MX156797A - Procedimiento para la obtencion de membranas porosas mejoradas,para osmosis inversa o ultrafiltracion - Google Patents

Procedimiento para la obtencion de membranas porosas mejoradas,para osmosis inversa o ultrafiltracion

Info

Publication number
MX156797A
MX156797A MX183969A MX18396980A MX156797A MX 156797 A MX156797 A MX 156797A MX 183969 A MX183969 A MX 183969A MX 18396980 A MX18396980 A MX 18396980A MX 156797 A MX156797 A MX 156797A
Authority
MX
Mexico
Prior art keywords
ultrafiltration
procedure
reverse osmosis
porous membranes
obtaining improved
Prior art date
Application number
MX183969A
Other languages
English (en)
Inventor
Charles Linder
Mordechai Perry
Original Assignee
Alicena Ag
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 Alicena Ag filed Critical Alicena Ag
Publication of MX156797A publication Critical patent/MX156797A/es

Links

Classifications

    • 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
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0093—Chemical modification
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/06—Polyhydrazides; Polytriazoles; Polyamino-triazoles; Polyoxadiazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
MX183969A 1979-09-19 1980-09-18 Procedimiento para la obtencion de membranas porosas mejoradas,para osmosis inversa o ultrafiltracion MX156797A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH846179 1979-09-19

Publications (1)

Publication Number Publication Date
MX156797A true MX156797A (es) 1988-10-05

Family

ID=4340727

Family Applications (1)

Application Number Title Priority Date Filing Date
MX183969A MX156797A (es) 1979-09-19 1980-09-18 Procedimiento para la obtencion de membranas porosas mejoradas,para osmosis inversa o ultrafiltracion

Country Status (10)

Country Link
US (1) US4584103A (es)
EP (1) EP0025973B1 (es)
JP (1) JPS5648214A (es)
BR (1) BR8005980A (es)
CA (1) CA1186860A (es)
DE (2) DE3035134A1 (es)
FR (1) FR2465508B1 (es)
GB (1) GB2058798B (es)
IL (1) IL61070A (es)
MX (1) MX156797A (es)

