DE69717322D1 - Hochdurchlässige zusammengesetzte Umkehrosmosemembran - Google Patents

Hochdurchlässige zusammengesetzte Umkehrosmosemembran

Info

Publication number
DE69717322D1
DE69717322D1 DE69717322T DE69717322T DE69717322D1 DE 69717322 D1 DE69717322 D1 DE 69717322D1 DE 69717322 T DE69717322 T DE 69717322T DE 69717322 T DE69717322 T DE 69717322T DE 69717322 D1 DE69717322 D1 DE 69717322D1
Authority
DE
Germany
Prior art keywords
reverse osmosis
osmosis membrane
highly permeable
permeable composite
composite reverse
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 - Fee Related
Application number
DE69717322T
Other languages
English (en)
Other versions
DE69717322T2 (de
Inventor
Masahiko Hirose
Tomomi Ohara
Masaaki Ando
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of DE69717322D1 publication Critical patent/DE69717322D1/de
Application granted granted Critical
Publication of DE69717322T2 publication Critical patent/DE69717322T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B01D67/0093—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
    • 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)
DE69717322T 1996-01-24 1997-01-23 Hochdurchlässige zusammengesetzte Umkehrosmosemembran Expired - Fee Related DE69717322T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1013896 1996-01-24
JP1870496 1996-02-05

Publications (2)

Publication Number Publication Date
DE69717322D1 true DE69717322D1 (de) 2003-01-09
DE69717322T2 DE69717322T2 (de) 2003-09-04

Family

ID=26345346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717322T Expired - Fee Related DE69717322T2 (de) 1996-01-24 1997-01-23 Hochdurchlässige zusammengesetzte Umkehrosmosemembran

Country Status (5)

Country Link
US (1) US6171497B1 (de)
EP (1) EP0787525B1 (de)
CN (1) CN1103625C (de)
DE (1) DE69717322T2 (de)
DK (1) DK0787525T3 (de)

Families Citing this family (44)

