CA2063787A1 - Membrane semi-permeable pour flux eleve - Google Patents

Membrane semi-permeable pour flux eleve

Info

Publication number
CA2063787A1
CA2063787A1 CA2063787A CA2063787A CA2063787A1 CA 2063787 A1 CA2063787 A1 CA 2063787A1 CA 2063787 A CA2063787 A CA 2063787A CA 2063787 A CA2063787 A CA 2063787A CA 2063787 A1 CA2063787 A1 CA 2063787A1
Authority
CA
Canada
Prior art keywords
high flux
semipermeable membranes
reaction product
aqueous solution
support
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.)
Granted
Application number
CA2063787A
Other languages
English (en)
Other versions
CA2063787C (fr
Inventor
Michael M. Chau
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.)
Kovalus Separation Solutions LLC
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 CA2063787A1 publication Critical patent/CA2063787A1/fr
Application granted granted Critical
Publication of CA2063787C publication Critical patent/CA2063787C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

On peut préparer des membranes semi-perméables à flux élevé comprenant un produit de réaction polymérisé se trouvant à l'intérieur et/ou sur un support poreux, par mise en contact du support poreux tel qu'une feuille de polysulfone avec une solution aqueuse d'une polyamine, ladite solution aqueuse contenant un solvant aprotique polaire ne réagissant pas avec les amines, et facultativement un accepteur d'acide. On sèche la surface du support revêtu, puis on la met en contact avec une solution organique d'un halogénure d'acide polycarboxylique pendant une période suffisante pour former un produit de réaction polymérisé dans et/ou sur la surface de la matière de support. On peut post-traiter le composite obtenu par lavage à l'aide d'un composé alcalin. On peut utiliser le composite de la membrane obtenue dans des procédés de séparation tels que la dessalinisation d'eau saumâtre ou d'eau de mer, ou l'adoucissement d'eau domestique dure.
CA002063787A 1989-08-30 1990-07-18 Membrane semi-permeable pour flux eleve Expired - Lifetime CA2063787C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US400,440 1989-08-30
US07/400,440 US4950404A (en) 1989-08-30 1989-08-30 High flux semipermeable membranes
PCT/US1990/004030 WO1991003311A1 (fr) 1989-08-30 1990-07-18 Membranes semi-permeables a flux eleve

Publications (2)

Publication Number Publication Date
CA2063787A1 true CA2063787A1 (fr) 1991-03-01
CA2063787C CA2063787C (fr) 2000-05-23

Family

ID=23583629

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002063787A Expired - Lifetime CA2063787C (fr) 1989-08-30 1990-07-18 Membrane semi-permeable pour flux eleve

Country Status (13)

Country Link
US (1) US4950404A (fr)
EP (1) EP0489746B1 (fr)
JP (1) JP2947291B2 (fr)
KR (1) KR0143548B1 (fr)
CN (1) CN1028609C (fr)
AT (1) ATE91242T1 (fr)
AU (1) AU631912B2 (fr)
CA (1) CA2063787C (fr)
DE (1) DE69002165T2 (fr)
DK (1) DK0489746T3 (fr)
ES (1) ES2043384T3 (fr)
NZ (1) NZ234346A (fr)
WO (1) WO1991003311A1 (fr)

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Also Published As

Publication number Publication date
NZ234346A (en) 1992-01-29
CA2063787C (fr) 2000-05-23
EP0489746B1 (fr) 1993-07-07
ES2043384T3 (es) 1993-12-16
ATE91242T1 (de) 1993-07-15
AU631912B2 (en) 1992-12-10
CN1028609C (zh) 1995-05-31
KR920703190A (ko) 1992-12-17
EP0489746A1 (fr) 1992-06-17
JPH04507216A (ja) 1992-12-17
JP2947291B2 (ja) 1999-09-13
DK0489746T3 (da) 1993-08-30
US4950404B1 (fr) 1991-10-01
AU6078990A (en) 1991-04-08
US4950404A (en) 1990-08-21
WO1991003311A1 (fr) 1991-03-21
KR0143548B1 (ko) 1998-07-15
DE69002165D1 (de) 1993-08-12
DE69002165T2 (de) 1993-10-14
CN1049799A (zh) 1991-03-13

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