ATE68991T1 - Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren. - Google Patents

Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren.

Info

Publication number
ATE68991T1
ATE68991T1 AT85902577T AT85902577T ATE68991T1 AT E68991 T1 ATE68991 T1 AT E68991T1 AT 85902577 T AT85902577 T AT 85902577T AT 85902577 T AT85902577 T AT 85902577T AT E68991 T1 ATE68991 T1 AT E68991T1
Authority
AT
Austria
Prior art keywords
processes
hollow fibres
filtration
production
membrane separation
Prior art date
Application number
AT85902577T
Other languages
English (en)
Inventor
Philippe Aptel
Jean-Michel Espenan
Original Assignee
Inst Nat Rech Chimique
Centre Nat Rech Scient
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26224008&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE68991(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR8409225A external-priority patent/FR2566003B1/fr
Priority claimed from FR8409224A external-priority patent/FR2565842B1/fr
Application filed by Inst Nat Rech Chimique, Centre Nat Rech Scient filed Critical Inst Nat Rech Chimique
Application granted granted Critical
Publication of ATE68991T1 publication Critical patent/ATE68991T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; PREPARATION THEREOF
    • A23C9/00—Milk preparations; Milk powder or milk powder preparations
    • A23C9/14—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment
    • A23C9/142—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration
    • A23C9/1422—Milk preparations; Milk powder or milk powder preparations in which the chemical composition of the milk is modified by non-chemical treatment by dialysis, reverse osmosis or ultrafiltration by ultrafiltration, microfiltration or diafiltration of milk, e.g. for separating protein and lactose; Treatment of the UF permeate
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • B01D2325/0231—Dense layers being placed on the outer side of the cross-section
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2935—Discontinuous or tubular or cellular core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2975—Tubular or cellular

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
AT85902577T 1984-06-13 1985-06-12 Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren. ATE68991T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8409225A FR2566003B1 (fr) 1984-06-13 1984-06-13 Fibres creuses, leur procede de fabrication et leurs applications notamment dans le domaine des separations par membranes
FR8409224A FR2565842B1 (fr) 1984-06-13 1984-06-13 Perfectionnement apporte aux operations d'ultrafiltration et de microfiltration
PCT/FR1985/000147 WO1986000028A1 (fr) 1984-06-13 1985-06-12 Fibres creuses, leur procede de fabrication et leurs applications notamment dans le domaine des separations par membranes
EP85902577A EP0183757B1 (de) 1984-06-13 1985-06-12 Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren

Publications (1)

Publication Number Publication Date
ATE68991T1 true ATE68991T1 (de) 1991-11-15

Family

ID=26224008

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85902577T ATE68991T1 (de) 1984-06-13 1985-06-12 Verfahren zur herstellung von hohlfasern und ihre verwendung in membrantrennverfahren.

Country Status (5)

Country Link
US (1) US4882223A (de)
EP (1) EP0183757B1 (de)
AT (1) ATE68991T1 (de)
DE (1) DE3584562D1 (de)
WO (1) WO1986000028A1 (de)

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Also Published As

Publication number Publication date
DE3584562D1 (de) 1991-12-05
WO1986000028A1 (fr) 1986-01-03
EP0183757B1 (de) 1991-10-30
US4882223A (en) 1989-11-21
EP0183757A1 (de) 1986-06-11

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