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EP0041239A3 (de) * 1980-06-04 1982-05-12 Ciba-Geigy Ag Stabile konzentrierte flüssige Zubereitungen von metallfreien Farbstoffen, Verfahren zu ihrer Herstellung und ihre Verwendung
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
CH649718A5 (de) * 1981-03-25 1985-06-14 Aligena Ag Verfahren zur herstellung von semipermeablen membranen aus polymeren auf acrylnitrilbasis, die nach diesem verfahren hergestellten membranen und ihre verwendung.
BG33312A1 (en) * 1981-04-20 1983-01-14 Dimov Method for obtaining of semi- transparent membrane
CH652313A5 (de) * 1981-08-25 1985-11-15 Ciba Geigy Ag Verfahren zur herstellung konzentrierter waesseriger zubereitungen von synthetischen anionischen dispergatoren.
CH647021A5 (de) * 1981-09-22 1984-12-28 Ciba Geigy Ag Verfahren zur herstellung lagerstabiler aufhellerformulierungen.
CH648583A5 (de) * 1981-09-29 1985-03-29 Ciba Geigy Ag Verfahren zur herstellung von lagerstabilen farbstoffpraeparaten.
DE3271691D1 (en) * 1981-12-21 1986-07-17 Aligena Ag Semipermeable membranes of modified polystyrene, process for their manufacture and their use
US4511711A (en) * 1982-02-10 1985-04-16 Sumitomo Chemical Company, Limited Process for producing semipermeable membrane
CH660852A5 (de) * 1982-11-23 1987-05-29 Aligena Ag Dynamische membranen, die sich als duenne polymerschichten auf poroesen, polymeren traegermaterialien befinden.
CH654424A5 (de) * 1983-03-25 1986-02-14 Ciba Geigy Ag Verfahren zur verhinderung des gelierens von konzentrierten waessrigen photoaktivatorloesungen.
JPS59182862A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182861A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
JPS59182863A (ja) * 1983-04-01 1984-10-17 Canon Inc 染料精製装置
EP0156840A4 (en) * 1983-09-12 1987-07-08 Memtec Ltd TREATMENT OF POROUS MEMBRANE.
CH667664A5 (de) * 1985-03-29 1988-10-31 Ciba Geigy Ag Verfahren zur herstellung von praeparaten wasserloeslicher organischer farbstoffe.
CH668961A5 (de) * 1986-02-07 1989-02-15 Ciba Geigy Ag Verfahren zur reinigung von farbstoffhaltigen abwaessern.
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US5000848A (en) * 1987-01-28 1991-03-19 Membrex, Inc. Rotary filtration device with hyperphilic membrane
US4906379A (en) * 1987-01-28 1990-03-06 Membrex, Inc. Hydrophilic article and method of producing same
DE3703738A1 (de) * 1987-02-07 1988-08-18 Bayer Ag Verfahren zur herstellung einer konzentrierten waessrigen reaktivfarbstoff-loesung
US4894165A (en) * 1987-07-20 1990-01-16 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4828700A (en) * 1987-07-20 1989-05-09 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
US4909943A (en) * 1987-07-20 1990-03-20 The Dow Chemical Company Rejection enhancing coatings for reverse osmosis membranes
CH672995A5 (es) * 1987-07-27 1990-01-31 Ciba Geigy Ag
GB2207618B (en) * 1987-08-05 1991-05-15 Ciba Geigy Ag Process for treating aqueous fluids containing organic compounds and salts of polyvalent inorganic acids
DE68921431T2 (de) * 1988-11-23 1995-06-29 Cytec Tech Corp Poröse Oberflächen-hydratisierte Substrate aus Polyacrylnitril, wie Perlderivate, Verfahren zu deren Herstellung und Verfahren zur Verwendung.
US5024765A (en) * 1989-10-02 1991-06-18 Aligena Ag Composite membranes and processes using them
CA2016061A1 (en) * 1989-05-08 1990-11-08 Laurence Wu-Kwang Chang Surface modified polyacrylonitrile substrates
JPH0312224A (ja) * 1989-06-08 1991-01-21 Japan Gore Tex Inc 選択透過膜
US5053133A (en) * 1990-02-09 1991-10-01 Elias Klein Affinity separation with activated polyamide microporous membranes
EP0636404B1 (de) * 1993-07-30 1998-01-14 Bayer Ag Membranen aus Acrylnitril-Copolymeren, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19650485C2 (de) * 1996-12-05 2001-06-21 Gsf Forschungszentrum Umwelt Ionenaustauschermaterial auf Cellulosebasis und Verfahren zu dessen Herstellung
JP2000281819A (ja) 1999-01-27 2000-10-10 Aventis Res & Technol Gmbh & Co Kg 架橋高分子膜の製造方法及び燃料電池
US6858141B2 (en) * 2001-08-30 2005-02-22 Council Of Scientific & Industrial Research (Csir) Process for the preparation of ultrafiltration membranes of polyacrylonitrile, using malic acid as an additive
JP4853283B2 (ja) * 2004-02-20 2012-01-11 東レ株式会社 耐炎ポリマー含有溶液および炭素成形品
US7718112B2 (en) * 2004-08-23 2010-05-18 University Of Massachusetts Nanometer scale structures
US7381331B2 (en) * 2005-09-30 2008-06-03 General Electric Company Hydrophilic membrane and associated method
US7631768B2 (en) * 2005-11-04 2009-12-15 General Electric Company Membrane and associated method
US7291696B2 (en) * 2005-11-04 2007-11-06 General Electric Company Composition and associated method
DE102008019085A1 (de) * 2008-04-15 2009-10-22 Microdyn - Nadir Gmbh Filterverbundmaterial, Verfahren zu seiner Herstellung sowie aus dem Filterverbundmaterial hergestellte Flachfilterelemente
ES2877072T3 (es) 2009-01-13 2021-11-16 Ams Tech Int 2012 Ltd Membranas estables en disolventes y en ácidos y métodos de fabricación de las mismas
US10005681B2 (en) 2009-08-13 2018-06-26 The Board Of Regents Of The University Of Texas System Sea water reverse osmosis system to reduce concentrate volume prior to disposal
WO2012081026A2 (en) 2010-12-12 2012-06-21 Ben-Gurion University Of The Negev Research And Development Authority Anion exchange membranes, methods of preparation and uses
EP2778194A4 (en) * 2011-11-08 2015-06-24 Kaneka Corp VINYL CHLORIDE BASED POROUS COPOLYMER BODY AND METHOD OF MANUFACTURING THEREOF
CN103127847B (zh) * 2013-03-15 2015-04-15 北京化工大学 抗蛋白质污染聚丙烯腈水解改性超滤膜及其制备方法
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
CN111686595A (zh) * 2019-03-13 2020-09-22 西陇科学股份有限公司 原位改性结合相分离技术制备高性能亲水改性聚丙烯腈膜的方法
US11389770B2 (en) * 2020-04-29 2022-07-19 Sonny's Water Systems, LLC. Apparatus for using permeate to flush a reverse osmosis filter
CN113413776B (zh) * 2021-06-21 2022-11-25 东华理工大学 一种基于聚偕胺肟为界层的纳滤膜的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL88955C (es) * 1955-03-30
BE608328A (es) * 1960-09-19
JPS476257U (es) * 1971-02-15 1972-09-21
JPS5548842B2 (es) * 1973-05-17 1980-12-09
JPS5611483B2 (es) * 1973-05-17 1981-03-14
JPS5833248B2 (ja) * 1974-01-25 1983-07-19 三菱レイヨン株式会社 キレ−トハントウマク ノ セイゾウホウ
US4148734A (en) * 1974-12-21 1979-04-10 Chemie-Anlagenbau Bischofsheim Gmbh Filter material and process for producing same
CH597901A5 (es) * 1975-01-23 1978-04-14 Aligena Ag
JPS5817783B2 (ja) * 1976-07-08 1983-04-09 日本曹達株式会社 固体表面に担持されたヘテロ巨大環化合物
JPS5856378B2 (ja) * 1976-09-08 1983-12-14 旭化成株式会社 アクリロニトリル系重合体乾燥膜およびその製造法
GB1569563A (en) * 1976-11-02 1980-06-18 Atomic Energy Authority Uk Hydrophilic salt rejecting acrylic membranes philic salt rejecting acrylic membranes
US4268662A (en) * 1978-03-17 1981-05-19 Sumitomo Chemical Company, Limited Process for improving semipermeable membranes by treating with protic acids or inorganic salts
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane

Also Published As

Publication number Publication date
FR2465508B1 (fr) 1985-10-18
CA1186860A (en) 1985-05-14
DE3070021D1 (en) 1985-03-07
BR8005980A (pt) 1981-03-31
IL61070A (en) 1984-05-31
DE3035134A1 (de) 1981-04-09
EP0025973A3 (en) 1981-04-08
JPS5648214A (en) 1981-05-01
FR2465508A1 (fr) 1981-03-27
US4584103A (en) 1986-04-22
EP0025973B1 (de) 1985-01-23
JPH0223215B2 (es) 1990-05-23
EP0025973A2 (de) 1981-04-01
GB2058798B (en) 1984-05-02
GB2058798A (en) 1981-04-15
IL61070A0 (en) 1980-11-30

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