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DE69736172T2 (de) * 1996-03-18 2007-04-26 Nitto Denko Corporation, Ibaraki Verbundmembran fur umkehrosmose und methode zur wasserbehandlung mit umkehrosmose mit hilfe derselben
US6413425B1 (en) 1997-04-10 2002-07-02 Nitto Denko Corporation Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same
WO1999001208A1 (fr) * 1997-07-02 1999-01-14 Nitto Denko Corporation Membrane composite d'osmose inverse et procede de production
US5876602A (en) * 1997-11-04 1999-03-02 The Dow Chemical Company Treatment of composite polyamide membranes to improve performance
DE69920419T2 (de) * 1999-01-14 2006-02-23 Toray Industries, Inc. Semipermeable verbundmembran, verfahren zu ihrer herstellung und verfahren zur reinigung von wasser mit hilfe derselben
US6464873B1 (en) * 1999-06-15 2002-10-15 Hydranautics Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same
JP4289757B2 (ja) * 2000-03-23 2009-07-01 日東電工株式会社 複合逆浸透膜の製造方法
DK1289637T3 (da) 2000-05-23 2010-11-15 Ge Osmonics Inc Polysulfonamidmatrixer
US6837996B2 (en) 2000-05-23 2005-01-04 Ge Osmonics, Inc. Polysulfonamide matrices
US6783711B2 (en) 2000-05-23 2004-08-31 Ge Osmonics, Inc. Process for preparing a sulfonamide polymer matrix
CN1297590C (zh) 2000-05-23 2007-01-31 Ge奥斯莫尼克斯公司 改性磺酰胺聚合物
IL137226A0 (en) * 2000-07-09 2001-07-24 Nirosoft Ind Ltd Method for modifying membrane rejection characteristics
US20030015470A1 (en) * 2001-07-20 2003-01-23 Muralidhara Harapanahalli S. Nanofiltration water-softening apparatus and method
JP2003080042A (ja) * 2001-09-10 2003-03-18 Nitto Denko Corp 複合半透膜及びその製造方法
JP2003088730A (ja) * 2001-09-20 2003-03-25 Nitto Denko Corp 逆浸透膜エレメントの処理方法、および逆浸透膜モジュール
US7156997B2 (en) * 2001-10-05 2007-01-02 Dow Global Technologies Inc. Package assembly for piperazine-based membranes
ATE521576T1 (de) * 2002-01-22 2011-09-15 Toray Industries Verfahren zur erzeugung von frischwasser und frischwassererzeuger
EP1481268A4 (de) * 2002-02-07 2005-06-29 Covalent Partners Llc Nanofilm und membranzusammensetzungen
US20040034223A1 (en) * 2002-02-07 2004-02-19 Covalent Partners, Llc. Amphiphilic molecular modules and constructs based thereon
US7144511B2 (en) * 2002-05-02 2006-12-05 City Of Long Beach Two stage nanofiltration seawater desalination system
US20040106741A1 (en) * 2002-09-17 2004-06-03 Kriesel Joshua W. Nanofilm compositions with polymeric components
JP2006102624A (ja) * 2004-10-05 2006-04-20 Nitto Denko Corp 逆浸透膜及びその製造方法
US7479300B2 (en) * 2005-03-30 2009-01-20 Woongjin Chemical Co., Ltd. Composite polyamide reverse osmosis membrane and method of producing the same
TW200706499A (en) * 2005-07-12 2007-02-16 Cargill Inc Extended-life water softening system, apparatus and method
WO2007084759A2 (en) 2006-01-18 2007-07-26 Board Of Regents, The University Of Texas System Chlorine resistant desalination membranes based on directly sulfonated poly(arylene ether sulfone) copolymers
CN100453153C (zh) * 2006-08-17 2009-01-21 贵阳时代汇通膜科技有限公司 一种极低压复合反渗透膜的生产方法
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
WO2011008549A2 (en) * 2009-06-29 2011-01-20 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
WO2011102124A1 (ja) 2010-02-16 2011-08-25 日東電工株式会社 複合分離膜およびこれを用いた分離膜エレメント
WO2012064939A2 (en) 2010-11-10 2012-05-18 Nanoh2O, Inc. Improved hybrid tfc ro membranes with non-metallic additives
US20130146530A1 (en) * 2011-12-08 2013-06-13 General Electric Company Membrane, water treatment system, and method of making
ES2856328T3 (es) 2012-11-23 2021-09-27 Council Scient Ind Res Una membrana de ósmosis inversa de compuesto de película delgada modificada y usos de la misma
CN102941019B (zh) * 2012-12-04 2015-04-22 贵阳时代沃顿科技有限公司 一种提高反渗透膜元件抗污染性能的方法
US10040704B2 (en) 2014-10-29 2018-08-07 Dow Global Technologies Llc Water treatment assembly including hyperfiltration module and cation exchange resin
CN104437110B (zh) 2014-12-15 2016-09-28 湖南澳维环保科技有限公司 一种大通量聚酰胺复合膜
US9695065B2 (en) * 2015-06-03 2017-07-04 Lg Nanoh2O, Inc. Combination of chemical additives for enhancement of water flux of a membrane
US9861940B2 (en) 2015-08-31 2018-01-09 Lg Baboh2O, Inc. Additives for salt rejection enhancement of a membrane
EP3395434B1 (de) * 2015-12-25 2021-05-12 Toray Industries, Inc. Halbdurchlässige verbundmembran
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
JP6774841B2 (ja) 2016-10-28 2020-10-28 日東電工株式会社 複合半透膜、及びスパイラル型分離膜エレメント
JP6807219B2 (ja) * 2016-11-18 2021-01-06 オルガノ株式会社 逆浸透膜処理システムおよび逆浸透膜処理方法
CN107126850A (zh) * 2017-05-23 2017-09-05 中国石油大学(华东) 一种聚磺酰胺纳滤或反渗透复合膜及其制备方法
US11534719B1 (en) * 2021-07-02 2022-12-27 Gradiant Corporation Membranes with controlled porosity for serial filtration

