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 inversa

Info

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
Application number
IT68341/77A
Other languages
English (en)
Original Assignee
Nat Aeronautis & Space Adminis
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nat Aeronautis & Space Adminis filed Critical Nat Aeronautis & Space Adminis
Application granted granted Critical
Publication of IT1083016B publication Critical patent/IT1083016B/it

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)
IT68341/77A 1976-06-09 1977-06-09 Procedimento e dispositivo per la preparazione di membrane per l'osmosi inversa IT1083016B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

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