA00807101A patent/ZA807101B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2946067A1 (de) | 1981-05-21 |
JPS5681106A (en) | 1981-07-02 |
EP0029125A1 (fr) | 1981-05-27 |
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