IT1083016B - Procedimento e dispositivo per la preparazione di membrane per l'osmosi inversa - Google Patents
Procedimento e dispositivo per la preparazione di membrane per l'osmosi inversaInfo
- Publication number
- IT1083016B IT1083016B IT68341/77A IT6834177A IT1083016B IT 1083016 B IT1083016 B IT 1083016B IT 68341/77 A IT68341/77 A IT 68341/77A IT 6834177 A IT6834177 A IT 6834177A IT 1083016 B IT1083016 B IT 1083016B
- Authority
- IT
- Italy
- Prior art keywords
- membranes
- procedure
- preparation
- reverse osmosis
- osmosis
- Prior art date
Links
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
- B01D69/127—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction using electrical discharge or plasma-polymerisation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/694,407 US4199448A (en) | 1976-06-09 | 1976-06-09 | Reverse osmosis membrane of high urea rejection properties |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1083016B true IT1083016B (it) | 1985-05-21 |
Family
ID=24788686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68341/77A IT1083016B (it) | 1976-06-09 | 1977-06-09 | Procedimento e dispositivo per la preparazione di membrane per l'osmosi inversa |
Country Status (9)
Country | Link |
---|---|
US (1) | US4199448A (it) |
JP (1) | JPS52154871A (it) |
DE (1) | DE2726055A1 (it) |
FR (1) | FR2354343A1 (it) |
GB (1) | GB1550559A (it) |
IL (1) | IL52271A (it) |
IT (1) | IT1083016B (it) |
MX (1) | MX146803A (it) |
NL (1) | NL7706362A (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1139680A (en) * | 1979-06-25 | 1983-01-18 | Minoru Yamamoto | Gas separating members and a method of making the same |
US4347139A (en) * | 1980-03-24 | 1982-08-31 | Juichiro Ozawa | Membrane for reverse osmosis and method of making the same |
DE3217047A1 (de) * | 1982-05-06 | 1983-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Membranen auf der basis von kieselsaeureheteropolykondensaten, verfahren zu ihrer herstellung und ihre verwendung |
US4533369A (en) * | 1982-05-28 | 1985-08-06 | Sumitomo Electric Industries, Ltd. | Gas-permselective composite membranes and process for the production thereof |
JPS59154106A (ja) * | 1983-02-23 | 1984-09-03 | Toshinobu Higashimura | 気体分離膜 |
GB2144344B (en) * | 1983-08-02 | 1986-11-26 | Shell Int Research | Composite dense membrane |
JPS6182806A (ja) * | 1984-09-28 | 1986-04-26 | Sumitomo Electric Ind Ltd | 液体膜 |
US4784769A (en) * | 1986-11-21 | 1988-11-15 | The Standard Oil Company | Plasma polymerized acetonitrile protective coatings and method of preparation therefor for ultrafiltration/microfiltration membranes |
US5112457A (en) * | 1990-07-23 | 1992-05-12 | Case Western Reserve University | Process for producing hydroxylated plasma-polymerized films and the use of the films for enhancing the compatiblity of biomedical implants |
JPH06510455A (ja) * | 1991-09-11 | 1994-11-24 | ポール・コーポレーション | ガスプラズマ処理多孔性媒体及びそれを使用した分離方法 |
DE4343114C2 (de) * | 1993-12-17 | 1998-01-29 | Geesthacht Gkss Forschung | Verfahren zur Herstellung von Stofftrennmembranen |
GB0721527D0 (en) * | 2007-11-02 | 2007-12-12 | P2I Ltd | Filtration Membranes |
US7775374B1 (en) | 2007-11-15 | 2010-08-17 | Barker Jack E | Self powered water purification system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2916534A (en) * | 1955-01-15 | 1959-12-08 | Knapsack Ag | Process for carrying out endothermic reactions at high temperatures |
BE549388A (it) * | 1955-07-08 | 1900-01-01 | ||
GB1146550A (en) * | 1966-07-26 | 1969-03-26 | Standard Telephones Cables Ltd | Polymeric product preparation method |
US3600218A (en) * | 1968-05-15 | 1971-08-17 | Ibm | Method for depositing insulating films of silicon nitride and aluminum nitride |
US3662046A (en) * | 1970-06-03 | 1972-05-09 | Us Interior | Method of making reverse osmosis membranes for desalination of water |
