ZA766497B - Process for manufacturing membranes for osmotic separatio - Google Patents

Process for manufacturing membranes for osmotic separatio

Info

Publication number
ZA766497B
ZA766497B ZA766497A ZA766497A ZA766497B ZA 766497 B ZA766497 B ZA 766497B ZA 766497 A ZA766497 A ZA 766497A ZA 766497 A ZA766497 A ZA 766497A ZA 766497 B ZA766497 B ZA 766497B
Authority
ZA
South Africa
Prior art keywords
separatio
osmotic
manufacturing membranes
membranes
manufacturing
Prior art date
Application number
ZA766497A
Other languages
English (en)
Inventor
D Nussbaumer
Original Assignee
Sartorius Membranfilter Gmbh
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 Sartorius Membranfilter Gmbh filed Critical Sartorius Membranfilter Gmbh
Publication of ZA766497B publication Critical patent/ZA766497B/xx

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
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/16—Swelling agents
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ZA766497A 1976-05-14 1976-10-29 Process for manufacturing membranes for osmotic separatio ZA766497B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2621519A DE2621519C3 (de) 1976-05-14 1976-05-14 Verfahren zur Herstellung von asymmetrischen permselektiven Zellulosetriacetatmembranen mit Skinschicht

Publications (1)

Publication Number Publication Date
ZA766497B true ZA766497B (en) 1977-10-26

Family

ID=5978012

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA766497A ZA766497B (en) 1976-05-14 1976-10-29 Process for manufacturing membranes for osmotic separatio

Country Status (13)

Country Link
US (1) US4147622A (xx)
JP (1) JPS52138485A (xx)
AU (1) AU505286B2 (xx)
CA (1) CA1078117A (xx)
CH (1) CH629969A5 (xx)
DE (1) DE2621519C3 (xx)
DK (1) DK146773C (xx)
FR (1) FR2351147A1 (xx)
GB (1) GB1545540A (xx)
IL (1) IL50799A (xx)
IT (1) IT1068436B (xx)
SE (1) SE415662B (xx)
ZA (1) ZA766497B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5562214A (en) * 1978-11-02 1980-05-10 Toyobo Co Ltd Production of hollow fiber membrane
DE2816086C3 (de) * 1978-04-13 1985-04-25 Sartorius GmbH, 3400 Göttingen Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosetriacetat
DE2816085B2 (de) * 1978-04-13 1981-04-23 Sartorius GmbH, 3400 Göttingen Asymmetrische Ultrafiltrationsmembrane auf der Basis von Zellulosehydrat
FR2433357A1 (fr) * 1978-08-17 1980-03-14 Toray Industries Membranes d'osmose inverse formees de derives de cellulose et solutions de coulee ou de moulage pour leur preparation
JPS5938805B2 (ja) * 1979-04-06 1984-09-19 ダイセル化学工業株式会社 選択透過性を有する半透膜の製法
DE2946067A1 (de) * 1979-11-15 1981-05-21 Merck Patent Gmbh, 6100 Darmstadt Verfahren zur umstimmung von diffusionsmembranen, die so umgestimmten membranen und ihre verwendung
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
SE8303413L (sv) * 1983-06-15 1984-12-16 Gambro Dialysatoren Sett att behandla en cellulosahalfiber
JPS63139929A (ja) * 1986-12-02 1988-06-11 Fuji Photo Film Co Ltd 微孔性膜の製造方法
US4855048A (en) * 1987-09-22 1989-08-08 Air Products And Chemicals, Inc. Air dried cellulose acetate membranes
US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
JP2528169B2 (ja) * 1987-11-19 1996-08-28 帝人株式会社 多孔性成型物の製造方法
US5011637A (en) * 1989-01-23 1991-04-30 The Dow Chemical Company Preparing cellulose ester membranes for gas separation
US4980063A (en) * 1989-01-27 1990-12-25 The Dow Chemical Company Compositions useful for preparing cellulose ester membranes for liquid separations
EP0636403A3 (en) * 1993-07-28 1996-03-27 Toyo Boseki Cellulose acetate hemodialysis membrane.
DE102004053787B4 (de) * 2004-11-08 2007-08-02 Sartorius Ag Cellulosehydrat-Ultrafiltrationsmembranen und Verfahren zu deren Herstellung
US8123945B2 (en) * 2007-05-09 2012-02-28 The United States of America as represented by the Secretary of the Interior, The Bereau of Reclamation Method for making high flux, high salt rejection cellulose desalting membranes
DE102008018734B4 (de) * 2008-04-14 2013-03-21 Sartorius Stedim Biotech Gmbh Hydrophobe Cellulose-Membran, Verfahren zu ihrer Herstellung und ihre Verwendung in der hydrophoben Interaktionschromatographie
EA026762B1 (ru) * 2009-08-24 2017-05-31 Оасис Уотер, Инк. Прямоосмотическая мембрана

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497072A (en) * 1966-05-02 1970-02-24 Aerojet General Co Reverse osmosis membrane and method of manufacture
US3884801A (en) * 1972-05-02 1975-05-20 Us Interior Preparation of reverse osmosis membranes by complete evaporation of the solvent system
US3846404A (en) * 1973-05-23 1974-11-05 Moleculon Res Corp Process of preparing gelled cellulose triacetate products and the products produced thereby
US4026978A (en) * 1975-07-17 1977-05-31 The United States Of America As Represented By The Secretary Of The Interior Method of making asymmetric cellulose triacetate membranes

Also Published As

Publication number Publication date
DK492476A (da) 1977-11-15
JPS52138485A (en) 1977-11-18
US4147622A (en) 1979-04-03
SE7612066L (sv) 1977-11-15
DK146773C (da) 1984-06-12
SE415662B (sv) 1980-10-20
DE2621519B2 (de) 1981-12-03
IL50799A (en) 1980-06-30
IT1068436B (it) 1985-03-21
DE2621519C3 (de) 1982-07-15
FR2351147B1 (xx) 1983-03-18
JPS5616683B2 (xx) 1981-04-17
CA1078117A (en) 1980-05-27
AU1922276A (en) 1978-05-11
FR2351147A1 (fr) 1977-12-09
GB1545540A (en) 1979-05-10
CH629969A5 (de) 1982-05-28
IL50799A0 (en) 1976-12-31
DK146773B (da) 1984-01-02
DE2621519A1 (de) 1977-11-24
AU505286B2 (en) 1979-11-15

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