NL150016B - Membraan voor omgekeerde osmose van celluloseacetaat. - Google Patents

Membraan voor omgekeerde osmose van celluloseacetaat.

Info

Publication number
NL150016B
NL150016B NL676706134A NL6706134A NL150016B NL 150016 B NL150016 B NL 150016B NL 676706134 A NL676706134 A NL 676706134A NL 6706134 A NL6706134 A NL 6706134A NL 150016 B NL150016 B NL 150016B
Authority
NL
Netherlands
Prior art keywords
membrane
cellulose acetate
reverse osmosis
osmosis
cellulose
Prior art date
Application number
NL676706134A
Other languages
English (en)
Other versions
NL150016C (nl
NL6706134A (nl
Original Assignee
Envirogenics Syst
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 Envirogenics Syst filed Critical Envirogenics Syst
Publication of NL6706134A publication Critical patent/NL6706134A/xx
Publication of NL150016B publication Critical patent/NL150016B/nl
Application granted granted Critical
Publication of NL150016C publication Critical patent/NL150016C/nl

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
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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)
  • Separation Using Semi-Permeable Membranes (AREA)
NL6706134.A 1966-05-02 1967-05-02 Membraan voor omgekeerde osmose van celluloseacetaat. NL150016C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54659166A 1966-05-02 1966-05-02

Publications (3)

Publication Number Publication Date
NL6706134A NL6706134A (nl) 1967-11-03
NL150016B true NL150016B (nl) 1976-07-15
NL150016C NL150016C (nl) 1980-09-15

Family

ID=24181107

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6706134.A NL150016C (nl) 1966-05-02 1967-05-02 Membraan voor omgekeerde osmose van celluloseacetaat.

Country Status (7)

Country Link
US (1) US3497072A (nl)
BE (1) BE697888A (nl)
DE (1) DE1720054B2 (nl)
ES (1) ES340033A1 (nl)
GB (1) GB1159218A (nl)
IL (1) IL27880A (nl)
NL (1) NL150016C (nl)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068976B (de) * 1959-11-12 Küppers Metaillwerk G.m.b.H., Lötmittelfabrik, Bonn Verfahren, Weichlotpaste und Vorrichtung zum Löten von gedruckten Schaltungen
DE1136755B (de) * 1960-04-07 1962-09-20 Krone Kg Chassis fuer fernmeldetechnische Geraete, insbesondere fuer Fernsprechapparate, bei dem die Bauelemente im wesentlichen auf der Oberseite und die Schaltungsdraehte vorwiegend an der Unterseite der Isolierstoff-Chassisplatte angebracht sind
US3720607A (en) * 1970-04-15 1973-03-13 Celanese Corp Reverse osmosis process employing polybenzimidazole membranes
US4158683A (en) * 1970-04-28 1979-06-19 Del Campo Giovan B Process for obtaining films and blocks of cellulose acetate particularly for rapid and preparative analytical electrophoresis and for immuno-techniques
US3718722A (en) * 1970-09-17 1973-02-27 Celanese Corp A method of forming a porous cellulose acetate membrane
US3789993A (en) * 1972-01-06 1974-02-05 Eastman Kodak Co Cellulosic reverse osmosis membranes having high flux and high salt rejection
GB1388034A (en) * 1972-04-12 1975-03-19 Atomic Energy Authority Uk Membranes for reverse osmosis
US3878276A (en) * 1972-05-24 1975-04-15 Us Interior Cellulose acetate blend membranes
JPS5232868B2 (nl) * 1974-06-27 1977-08-24
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
US4077407A (en) * 1975-11-24 1978-03-07 Alza Corporation Osmotic devices having composite walls
DE2621519C3 (de) * 1976-05-14 1982-07-15 Sartorius GmbH, 3400 Göttingen Verfahren zur Herstellung von asymmetrischen permselektiven Zellulosetriacetatmembranen mit Skinschicht
GB1581641A (en) * 1976-09-14 1980-12-17 Secr Defence Methods of heat treatment of graft copolymer films
US4097101A (en) * 1976-11-22 1978-06-27 Augat Inc. Electrical interconnection boards with lead sockets mounted therein and method for making same
DE2820265C2 (de) * 1978-05-10 1982-02-25 Gkss - Forschungszentrum Geesthacht Gmbh, 2000 Hamburg Semipermeable asymmetrische Membranen für die Meerwasserentsalzung
US4305824A (en) * 1978-08-10 1981-12-15 Toray Industries, Incorporated Cellulose derivative reverse osmosis membrane
US4247401A (en) * 1978-08-31 1981-01-27 Aligena A.G. Reverse osmosis separation process using porous asymmetric acetyl cellulose membrane
DE3066996D1 (en) * 1979-09-19 1984-04-19 Aligena Ag Porous semipermeable cellulose acetate membranes modified by ionic groups, process for their production and their use
DE3240873A1 (de) * 1982-11-05 1984-05-10 Blaupunkt-Werke Gmbh, 3200 Hildesheim Drahthalterung fuer eine leiterplatte
US4527999A (en) * 1984-03-23 1985-07-09 Abcor, Inc. Separation membrane and method of preparing and using same
US4746430A (en) * 1985-10-11 1988-05-24 W. R. Grace & Co. Fluid separation module
US5011637A (en) * 1989-01-23 1991-04-30 The Dow Chemical Company Preparing cellulose ester membranes for gas separation
US5236643A (en) * 1990-02-14 1993-08-17 Industrial Technology Research Institute Preparation of gas separation membrane and spiral wound gas separation module
ATE115436T1 (de) * 1990-07-10 1994-12-15 Ind Tech Res Inst Membranenherstellung zum trennen von gasen und spiralförmig gewickeltes membranmodul.
NO314575B1 (no) * 2000-08-04 2003-04-14 Statkraft Sf Semipermeabel membran og fremgangsmate for tilveiebringelse av elektrisk kraft samt en anordning
US10898865B2 (en) * 2013-01-31 2021-01-26 American University In Cairo (AUC) Polymer-carbon nanotube nanocomposite porous membranes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3129159A (en) * 1961-09-29 1964-04-14 Membranfiltergesellschaft G M Process for manufacturing membranes
US3291625A (en) * 1962-04-17 1966-12-13 Ferrania Spa Cellulose acetate solutions and the manufacture of self-sustaining films therefrom

Also Published As

Publication number Publication date
NL150016C (nl) 1980-09-15
DE1720054B2 (de) 1980-04-30
BE697888A (nl) 1967-10-16
US3497072A (en) 1970-02-24
DE1720054A1 (de) 1971-05-19
GB1159218A (en) 1969-07-23
NL6706134A (nl) 1967-11-03
IL27880A (en) 1970-05-21
ES340033A1 (es) 1968-05-16

Similar Documents

Publication Publication Date Title
NL150016C (nl) Membraan voor omgekeerde osmose van celluloseacetaat.
NL171019C (nl) Membranen voor omgekeerde osmose.
BE772361A (fr) Membranes semi-permeables
NL140126B (nl) Luidspreker met asymmetrisch gevormd membraan.
FI47845C (fi) Kalvosuodatinelementin valmistusmenetelmä
DK127468B (da) Fremgangsmåde til fremstilling af allylacetat.
AT301644B (de) Im wesentlichen ebenflächige Membran für Flachlautsprecher
NL156167B (nl) Werkwijze voor het vervaardigen van een celluloseacetaatmembraan en hiermee verkregen membraan.
CH515298A (fr) Membrane semi-perméable
FI50064C (fi) Ultrasuodatuskalvo ja menetelmä sen valmistamiseksi.
FR1426548A (fr) Membrane de dessalage
NL150341B (nl) Filter.
DK117004B (da) Elektomekanisk filter.
AT305213B (de) Einkornschicht-Membran
NL175884C (nl) Anisotrope membranen voor omgekeerde osmose.
NL145828B (nl) Werkwijze voor het zuiveren van water.
CH472779A (de) Membran-Relais
BE771070A (fr) Membranes microporeuses
FR1510749A (fr) Perfectionnements aux membranes osmotiques
NL142483B (nl) Membraan-afsluiter.
AT306526B (de) Membranverstärker
NL146811B (nl) Werkwijze ter bereiding van 5-benzylpyrimidinederivaten.
DK122761B (da) Analogifremgangsmåde til fremstilling af arylsulfonylurinstofderivater.
NL144916B (nl) Werkwijze ter bereiding van alkeensulfonaten.
DK115705B (da) Fremgangsmåde til fremstilling af derivater af tropasyre.

Legal Events

Date Code Title Description
P2G Not automatically granted patents, but text of patent specification is modified with respect to the text of examined patent ap
V1 Lapsed because of non-payment of the annual fee