DE3786177D1 - Methode zur verbesserung der trennungseigenschaften von semipermeablen membranen und die nach dieser methode verbesserten membranen. - Google Patents

Methode zur verbesserung der trennungseigenschaften von semipermeablen membranen und die nach dieser methode verbesserten membranen.

Info

Publication number
DE3786177D1
DE3786177D1 DE8787904979T DE3786177T DE3786177D1 DE 3786177 D1 DE3786177 D1 DE 3786177D1 DE 8787904979 T DE8787904979 T DE 8787904979T DE 3786177 T DE3786177 T DE 3786177T DE 3786177 D1 DE3786177 D1 DE 3786177D1
Authority
DE
Germany
Prior art keywords
membranes
improving
improved
defects
properties
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8787904979T
Other languages
English (en)
Other versions
DE3786177T2 (de
Inventor
Juergen Gauger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco Airpower NV
Original Assignee
Atlas Copco Airpower NV
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 Atlas Copco Airpower NV filed Critical Atlas Copco Airpower NV
Application granted granted Critical
Publication of DE3786177D1 publication Critical patent/DE3786177D1/de
Publication of DE3786177T2 publication Critical patent/DE3786177T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE87904979T 1987-06-25 1987-06-25 Methode zur verbesserung der trennungseigenschaften von semipermeablen membranen und die nach dieser methode verbesserten membranen. Expired - Fee Related DE3786177T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP87904979A EP0366649B1 (de) 1987-06-25 1987-06-25 Methode zur verbesserung der trennungseigenschaften von semipermeablen membranen und die nach dieser methode verbesserten membranen
PCT/SE1987/000297 WO1988010140A1 (en) 1987-06-25 1987-06-25 A method for improving the separation properties of semi-permeable membranes and membranes accordingly improved

Publications (2)

Publication Number Publication Date
DE3786177D1 true DE3786177D1 (de) 1993-07-15
DE3786177T2 DE3786177T2 (de) 1993-12-16

Family

ID=20367300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87904979T Expired - Fee Related DE3786177T2 (de) 1987-06-25 1987-06-25 Methode zur verbesserung der trennungseigenschaften von semipermeablen membranen und die nach dieser methode verbesserten membranen.

Country Status (6)

Country Link
US (1) US4992175A (de)
EP (1) EP0366649B1 (de)
JP (1) JP2617501B2 (de)
AT (1) ATE90225T1 (de)
DE (1) DE3786177T2 (de)
WO (1) WO1988010140A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO882144L (no) * 1988-04-13 1989-10-16 Du Pont Fremgangsmaate ved reaktiv etterbehandling av gasseparasjonsmembraner.
IL121632A (en) * 1997-08-26 2000-08-13 B P T Biopure Technology Ltd Process for repairing membrane imperfections

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912834A (en) * 1972-06-05 1975-10-14 Kanegafuchi Chemical Ind Process for producing a selectively permeable composite
US4045352A (en) * 1973-05-23 1977-08-30 California Institute Of Technology Ion-exchange hollow fibers
US4014798A (en) * 1974-04-04 1977-03-29 California Institute Of Technology Insoluble polyelectrolyte and ion-exchange hollow fiber impregnated therewith
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4239714A (en) * 1978-11-15 1980-12-16 Washington University Method for modifying the pore size distribution of a microporous separation medium
NZ203337A (en) * 1982-02-26 1986-02-21 M S M Lefebvre Immobilised inorganic counter diffusion barriers and their applications
WO1986005117A1 (en) * 1985-03-06 1986-09-12 Memtec Limited Altering pore size distributions
NL8501838A (nl) * 1985-06-26 1987-01-16 Stork Friesland Bv Semi-permeabele membranen op basis van sulfonaat-groepen bevattende polymeren.

Also Published As

Publication number Publication date
ATE90225T1 (de) 1993-06-15
US4992175A (en) 1991-02-12
WO1988010140A1 (en) 1988-12-29
EP0366649B1 (de) 1993-06-09
JPH03500732A (ja) 1991-02-21
DE3786177T2 (de) 1993-12-16
EP0366649A1 (de) 1990-05-09
JP2617501B2 (ja) 1997-06-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee