IT1030867B - Membrane semipermeabili per frazionare miscele fluide - Google Patents
Membrane semipermeabili per frazionare miscele fluideInfo
- Publication number
- IT1030867B IT1030867B IT3015374A IT3015374A IT1030867B IT 1030867 B IT1030867 B IT 1030867B IT 3015374 A IT3015374 A IT 3015374A IT 3015374 A IT3015374 A IT 3015374A IT 1030867 B IT1030867 B IT 1030867B
- Authority
- IT
- Italy
- Prior art keywords
- esp
- reverse osmosis
- liquids
- gas permeation
- fractionation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
-
- 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
-
- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
- B01D71/80—Block polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
- C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2340/00—Filter material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Non-Alcoholic Beverages (AREA)
- Laminated Bodies (AREA)
- Peptides Or Proteins (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7343242A FR2252862B1 (xx) | 1973-12-04 | 1973-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1030867B true IT1030867B (it) | 1979-04-10 |
Family
ID=9128694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT3015374A IT1030867B (it) | 1973-12-04 | 1974-12-03 | Membrane semipermeabili per frazionare miscele fluide |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5099973A (xx) |
BR (1) | BR7410080A (xx) |
DK (1) | DK628174A (xx) |
IL (1) | IL46176A0 (xx) |
IT (1) | IT1030867B (xx) |
SE (1) | SE7415145L (xx) |
ZA (1) | ZA747678B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7809835A (nl) * | 1978-09-28 | 1980-04-01 | Wafilin Bv | Gemodificeerd membraan voor membraanfiltratie. |
JPS614506A (ja) * | 1984-06-15 | 1986-01-10 | Nitto Electric Ind Co Ltd | ポリスルホン複合半透膜及びその製造方法 |
JPS614505A (ja) * | 1984-06-15 | 1986-01-10 | Nitto Electric Ind Co Ltd | ポリスルホン複合半透膜及びその製造方法 |
JPS6219205A (ja) * | 1985-07-17 | 1987-01-28 | Nok Corp | 限外ロ過膜の製造方法 |
-
1974
- 1974-12-03 JP JP49139350A patent/JPS5099973A/ja active Pending
- 1974-12-03 ZA ZA00747678A patent/ZA747678B/xx unknown
- 1974-12-03 IL IL46176A patent/IL46176A0/xx unknown
- 1974-12-03 SE SE7415145A patent/SE7415145L/xx unknown
- 1974-12-03 DK DK628174A patent/DK628174A/da unknown
- 1974-12-03 BR BR10080/74A patent/BR7410080A/pt unknown
- 1974-12-03 IT IT3015374A patent/IT1030867B/it active
Also Published As
Publication number | Publication date |
---|---|
BR7410080A (pt) | 1976-06-08 |
ZA747678B (en) | 1975-12-31 |
JPS5099973A (xx) | 1975-08-08 |
IL46176A0 (en) | 1975-03-13 |
DK628174A (xx) | 1975-07-28 |
SE7415145L (xx) | 1975-06-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE479492T1 (de) | Verwendung einer geladenen porösen membran zur herstellung von weichwasser | |
ES8607034A1 (es) | Un procedimiento para formar una membrana compuesta de peli-cula fina para osmosis inversa | |
IE35878B1 (en) | Dialysis and ultrafiltration of a liquid | |
GB1390418A (en) | Reverse osmosis process using cross-linked aromatic polyamide membranes | |
EP1098691A4 (en) | SEMI-PERMEABLE ANTIMICROBIAL MEMBRANES | |
CA943731A (en) | Textured membranes for blood dialyzers, oxygenators and the like | |
ATE12589T1 (de) | Halbdurchlaessige hochleistungs-composite-membran und verfahren zu ihrer herstellung. | |
IE45936L (en) | Semipermeable membrane | |
FR2330695B3 (xx) | ||
GB1488300A (en) | Asymmetric semipermeable membranes of poly(cyclic ureas) | |
GB1270172A (en) | Permselective membrane and method of making such membrane | |
JPS5417978A (en) | Hydrophilic and porous composite structure and its production | |
IT1030867B (it) | Membrane semipermeabili per frazionare miscele fluide | |
Kleinstreuer et al. | Mathematical modeling of fluid flow and solute distribution in pressure-driven membrane modules | |
ES403706A1 (es) | Mejoras introducidas en un procedimiento para reducir el contenido de agua de productos residuales acuosos. | |
FR2180446A1 (en) | Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean | |
Plummer et al. | Development of sulfonated polyphenylene oxide membranes for reverse osmosis | |
FR2413108A1 (fr) | Procede pour la fabrication de membranes semi-permeables | |
FR2293960A2 (fr) | Membranes | |
FR2281781A1 (fr) | Dispositif de filtration a diaphragme semi-permeable pour l'insertion dans un melange fluide ou pour la separation d'au moins un composant d'un tel melange | |
FR2193633A1 (en) | Membrane sepn cell - for fractionating fluids by dialysis, (reverse) osmosis, ultrafiltration etc | |
FR2236539A1 (en) | Biological polymeric membrane prepn. - by depolymerising elastin and then, copolymerising the peptides with gelatin, collagen etc. | |
FR2180478A1 (en) | Water demineralsn - by ultra filtration followed by reverse osmosis | |
JPS52124929A (en) | Composite functional hollow fibers and production | |
FR2043917A5 (en) | Uniform porosity membranes for artificial - kidney or lung machines |