BE788441A - Membrane d'acetal de polyvinyle - Google Patents
Membrane d'acetal de polyvinyleInfo
- Publication number
- BE788441A BE788441A BE788441DA BE788441A BE 788441 A BE788441 A BE 788441A BE 788441D A BE788441D A BE 788441DA BE 788441 A BE788441 A BE 788441A
- Authority
- BE
- Belgium
- Prior art keywords
- polyvinylacetal
- ultra
- membrane
- filtration dialysis
- osmosis etc
- Prior art date
Links
Classifications
-
- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/381—Polyvinylalcohol
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/085—Thickening liquid suspensions by filtration with membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/28—Apparatus therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17840771A | 1971-09-07 | 1971-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE788441A true BE788441A (fr) | 1973-03-06 |
Family
ID=22652440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE788441D BE788441A (fr) | 1971-09-07 | Membrane d'acetal de polyvinyle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4836080A (fr) |
| BE (1) | BE788441A (fr) |
| IT (1) | IT967197B (fr) |
| SE (1) | SE393752B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51103085A (ja) * | 1975-03-07 | 1976-09-11 | Unitika Ltd | Horibiniruasetaarugyakushintomakuno seizohoho |
-
0
- BE BE788441D patent/BE788441A/fr unknown
-
1972
- 1972-09-06 SE SE7211484A patent/SE393752B/xx unknown
- 1972-09-06 JP JP47089472A patent/JPS4836080A/ja active Pending
- 1972-09-06 IT IT28875/72A patent/IT967197B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT967197B (it) | 1974-02-28 |
| JPS4836080A (fr) | 1973-05-28 |
| SE393752B (sv) | 1977-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4026977A (en) | Preparation of anisotropic semi-permeable membranes of polyaryl ether/sulphones | |
| CA966067A (en) | Reverse osmosis process using crosslinked aromatic polyamide membranes | |
| FR2331602A1 (fr) | Compositions a base de polymeres du type polysulfone pour membranes d'osmose inverse | |
| CA943731A (en) | Textured membranes for blood dialyzers, oxygenators and the like | |
| JPS5226380A (en) | Method of making semipermeable membranes | |
| BE753089A (fr) | Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee | |
| ES403121A1 (es) | Procedimiento para la preparacion de membranas anisotropas semipermeables de poliarileter-sulfonas sulfonadas. | |
| ES394932A1 (es) | Procedimiento para la preparacion de membranas semi-permea-bles. | |
| SE7409686L (sv) | Polyvinyl-koacetalhartser, forfarande for deras framstellning, samt semipermeabla membran, framstellda av polyvinyl-koacetalhartser. | |
| AU474000B2 (en) | Hydrocarbon separation using semipermeable membranes | |
| SE7411533L (fr) | ||
| IL38833A0 (en) | Separation apparatus employing semipermeable membranes especially useful for ultrafiltration | |
| IT994997B (it) | Membrane semipermeabili | |
| IT1055704B (it) | Membrane polimeriche permselettive di poliammidi o poliidrrazidi or ganiche | |
| BE746629A (fr) | Procede pour la formation de membranes semi-permeables pour dessalementd'eaux saumatres et marines, par hyperfiltration, et membranes produites par le susdit procede | |
| CA940676A (en) | Pressure casting of tubular reverse osmosis membranes | |
| BE788441A (fr) | Membrane d'acetal de polyvinyle | |
| IL50941A0 (en) | Membrane module for reverse osmosis or ultrafiltration processes | |
| IT1030867B (it) | Membrane semipermeabili per frazionare miscele fluide | |
| FR2413108A1 (fr) | Procede pour la fabrication de membranes semi-permeables | |
| JPS5249992A (en) | Membrane-forming liquid used for the production of semipermeable membr anes for separation of a solvent | |
| JPS5249988A (en) | Manufacturing method of semi-permeable membrane | |
| CA1024711A (fr) | Membrane anisotrope a osmose inverse fabriquee a partir d'amides de polypiperazine; mode de fabrication | |
| AU485156B2 (en) | Semipermeable ultrafiltration membrane and process forthe preparation thereof | |
| FR2043917A5 (en) | Uniform porosity membranes for artificial - kidney or lung machines |