FR2323726B1 - - Google Patents

Info

Publication number
FR2323726B1
FR2323726B1 FR7627388A FR7627388A FR2323726B1 FR 2323726 B1 FR2323726 B1 FR 2323726B1 FR 7627388 A FR7627388 A FR 7627388A FR 7627388 A FR7627388 A FR 7627388A FR 2323726 B1 FR2323726 B1 FR 2323726B1
Authority
FR
France
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
FR7627388A
Other languages
French (fr)
Other versions
FR2323726A1 (fr
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.)
Fiat SpA
Original Assignee
Fiat SpA
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 Fiat SpA filed Critical Fiat SpA
Publication of FR2323726A1 publication Critical patent/FR2323726A1/fr
Application granted granted Critical
Publication of FR2323726B1 publication Critical patent/FR2323726B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/301—Polyvinylchloride
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B01D2325/0233—Asymmetric 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)
FR7627388A 1975-09-11 1976-09-10 Membrane pour osmose inverse, et son procede de fabrication Granted FR2323726A1 (fr)

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 (2)

Publication Number Publication Date
FR2323726A1 FR2323726A1 (fr) 1977-04-08
FR2323726B1 true FR2323726B1 (enExample) 1980-12-26

Family

ID=11311696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627388A Granted FR2323726A1 (fr) 1975-09-11 1976-09-10 Membrane pour osmose inverse, et son procede de fabrication

Country Status (6)

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

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
DE2638016A1 (de) 1977-07-28
DE2638016C3 (de) 1982-04-15
GB1526118A (en) 1978-09-27
DE2638016B2 (de) 1981-04-30
SE7609167L (sv) 1977-03-12
DK403876A (da) 1977-03-12
FR2323726A1 (fr) 1977-04-08
IT1047997B (it) 1980-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse