BE753089A - Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee - Google Patents

Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee

Info

Publication number
BE753089A
BE753089A BE753089DA BE753089A BE 753089 A BE753089 A BE 753089A BE 753089D A BE753089D A BE 753089DA BE 753089 A BE753089 A BE 753089A
Authority
BE
Belgium
Prior art keywords
forming
reverse osmosis
porous substrates
items obtained
membrane films
Prior art date
Application number
Other languages
English (en)
Inventor
L Credaliet P Parrini
Original Assignee
Consiglio Nationale Ricerche
Montedison Spa
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 Consiglio Nationale Ricerche, Montedison Spa filed Critical Consiglio Nationale Ricerche
Publication of BE753089A publication Critical patent/BE753089A/fr

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
    • B01D71/56—Polyamides, e.g. polyester-amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyamides (AREA)
BE753089D 1969-07-08 1970-07-07 Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee BE753089A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1931869 1969-07-08

Publications (1)

Publication Number Publication Date
BE753089A true BE753089A (fr) 1971-01-07

Family

ID=11156682

Family Applications (1)

Application Number Title Priority Date Filing Date
BE753089D BE753089A (fr) 1969-07-08 1970-07-07 Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee

Country Status (11)

Country Link
US (2) US3696031A (fr)
JP (1) JPS4822899B1 (fr)
BE (1) BE753089A (fr)
CA (1) CA948117A (fr)
DE (1) DE2033526C3 (fr)
ES (1) ES381521A1 (fr)
FR (1) FR2054257A5 (fr)
GB (1) GB1276594A (fr)
IL (1) IL34861A (fr)
NL (1) NL171019C (fr)
ZA (1) ZA704672B (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793504A (fr) * 1971-12-30 1973-06-29 Montedison Spa Membranes anisotropes de retro-osmose et leur procede de preparation
US3817386A (en) * 1972-05-03 1974-06-18 Westinghouse Electric Corp Reverse osmosis membranes from pyrrone polymer precursors
US3853754A (en) * 1972-07-20 1974-12-10 Du Pont Membrane separation of homogeneous catalysts from nitrile solutions
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
US4129559A (en) * 1973-01-16 1978-12-12 Montedison S.P.A. Reverse osmosis anisotropic membranes based on polypiperazine amides
ZA74296B (en) * 1973-01-16 1974-11-27 Montedison Spa Reverse osmosis anisotropic membranes with great water flow and strong saline rejection,based on polypiperazine amides,and process for preparing such membranes
GB1484860A (en) * 1973-11-22 1977-09-08 United States Borax Chem Manufacture of boric acid
DE2554922A1 (de) * 1975-12-06 1977-06-16 Bayer Ag Semipermeable membranen aus copolyamiden
ES462585A1 (es) * 1976-09-24 1978-07-16 Bauer Ag Procedimiento para la obtencion de membranas semipermeables.
JPS5417196Y2 (fr) * 1976-10-21 1979-07-03
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
DE2855529A1 (de) * 1978-12-22 1980-06-26 Babcock Brown Boveri Reaktor Verfahren und einrichtung zum deborieren von primaerkuehlmittel einer wassergekuehlten kernreaktoranlage
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
US4337154A (en) * 1979-04-04 1982-06-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Crosslinked composite semipermeable membrane
US4387024A (en) * 1979-12-13 1983-06-07 Toray Industries, Inc. High performance semipermeable composite membrane and process for producing the same
DE3028213C2 (de) * 1980-07-25 1990-12-06 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung einer Ultrafiltrationsmembran aus Polyamid und daraus hergestellte Membran
US4663050A (en) * 1982-01-18 1987-05-05 Standard Oil Company Semipermeable membranes prepared from polymers containing adjacent, pendent carboxy groups
US4659475A (en) * 1984-03-19 1987-04-21 Midwest Research Institute Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct)
IT1222627B (it) * 1987-09-09 1990-09-05 Separem Spa Procedimento per la preparazione di membrane per osmosi inversa e membrane ottenute con tale procedimento
US4769148A (en) * 1987-11-18 1988-09-06 The Dow Chemical Company Novel polyamide reverse osmosis membranes
US4859384A (en) * 1987-11-18 1989-08-22 Filmtec Corp. Novel polyamide reverse osmosis membranes
US5164475A (en) * 1989-01-31 1992-11-17 Du Pont Merck Pharmaceutical Company Porous substrates with a high concentration of amine groups
US7156997B2 (en) * 2001-10-05 2007-01-02 Dow Global Technologies Inc. Package assembly for piperazine-based membranes
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
WO2011008549A2 (fr) 2009-06-29 2011-01-20 NanoH2O Inc. Membranes perfectionnées d'osmose inverse, composites à couches minces, hybrides, avec des additifs azotés
WO2012064939A2 (fr) 2010-11-10 2012-05-18 Nanoh2O, Inc. Membranes tfc hybrides pour osmose inverse améliorées contenant des additifs non métalliques
US9370747B2 (en) 2011-09-01 2016-06-21 New Mexico Tech Research Foundation Method and apparatus for reducing the total dissolved solids of a solution
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
US9737859B2 (en) 2016-01-11 2017-08-22 Lg Nanoh2O, Inc. Process for improved water flux through a TFC membrane
US10155203B2 (en) 2016-03-03 2018-12-18 Lg Nanoh2O, Inc. Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents

Also Published As

Publication number Publication date
ES381521A1 (es) 1973-04-16
DE2033526A1 (de) 1971-01-28
DE2033526B2 (de) 1980-04-17
US3696031A (en) 1972-10-03
IL34861A0 (en) 1970-09-17
FR2054257A5 (fr) 1971-04-16
GB1276594A (en) 1972-06-01
JPS4822899B1 (fr) 1973-07-10
DE2033526C3 (de) 1980-12-11
CA948117A (en) 1974-05-28
IL34861A (en) 1973-04-30
NL7009956A (fr) 1971-01-12
NL171019C (nl) 1983-02-01
ZA704672B (en) 1971-03-31
US3743597A (en) 1973-07-03

Similar Documents

Publication Publication Date Title
BE753089A (fr) Articles obtenus par formage, tels que pellicules membranes et supportsporeux, pour processus d'osmose inversee
BE787964A (fr) Procede de preparation de membranes ou barrieres composites poreuses pour installations de diffusion gazeuse
BE753088A (fr) Articles confectionnes comprenant les pellicules, les membraneset les supports poreux utilisables avec les procedes d'osmose inverse
DK134888B (da) Fremgangsmåde til fremstilling af biaxialt orienterede folier af polyvinylalkohol.
AT303968B (de) Verfahren zur Herstellung von neuen, in 5-Stellungen durch Stickstoff substituierten Salicylsäurederivaten
IL43783A0 (en) Dynamic membranes for reverse osmosis
NL173360C (nl) Werkwijze voor het vervaardigen van een semi-permeabel membraan-samenstel en inrichting voor het door omgekeerde osmose behandelen van een oplossing.
CH532945A (fr) Appareil de traitement d'un liquide, notamment par osmose inverse
BE746629A (fr) Procede pour la formation de membranes semi-permeables pour dessalementd'eaux saumatres et marines, par hyperfiltration, et membranes produites par le susdit procede
CA998003A (en) Castings for reverse osmosis membrane supports
AT331039B (de) Transparente verbund- bzw. mehrschichtenfolien sowie verfahren zu deren herstellung
BE765463A (fr) Membrane pour osmose inverse et son procede de fabrication
CA1005353A (en) Reverse osmosis membranes from pyrrone polymer precursors
NL175884C (nl) Anisotrope membranen voor omgekeerde osmose.
BE759589A (fr) Procede pour la fabrication de membranes propres a l'osmose inversee
BE746899A (fr) Procede pour la purification de solutions de polymeres
DK127103B (da) Analogifremgangsmåde til fremstilling af bis (hydroxyphenylalkyl) diaminer i form af de rene optiske antipoder, blandinger af disse eller racemater eller syreadditionssalte deraf.
IT1047642B (it) Membrane poliacrilammidi metilolate o di poliacpilammide sostituita metilolata utili in particolare per tecniche di osmosi ultrafiltrazione dialisi e simili e relativo procedimento di produzione
AT353807B (de) Semipermeable membran und verfahren zu deren herstellung
AU460987B2 (en) Formed articles, comprising films, membranes and porous supports tobe used in processes of reverse osmosis
AU1790570A (en) Reverse osmosis membranes
AU439750B2 (en) Improvements in or relating to support system for membranes used in the reverse osmosis process
CA891644A (en) Support system for membranes used in the reverse osmosis process
AU1744370A (en) Formed articles, comprising films, membranes and porous supports tobe used in processes of reverse osmosis
AU5851369A (en) Improvements in or relating to support system for membranes used in the reverse osmosis process