ES2046992T3 - Membranas de osmosis inversa. - Google Patents

Membranas de osmosis inversa.

Info

Publication number
ES2046992T3
ES2046992T3 ES88100109T ES88100109T ES2046992T3 ES 2046992 T3 ES2046992 T3 ES 2046992T3 ES 88100109 T ES88100109 T ES 88100109T ES 88100109 T ES88100109 T ES 88100109T ES 2046992 T3 ES2046992 T3 ES 2046992T3
Authority
ES
Spain
Prior art keywords
membrane
reverse osmosis
groups
resulting
nitrous acid
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 - Lifetime
Application number
ES88100109T
Other languages
English (en)
Inventor
John E Cadotte
Donald L Schmidt
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.)
Filmtec Corp
Dow Chemical Co
Original Assignee
Filmtec Corp
Dow Chemical 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 Filmtec Corp, Dow Chemical Co filed Critical Filmtec Corp
Application granted granted Critical
Publication of ES2046992T3 publication Critical patent/ES2046992T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • 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
    • 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

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)

Abstract

SE DESCRIBE UNA MEMBRANA PARA OSMOSIS INVERSA MEJORADA Y UN PROCEDIMIENTO PARA FABRICARLA. LA MEMBRANA SE PREPARA POR TRATAMINETO DE UN POLIMERO, QUE TIENE GRUPOS AMINO PRIMARIO, CON ACIDO NITROSO O UN COMPUESTO DE DIAZONIO PARA QUE REACCIONEN LOS GRUPOS DIAZONIO RESULTANTES CON LOS OTROS GRUPOS PRESENTES. LA MEMBRANA RESULTANTE POSEE RESISTENCIA AL CLORO MEJORADA. CUANDO SE EMPLEA EL TRATAMIENTO CON ACIDO NITROSO, EL FLUJO DE AGUA DE UNA MEMBRANA DE POLIAMIDA SE AUMENTA FRECUENTEMENTE CON POCO O SIN EFECTO SOBRE EL RECHAZO DE LA SAL DE LA MEMBRANA.
ES88100109T 1987-01-15 1988-01-07 Membranas de osmosis inversa. Expired - Lifetime ES2046992T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US399687A 1987-01-15 1987-01-15
US07/083,134 US4812238A (en) 1987-01-15 1987-08-10 Membranes prepared via reaction of diazonium compounds or precursors

Publications (1)

Publication Number Publication Date
ES2046992T3 true ES2046992T3 (es) 1994-02-16

Family

ID=26672466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88100109T Expired - Lifetime ES2046992T3 (es) 1987-01-15 1988-01-07 Membranas de osmosis inversa.

Country Status (6)

