IT1068436B - Procedimento per produrre membrane atte alla separazione osmotica - Google Patents

Procedimento per produrre membrane atte alla separazione osmotica

Info

Publication number
IT1068436B
IT1068436B IT28785/76A IT2878576A IT1068436B IT 1068436 B IT1068436 B IT 1068436B IT 28785/76 A IT28785/76 A IT 28785/76A IT 2878576 A IT2878576 A IT 2878576A IT 1068436 B IT1068436 B IT 1068436B
Authority
IT
Italy
Prior art keywords
procedure
membranes suitable
producing membranes
osmotic separation
osmotic
Prior art date
Application number
IT28785/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1068436B publication Critical patent/IT1068436B/it

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)
IT28785/76A 1976-05-14 1976-10-28 Procedimento per produrre membrane atte alla separazione osmotica IT1068436B (it)

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
IT1068436B true IT1068436B (it) 1985-03-21

Family

ID=5978012

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28785/76A IT1068436B (it) 1976-05-14 1976-10-28 Procedimento per produrre membrane atte alla separazione osmotica

Country Status (13)

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

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
ZA766497B (en) 1977-10-26
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
DE2621519C3 (de) 1982-07-15
FR2351147B1 (it) 1983-03-18
JPS5616683B2 (it) 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

Similar Documents

Publication Publication Date Title
IT1068436B (it) Procedimento per produrre membrane atte alla separazione osmotica
IT1067339B (it) Membrane composite semipermeabili
SE435680B (sv) Dialysmembran for hemodialys och forfarande for framstellning derav
IT7825737A0 (it) Processo per la preparazione di una membrana microporosa per apparecchi di filtrazione.
DK39777A (da) Semipermeabel membran samt fremgangsmade til fremstilling deraf
IT1062302B (it) Procedimento per la produzione di membrane semipermeabili
GB2051664B (en) Preparing selective permeable membranes
GB2016024B (en) Reverse osmosis semipermeable membrane
NO143278C (no) Fremgangsmaate for fremstilling av et mikroporoest membran
IT7851090A0 (it) Membrane semipermeabili di copolimeri di acrilnitrile
AT367649B (de) Semipermeable membranen
FR2322505A1 (fr) Haut-parleur a membrane rigide
JPS5351185A (en) Manufacture of selective permeation membranes
FI800977A (fi) Metoder foer framstaellning av anisotropiska membran och daerav producerade membran
IT994997B (it) Membrane semipermeabili
JPS5375175A (en) Semipermeable membrane and manufacture thereof
IT1085160B (it) Membrane semipermeabili e procedimento per la loro produzione
SE7703124L (sv) Membran for hemodialys
JPS535077A (en) Membrane separation method
DK237678A (da) Organ til taetsluttende anbringelse af semipermeable membraner omkring gennemstroemningsaabningerne i en vaeskeseparator
IT1071466B (it) Polimeri solforati per membrane
DK163482C (da) Fremgangsmaade til fremstilling af en hydrofil polyether-polycarbonatmembran
JPS53122683A (en) Semipermeable membrane and manufacture thereof
BE886192A (fr) Element a membranes pour osmose inverse enroulees en spirale
IT8024556A0 (it) Membrana per altoparlante.