FR2129996B1 (it) * | 1971-03-25 | 1975-01-17 | Centre Nat Etd Spatiales | |
US3847652A (en) * | 1972-12-08 | 1974-11-12 | Nasa | Method of preparing water purification membranes |
CA1070263A (en) * | 1975-06-23 | 1980-01-22 | National Aeronautics And Space Administration | Preparation of dielectric coatings of variable dielectric constant by plasma polymerization |
JPS5254688A (en) * | 1975-10-30 | 1977-05-04 | Sumitomo Chem Co Ltd | Method of producing semipermeable memebrane |
-
1976
- 1976-06-09 US US05/694,407 patent/US4199448A/en not_active Expired - Lifetime
-
1977
- 1977-06-07 IL IL52271A patent/IL52271A/xx unknown
- 1977-06-08 DE DE19772726055 patent/DE2726055A1/de active Granted
- 1977-06-08 GB GB23884/77A patent/GB1550559A/en not_active Expired
- 1977-06-08 JP JP6679277A patent/JPS52154871A/ja active Pending
- 1977-06-09 NL NL7706362A patent/NL7706362A/xx not_active Application Discontinuation
- 1977-06-09 MX MX169404A patent/MX146803A/es unknown
- 1977-06-09 FR FR7717697A patent/FR2354343A1/fr active Granted
- 1977-06-09 IT IT68341/77A patent/IT1083016B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2726055C2 (it) | 1988-05-19 |
US4199448A (en) | 1980-04-22 |
NL7706362A (nl) | 1977-12-13 |
IL52271A0 (en) | 1977-08-31 |
FR2354343B1 (it) | 1981-02-06 |
GB1550559A (en) | 1979-08-15 |
IL52271A (en) | 1979-10-31 |
DE2726055A1 (de) | 1977-12-29 |
FR2354343A1 (fr) | 1978-01-06 |
JPS52154871A (en) | 1977-12-22 |
MX146803A (es) | 1982-08-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1079471B (it) | Procedimento per la preparazione di membrane semipermeabili e prodotto ottenuto | |
IT1061840B (it) | Pellicola microporosa e procedimento per la sua preparazione | |
NO772074L (no) | Dialysemembran for hemodialyse | |
IT1099263B (it) | Dispositivo per la diffusione e/o filtrazione di sostanze fra due fluidi attraverso membrane semiperneabili | |
DK185587D0 (da) | Mikroporoes ultrafiltreringsmembran | |
IT1086695B (it) | Membrana oculare e metodo per la sua preparazione | |
IT1131098B (it) | Procedimento per la preparazione di membrane anisotrope e membrane prodotte da esso | |
IT1084069B (it) | Membrane con sistema di pori selezionabile | |
ATA679877A (de) | Semipermeable membranen | |
IT1083016B (it) | Procedimento e dispositivo per la preparazione di membrane per l'osmosi inversa | |
ES494809A0 (es) | Un dispositivo mejorado de ultrafiltracion y osmosis inversa | |
PT66438B (en) | Device for the diffustion of substances between two fluidsvia semipermeable membranes | |
IT1076316B (it) | Disposizione per la diffusione di sostanze tra due fluidi attraverso membrane semipermeabili | |
SE7714150L (sv) | Semipermeabelt membran samt forfarande for tillverkning av detsamma | |
DK12189A (da) | Flydende membran apparat | |
IT1123942B (it) | Membrane semipermeabili di capoliamidi e procedimento per la loro preparazione | |
DK148436C (da) | Fibroest baerelag for semipermeable membraner | |
IT1085160B (it) | Membrane semipermeabili e procedimento per la loro produzione | |
IT7948386A0 (it) | Procedimento per il trattamento di membrane semipermeabili e prodotto ottenuto | |
IT1099262B (it) | Dispositivo per la diffusione e/o filtrazione di sostanze fra due fluidi attraverso membrane semipermeabili | |
SE7711632L (sv) | Anordning for diffusion och/eller filtration av emnen mellan tva fluider via semipermeabla membran ga 041 | |
JPS53122683A (en) | Semipermeable membrane and manufacture thereof | |
IT1094515B (it) | Procedimento e dispositivo per l'ultrafiltrazione di liquidi | |
IT8248237A0 (it) | Procedimento per la preparazione di membrane semipermeabili di copolimero poliacrilonitrilico | |
IT1143711B (it) | Membrane permselettive e processo per la loro preparazione |