Country Link
US (1) US4812238A (es)
EP (1) EP0275027B1 (es)
AU (1) AU607960B2 (es)
BR (1) BR8800185A (es)
DE (1) DE3886057T2 (es)
ES (1) ES2046992T3 (es)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888116A (en) * 1987-01-15 1989-12-19 The Dow Chemical Company Method of improving membrane properties via reaction of diazonium compounds or precursors
US4872984A (en) * 1988-09-28 1989-10-10 Hydranautics Corporation Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
IL89970A (en) * 1989-04-14 1994-10-21 Weizmann Kiryat Membrane Prod Composite membranes containing a coated layer of crosslinked polyaromatic polymers and/or sulfonated poly (haloalkylenes)
US5015380A (en) * 1989-04-20 1991-05-14 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide membrane thereon
US4981497A (en) * 1989-06-01 1991-01-01 E. I. Du Pont De Nemours And Company Amine-modified polyimide membranes
EP0432358A1 (en) * 1989-12-13 1991-06-19 Filmtec Corporation Treated composite polyamide membranes to separate concentrated solute
US4964998A (en) * 1989-12-13 1990-10-23 Filmtec Corporation Use of treated composite polyamide membranes to separate concentrated solute
US4960517A (en) * 1989-12-13 1990-10-02 Filmtec Corporation Treatment of composite polyamide membranes via substitution with amine reactive reagents
US5582725A (en) * 1995-05-19 1996-12-10 Bend Research, Inc. Chlorine-resistant composite membranes with high organic rejection
GB2332158B (en) * 1995-08-28 1999-11-24 Millipore Invest Holdings Centrifugal adsorptive sample preparation device and method
US5755964A (en) * 1996-02-02 1998-05-26 The Dow Chemical Company Method of treating polyamide membranes to increase flux
US5658460A (en) * 1996-05-07 1997-08-19 The Dow Chemical Company Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes during drying
KR100614176B1 (ko) * 1999-09-28 2006-08-21 도레이 가부시끼가이샤 복합 반투막의 제조 방법
ATE340634T1 (de) * 2001-05-11 2006-10-15 Poly An Ges Zur Herstellung Vo Verfahren zur verringerung einer adsorptionsneigung von molekülen oder biologischen zellen an einer materialoberfläche
US8028842B2 (en) 2006-01-18 2011-10-04 Virginia Tech Intellectual Properties, Inc. Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers
US7806275B2 (en) * 2007-05-09 2010-10-05 The United States Of America As Represented By The Secretary Of The Interior, The Bureau Of Reclamation Chlorine resistant polyamides and membranes made from the same
US8216473B2 (en) * 2008-06-13 2012-07-10 Solution Dynamics, Llc Apparatus and methods for solution processing using reverse osmosis
TWI398353B (zh) * 2009-03-02 2013-06-11 Ind Tech Res Inst 奈米纖維材料與脫鹽過濾材料
KR101876694B1 (ko) * 2009-12-22 2018-07-09 도레이 카부시키가이샤 반투막 및 그의 제조 방법
JP5640972B2 (ja) * 2009-12-24 2014-12-17 東レ株式会社 複合半透膜およびその製造方法
KR101928256B1 (ko) * 2010-02-23 2018-12-11 도레이 카부시키가이샤 복합 반투막 및 그의 제조 방법
CN102939013B (zh) * 2010-04-28 2015-12-16 昆士兰大学 控制例如下水道和废水处理系统中的细菌活性
KR20140005885A (ko) * 2010-12-28 2014-01-15 도레이 카부시키가이샤 복합 반투막
WO2013006890A1 (en) * 2011-07-12 2013-01-17 The University Of Queensland Treatment of membranes used in water treatment
US9662615B2 (en) * 2012-07-19 2017-05-30 Dow Global Technologies Llc Composite polyamide membrane
US9056284B2 (en) 2012-08-10 2015-06-16 The United States Of America, As Represented By The Secretary Of The Interior Chlorine resistant amides, polyamides, and membranes made from the same
US20150314243A1 (en) * 2013-01-14 2015-11-05 Dow Global Technologies Llc Composite polyamide membrane including tri-hydrocarbyl phosphate
JP6481366B2 (ja) * 2013-02-28 2019-03-13 東レ株式会社 複合半透膜
JP6535010B2 (ja) * 2014-01-09 2019-06-26 ダウ グローバル テクノロジーズ エルエルシー 好ましいアゾ含有量を有する複合ポリアミド皮膜
CN108367244B (zh) 2015-07-29 2022-05-03 格雷迪安特公司 渗透脱盐方法和相关系统
WO2018027479A1 (en) * 2016-08-08 2018-02-15 The University Of Hong Kong Preparation of hand-carry gravity-driven water filter with high throughput and water disinfection performance
KR102120689B1 (ko) * 2017-04-28 2020-06-09 도레이 카부시키가이샤 복합 반투막 및 그의 제조 방법
US11629072B2 (en) 2018-08-22 2023-04-18 Gradiant Corporation Liquid solution concentration system comprising isolated subsystem and related methods
EP4247522A4 (en) 2020-11-17 2024-10-09 Gradiant Corporation OSMOTIC SYSTEMS AND PROCESSES INVOLVING ENERGY HARVESTING

