DE2638016C3 - Membran für die umgekehrte Osmose und Verfahren zu ihrer Herstellung - Google Patents

Membran für die umgekehrte Osmose und Verfahren zu ihrer Herstellung

Info

Publication number
DE2638016C3
DE2638016C3 DE2638016A DE2638016A DE2638016C3 DE 2638016 C3 DE2638016 C3 DE 2638016C3 DE 2638016 A DE2638016 A DE 2638016A DE 2638016 A DE2638016 A DE 2638016A DE 2638016 C3 DE2638016 C3 DE 2638016C3
Authority
DE
Germany
Prior art keywords
membrane
copolymer
vinyl
reverse osmosis
alcohol units
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
Application number
DE2638016A
Other languages
German (de)
English (en)
Other versions
DE2638016A1 (de
DE2638016B2 (de
Inventor
Giuseppina Fidilio
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE2638016A1 publication Critical patent/DE2638016A1/de
Publication of DE2638016B2 publication Critical patent/DE2638016B2/de
Application granted granted Critical
Publication of DE2638016C3 publication Critical patent/DE2638016C3/de
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/301Polyvinylchloride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/022Asymmetric membranes
    • B01D2325/0233Asymmetric membranes with clearly distinguishable layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE2638016A 1975-09-11 1976-08-24 Membran für die umgekehrte Osmose und Verfahren zu ihrer Herstellung Expired DE2638016C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69263/75A IT1047997B (it) 1975-09-11 1975-09-11 Membrana per osmosi inversa e procedimento per la sua fabbricazione

Publications (3)

Publication Number Publication Date
DE2638016A1 DE2638016A1 (de) 1977-07-28
DE2638016B2 DE2638016B2 (de) 1981-04-30
DE2638016C3 true DE2638016C3 (de) 1982-04-15

Family

ID=11311696

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2638016A Expired DE2638016C3 (de) 1975-09-11 1976-08-24 Membran für die umgekehrte Osmose und Verfahren zu ihrer Herstellung

Country Status (6)

Country Link
DE (1) DE2638016C3 (fr)
DK (1) DK403876A (fr)
FR (1) FR2323726A1 (fr)
GB (1) GB1526118A (fr)
IT (1) IT1047997B (fr)
SE (1) SE7609167L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5890971B2 (ja) * 2011-06-16 2016-03-22 積水化学工業株式会社 高分子水処理膜及び水処理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1396091A (en) * 1971-02-18 1975-05-29 Babcock & Wilcox Ltd Semi-permeable membranes

Also Published As

Publication number Publication date
FR2323726A1 (fr) 1977-04-08
DE2638016A1 (de) 1977-07-28
SE7609167L (sv) 1977-03-12
FR2323726B1 (fr) 1980-12-26
GB1526118A (en) 1978-09-27
IT1047997B (it) 1980-10-20
DK403876A (da) 1977-03-12
DE2638016B2 (de) 1981-04-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee