DK436585D0 - Fremgangsmaade til fremstilling af membraner til omvendt osmose - Google Patents

Fremgangsmaade til fremstilling af membraner til omvendt osmose

Info

Publication number
DK436585D0
DK436585D0 DK436585A DK436585A DK436585D0 DK 436585 D0 DK436585 D0 DK 436585D0 DK 436585 A DK436585 A DK 436585A DK 436585 A DK436585 A DK 436585A DK 436585 D0 DK436585 D0 DK 436585D0
Authority
DK
Denmark
Prior art keywords
procedure
making membranes
reverse osmoses
osmoses
reverse
Prior art date
Application number
DK436585A
Other languages
English (en)
Other versions
DK436585A (da
Inventor
John Joseph Buckfelder
Henry Max Schleinitz
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Publication of DK436585D0 publication Critical patent/DK436585D0/da
Publication of DK436585A publication Critical patent/DK436585A/da

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
    • B01D67/0083—Thermal after-treatment
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polyamides (AREA)
DK436585A 1984-09-27 1985-09-26 Fremgangsmaade til fremstilling af membraner til omvendt osmose DK436585A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/655,085 US4601827A (en) 1984-09-27 1984-09-27 Multistage annealing of aramide reverse osmosis membranes

Publications (2)

Publication Number Publication Date
DK436585D0 true DK436585D0 (da) 1985-09-26
DK436585A DK436585A (da) 1986-03-28

Family

ID=24627438

Family Applications (1)

Application Number Title Priority Date Filing Date
DK436585A DK436585A (da) 1984-09-27 1985-09-26 Fremgangsmaade til fremstilling af membraner til omvendt osmose

Country Status (7)

Country Link
US (1) US4601827A (da)
EP (1) EP0176107A3 (da)
JP (1) JPS6182809A (da)
AU (1) AU574513B2 (da)
DK (1) DK436585A (da)
ES (1) ES8605163A1 (da)
IL (1) IL76506A (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US5076817A (en) * 1990-11-30 1991-12-31 E. I. Du Pont De Nemours And Company Polyamide gas separation membranes and process of using same
WO2012173811A2 (en) * 2011-06-17 2012-12-20 Battelle Memorial Institute Forward osmosis, reverse osmosis, and nano/micro filtration membrane structures

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3567632A (en) * 1968-09-04 1971-03-02 Du Pont Permselective,aromatic,nitrogen-containing polymeric membranes
US3718722A (en) * 1970-09-17 1973-02-27 Celanese Corp A method of forming a porous cellulose acetate membrane
US3822202A (en) * 1972-07-20 1974-07-02 Du Pont Heat treatment of membranes of selected polyimides,polyesters and polyamides
JPS5223346B2 (da) * 1972-08-30 1977-06-23
JPS5543367B2 (da) * 1975-01-08 1980-11-06
DE2729847A1 (de) * 1976-07-02 1978-01-05 Hitachi Ltd Aromatische polyamide und im wesentlichen aus aromatischen polyamiden bestehende membranen zur umgekehrten osmose sowie verfahren zu ihrer herstellung
US4087388A (en) * 1976-10-21 1978-05-02 E. I. Du Pont De Nemours And Company Process of preparing a permselective membrane
JPS583604A (ja) * 1981-06-25 1983-01-10 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− 選択透過膜及びその製造方法
US4385148A (en) * 1981-06-25 1983-05-24 E. I. Du Pont De Nemours And Company Reverse osmosis membrane preparation

Also Published As

Publication number Publication date
US4601827A (en) 1986-07-22
AU574513B2 (en) 1988-07-07
IL76506A (en) 1988-12-30
ES8605163A1 (es) 1986-03-16
EP0176107A3 (en) 1987-11-25
IL76506A0 (en) 1986-01-31
AU4787585A (en) 1986-04-10
JPS6182809A (ja) 1986-04-26
EP0176107A2 (en) 1986-04-02
ES547335A0 (es) 1986-03-16
DK436585A (da) 1986-03-28

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Legal Events

Date Code Title Description
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