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551331A (en) * 1969-09-22 1970-12-29 Du Pont Reverse osmosis separations using a treated polyamide membrane
US3721623A (en) * 1971-07-23 1973-03-20 Westinghouse Electric Corp Method of improving the salt rejection of semipermeable reverse osmosis membranes
BE788751A (fr) * 1971-09-13 1973-01-02 Teijin Ltd Membranes polymeres permselectives
US3806564A (en) * 1972-01-26 1974-04-23 Interior Method of chemically modifying asymmetric membranes
US3850797A (en) * 1973-06-12 1974-11-26 Culligan Int Co Method of sterilizing reverse osmosis water treatment units
US3966580A (en) * 1974-09-16 1976-06-29 The University Of Utah Novel protein-immobilizing hydrophobic polymeric membrane, process for producing same and apparatus employing same
US4005012A (en) * 1975-09-22 1977-01-25 The United States Of America As Represented By The Secretary Of The Interior Semipermeable membranes and the method for the preparation thereof
US4087388A (en) * 1976-10-21 1978-05-02 E. I. Du Pont De Nemours And Company Process of preparing a permselective membrane
US4080296A (en) * 1977-03-28 1978-03-21 The Dow Chemical Company Hollow fiber permeator
NO153836C (no) * 1978-05-15 1986-06-04 Pall Corp Hydrofile, alkoholuopploeslige polyamidmembraner og fremgangsmaate for deres fremstilling.
US4340480A (en) * 1978-05-15 1982-07-20 Pall Corporation Process for preparing liquophilic polyamide membrane filter media and product
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4227344A (en) * 1979-02-15 1980-10-14 David Poppke Automatic parking lot gate with four-way flex connector
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
DE3035134A1 (de) * 1979-09-19 1981-04-09 Aligena AG, Basel Poroese, modifizierte, fuer die ultrafiltration geeignete membranen auf der basis von polyacrylnitrilen, verfahren zu ihrer herstellung und ihre verwendung
US4673504A (en) * 1980-10-27 1987-06-16 Cuno Inc. Charge modified microporous membrane
GB2101137B (en) * 1981-04-14 1984-09-26 Ube Industries Producing porous aromatic imide polymer membranes
US4415455A (en) * 1982-11-09 1983-11-15 Rohm And Haas Company Reverse osmosis membranes based on hydroxyalkyl methacrylate and methacrylic acid copolymers
JPS60500406A (ja) * 1983-02-02 1985-03-28 メムテツク　リミテツド 架橋した多孔質膜
US4606943A (en) * 1983-03-18 1986-08-19 Culligan International Company Method for preparation of semipermeable composite membrane
DE3342823A1 (de) * 1983-11-26 1985-06-05 Seitz-Filter-Werke Theo & Geo Seitz GmbH und Co, 6550 Bad Kreuznach Verfahren zum herstellen von filterelementen auf der basis von aromatischem polyamid
US4520044A (en) * 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
US4601827A (en) * 1984-09-27 1986-07-22 E. I. Du Pont De Nemours And Company Multistage annealing of aramide reverse osmosis membranes
EP0178350B1 (en) * 1984-10-15 1989-05-10 Shell Internationale Researchmaatschappij B.V. Process for producing dense membranes
US4704324A (en) * 1985-04-03 1987-11-03 The Dow Chemical Company Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups
US4661254A (en) * 1985-05-23 1987-04-28 Uop Inc. Chlorine-resistant semipermeable membranes
US4719062A (en) * 1986-04-23 1988-01-12 E. I. Du Pont De Nemours And Company Extractant-surfactant post-treatments of permselective composite membranes
US4626468A (en) * 1986-04-23 1986-12-02 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide thereon

Also Published As

Publication number Publication date
EP0275027A3 (en) 1989-03-15
EP0275027A2 (en) 1988-07-20
BR8800185A (pt) 1988-08-30
US4812238A (en) 1989-03-14
AU1023388A (en) 1988-07-21
AU607960B2 (en) 1991-03-21
DE3886057D1 (de) 1994-01-20
DE3886057T2 (de) 1994-04-14
EP0275027B1 (en) 1993-12-08

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