ES476338A1 - Metodo de desionizar una disolucion que contiene materiales ionicos solubilizados - Google Patents

Metodo de desionizar una disolucion que contiene materiales ionicos solubilizados

Info

Publication number
ES476338A1
ES476338A1 ES476338A ES476338A ES476338A1 ES 476338 A1 ES476338 A1 ES 476338A1 ES 476338 A ES476338 A ES 476338A ES 476338 A ES476338 A ES 476338A ES 476338 A1 ES476338 A1 ES 476338A1
Authority
ES
Spain
Prior art keywords
coated membranes
coatings
polyelectrolytes
rejecting
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES476338A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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 Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of ES476338A1 publication Critical patent/ES476338A1/es
Expired legal-status Critical Current

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
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1216—Three or more layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

Método de des ionizar una disolución que contiene materiales iónicos solubilizados, caracterizado porque comprende hacer pasar dicho disolución por una membrana de rechazo de iones que comprende una membrana semipermeable que soporta por lo menos una capa de poli electrolito catiónico y por lo menos una capa de polielectrolito aniónico, estando las capas contiguas, cargadas con carga opuesta, separadas por lo menos por una capa neutra.
ES476338A 1977-04-25 1978-12-26 Metodo de desionizar una disolucion que contiene materiales ionicos solubilizados Expired ES476338A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/790,523 US4250029A (en) 1977-04-25 1977-04-25 Coated membranes

Publications (1)

Publication Number Publication Date
ES476338A1 true ES476338A1 (es) 1979-06-01

Family

ID=25150949

Family Applications (2)

Application Number Title Priority Date Filing Date
ES468857A Expired ES468857A1 (es) 1977-04-25 1978-04-15 Procedimiento de fabricacion de membranas de rechazo de io- nes
ES476338A Expired ES476338A1 (es) 1977-04-25 1978-12-26 Metodo de desionizar una disolucion que contiene materiales ionicos solubilizados

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES468857A Expired ES468857A1 (es) 1977-04-25 1978-04-15 Procedimiento de fabricacion de membranas de rechazo de io- nes

Country Status (14)

Country Link
US (1) US4250029A (es)
JP (1) JPS53132479A (es)
AU (1) AU520858B2 (es)
BR (1) BR7802347A (es)
CA (1) CA1113318A (es)
DE (1) DE2816088A1 (es)
DK (1) DK178278A (es)
ES (2) ES468857A1 (es)
FI (1) FI781154A7 (es)
FR (1) FR2388583A1 (es)
GB (1) GB1600820A (es)
IT (1) IT7867928A0 (es)
NL (1) NL7804399A (es)
SE (1) SE7804481L (es)

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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
FR2482468A1 (en) * 1980-05-19 1981-11-20 Bend Res Inc Reverse osmosis composite membrane is hollow fibre - whose inner surface is coated with interfacial salt rejecting membrane
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
WO1982001477A1 (en) * 1980-10-27 1982-05-13 Inc Amf Charge modified microporous membrane,process for charge modifying said membrane and process for filtration of fluid
US4473474A (en) * 1980-10-27 1984-09-25 Amf Inc. Charge modified microporous membrane, process for charge modifying said membrane and process for filtration of fluid
US4711793A (en) * 1980-10-27 1987-12-08 Cuno Incorporated Process for charge modifying a microphorous membrane
US4708803A (en) * 1980-10-27 1987-11-24 Cuno Incorporated Liquid filtration using hydrophilic cationic isotropic microporous nylon membrane
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
US4663050A (en) * 1982-01-18 1987-05-05 Standard Oil Company Semipermeable membranes prepared from polymers containing adjacent, pendent carboxy groups
US4707266A (en) * 1982-02-05 1987-11-17 Pall Corporation Polyamide membrane with controlled surface properties
US4431545A (en) * 1982-05-07 1984-02-14 Pall Corporation Microporous filter system and process
USRE33273E (en) * 1982-08-18 1990-07-24 Georgia Tech Research Corporation Materials having improved nonfouling characteristics and method of making same
US4554076A (en) * 1982-08-18 1985-11-19 Georgia Tech Research Corporation Method of modifying membrane surface with oriented monolayers of amphiphilic compounds
US4849106A (en) * 1983-06-06 1989-07-18 Koch Membrane Systems, Inc. Positive-charged ultrafiltration membrane for the separation of cathodic electrodeposition paint compositions
EP0156840A4 (en) * 1983-09-12 1987-07-08 Memtec Ltd TREATMENT OF POROUS MEMBRANES.
US4604208A (en) * 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
EP0167573A4 (en) * 1983-12-29 1988-05-02 Amf Inc CAVE TUBE MODIFIED BY LOAD.
JPS61287492A (ja) * 1985-06-11 1986-12-17 Toray Ind Inc 超純水の製造方法及びその装置
US4980067A (en) * 1985-07-23 1990-12-25 Cuno, Inc. Polyionene-transformed microporous membrane
JPS6354903A (ja) * 1986-08-26 1988-03-09 Agency Of Ind Science & Technol パ−ベ−パレ−シヨン用分離膜
JP2544360B2 (ja) * 1986-12-10 1996-10-16 株式会社日立製作所 原子炉プラントの水濾過装置及びその製造方法
FR2611527A1 (fr) * 1987-02-26 1988-09-09 Sfec Membrane inorganique d'ultrafiltration ou de microfiltration modifiee par un polymere hydrophile, son procede de preparation et son utilisation pour la separation de proteines
DE4243995C2 (de) * 1992-12-23 1996-07-25 Gore W L & Ass Gmbh Permanente hydrophile Modifizierung für Fluorpolymere und Verfahren zur Erzeugung der Modifizierung
US5630941A (en) * 1992-12-23 1997-05-20 Burger; Wolfgang Permanent hydrophilic modification of fluoropolymers
US6045899A (en) * 1996-12-12 2000-04-04 Usf Filtration & Separations Group, Inc. Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters
US5925251A (en) * 1997-06-09 1999-07-20 Tatnall; Robert E. Chemically treated filters
US6780327B1 (en) * 1999-02-25 2004-08-24 Pall Corporation Positively charged membrane
US6596112B1 (en) 2000-10-20 2003-07-22 Pall Corporation Laminates of asymmetric membranes
US20030015470A1 (en) * 2001-07-20 2003-01-23 Muralidhara Harapanahalli S. Nanofiltration water-softening apparatus and method
US7456025B2 (en) * 2001-08-28 2008-11-25 Porex Corporation Sintered polymer membrane for analyte detection device
US8017531B2 (en) * 2001-09-18 2011-09-13 Elkcorp Composite material
US7112361B2 (en) * 2001-10-25 2006-09-26 Massachusetts Institute Of Technology Methods of making decomposable thin films of polyelectrolytes and uses thereof
US8105652B2 (en) * 2002-10-24 2012-01-31 Massachusetts Institute Of Technology Methods of making decomposable thin films of polyelectrolytes and uses thereof
US20050045554A1 (en) 2003-08-28 2005-03-03 Gambro Lundia Ab Membrane unit element, semipermeable membrane, filtration device, and processes for manufacturing the same
US7425266B2 (en) * 2004-03-04 2008-09-16 Freeman Mark C Water-filtering media and filters
JP4868108B2 (ja) * 2004-10-18 2012-02-01 栗田工業株式会社 透過膜の阻止率向上剤、阻止率向上方法、透過膜及び水処理方法
JP2009501080A (ja) * 2005-07-12 2009-01-15 カーギル・インコーポレイテッド 延長された寿命の水軟化システム、装置および方法
CN100411720C (zh) * 2006-06-09 2008-08-20 北京工业大学 一种用于聚电解质复合物渗透汽化膜的组装方法
WO2008157372A2 (en) 2007-06-14 2008-12-24 Massachusetts Institute Of Technology Self assembled films for protein and drug delivery applications
CN101157010B (zh) * 2007-07-31 2010-06-02 北京工业大学 聚电解质复合物膜的电场强化组装方法及装置
JP5568835B2 (ja) * 2007-10-01 2014-08-13 栗田工業株式会社 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法
CN102017232B (zh) * 2008-03-27 2014-07-02 Z动力能源有限责任公司 电极隔板
WO2010021973A2 (en) * 2008-08-17 2010-02-25 Massachusetts Institute Of Technology Controlled delivery of bioactive agents from decomposable films
US9512041B2 (en) * 2010-12-17 2016-12-06 General Electric Company Ceramic membranes
EP2841056A4 (en) 2012-04-23 2015-09-16 Massachusetts Inst Technology STABLE LAYER COATED PARTICLES
WO2014134029A1 (en) 2013-02-26 2014-09-04 Massachusetts Institute Of Technology Nucleic acid particles, methods and use thereof
US9463244B2 (en) 2013-03-15 2016-10-11 Massachusetts Institute Of Technology Compositions and methods for nucleic acid delivery
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
US20150190760A1 (en) * 2014-01-06 2015-07-09 Pall Corporation Membrane with plurality of charges
US9561473B2 (en) * 2014-02-28 2017-02-07 Pall Corporation Charged hollow fiber membrane having hexagonal voids
WO2019089567A1 (en) 2017-10-30 2019-05-09 Massachusetts Institute Of Technology Layer-by-layer nanoparticles for cytokine therapy in cancer treatment
WO2021002984A1 (en) 2019-05-30 2021-01-07 Massachusetts Institute Of Technology Peptide nucleic acid functionalized hydrogel microneedles for sampling and detection of interstitial fluid nucleic acids
US12447442B2 (en) * 2019-11-21 2025-10-21 Emd Millipore Corporation Microfiltration membrane

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE123476C (es) * 1960-09-19
US3331772A (en) * 1965-08-03 1967-07-18 Atlantic Refining Co Desalting water by reverse osmosis through novel semipermeable membranes
US3510418A (en) * 1966-02-24 1970-05-05 Tokuyama Soda Kk Ion selective membrane
US3462362A (en) * 1966-07-26 1969-08-19 Paul Kollsman Method of reverse osmosis
US3556305A (en) * 1968-03-28 1971-01-19 Amicon Corp Composite membrane and process for making same
US3562139A (en) * 1968-08-05 1971-02-09 Ionics Cationic-anionic ion-exchange membrane
US3699038A (en) * 1970-04-22 1972-10-17 Celanese Corp Production of improved semipermeable polybenzimidazole membranes
US3724672A (en) * 1970-07-27 1973-04-03 R Leonard Asymmetric hollow fiber membranes and method of fabrication
US4012324A (en) * 1971-07-27 1977-03-15 Harry P. Gregor Crosslinked, interpolymer fixed-charge membranes
JPS5754175B2 (es) * 1974-07-29 1982-11-17

Also Published As

Publication number Publication date
GB1600820A (en) 1981-10-21
IT7867928A0 (it) 1978-04-24
FR2388583B1 (es) 1984-03-30
DK178278A (da) 1978-10-26
AU3542378A (en) 1979-11-01
JPS53132479A (en) 1978-11-18
AU520858B2 (en) 1982-03-04
FI781154A7 (fi) 1978-10-26
ES468857A1 (es) 1979-09-16
DE2816088A1 (de) 1978-11-02
SE7804481L (sv) 1978-10-26
BR7802347A (pt) 1978-12-19
US4250029A (en) 1981-02-10
NL7804399A (nl) 1978-10-27
CA1113318A (en) 1981-12-01
FR2388583A1 (fr) 1978-11-24

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