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US4262041A (en) 1978-02-02 1981-04-14 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Process for preparing a composite amphoteric ion exchange membrane
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
US4360434A (en) 1981-01-15 1982-11-23 Teijin Limited Amphoteric ion-permeable composite membrane
US4707265A (en) 1981-12-18 1987-11-17 Cuno Incorporated Reinforced microporous membrane
US4888115A (en) 1983-12-29 1989-12-19 Cuno, Incorporated Cross-flow filtration
US4604208A (en) 1983-12-29 1986-08-05 Chaokang Chu Liquid filtration using an anionic microporous membrane
US4520044A (en) 1984-07-30 1985-05-28 E. I. Du Pont De Nemours And Company Production of composite membranes
NL8402648A (nl) 1984-08-30 1986-03-17 Wafilin Bv Semi-permeabel samengesteld membraan uit een wateroplosbaar polymeer verkregen onder toepassing van een verknopingsmiddel.
JPS61129094A (ja) 1984-11-26 1986-06-17 Nitto Electric Ind Co Ltd 膜処理装置
US4772394A (en) 1984-12-26 1988-09-20 Uop Inc. Chlorine-resistant semipermeable membranes
JPS61263602A (ja) 1985-05-17 1986-11-21 Nok Corp 限外口過膜
JPS62121603A (ja) 1985-08-05 1987-06-02 Toray Ind Inc 複合半透膜及びその製造方法
US4758343A (en) 1985-09-20 1988-07-19 Toray Industries, Inc. Interfacially synthesized reverse osmosis membrane
JPS62266103A (ja) 1986-05-14 1987-11-18 Toray Ind Inc 複合半透膜
JPS6312310A (ja) 1986-07-04 1988-01-19 Toray Ind Inc 半透性複合膜の製造方法
JPS6354905A (ja) 1986-08-25 1988-03-09 Toray Ind Inc 半透性複合膜の製造方法
US5069945A (en) 1986-10-20 1991-12-03 Memtec America Corporation Ultrapous thin-film membranes
JPS63130105A (ja) 1986-11-19 1988-06-02 Mitsubishi Gas Chem Co Inc 選択透過性複合膜の製造方法
JPS63218208A (ja) 1987-03-05 1988-09-12 Toray Ind Inc 複合半透膜およびその製造方法
US4830885A (en) 1987-06-08 1989-05-16 Allied-Signal Inc. Chlorine-resistant semipermeable membranes
JPH01180208A (ja) 1988-01-11 1989-07-18 Toray Ind Inc 複合半透膜の製造方法およびその膜
US4792404A (en) 1988-03-28 1988-12-20 Allied-Signal Inc. Desalination of saline water
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
US5015382A (en) 1989-04-20 1991-05-14 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide membrane thereon
US4950404A (en) 1989-08-30 1990-08-21 Allied-Signal Inc. High flux semipermeable membranes
DE3929648C1 (de) * 1989-09-06 1990-11-29 Sartorius Gmbh, 3400 Goettingen, De
US4960518A (en) 1989-12-13 1990-10-02 The Filmtec Corporation Treatment of composite polyamide membranes with compatible oxidants
US5152901A (en) 1990-09-14 1992-10-06 Ionics, Incorporated Polyamine-polyamide composite nanofiltration membrane for water softening
JP3021692B2 (ja) 1991-01-28 2000-03-15 日東電工株式会社 複合半透膜
US5258203A (en) 1991-02-04 1993-11-02 E. I. Du Pont De Nemours And Company Process for the manufacture of thin film composite membranes
US5271843A (en) 1991-09-09 1993-12-21 Allied-Signal Inc. Chlorine-tolerant, thin-film composite membrane
JP3132084B2 (ja) 1991-10-02 2001-02-05 東レ株式会社 逆浸透法用複合膜の製造方法
JP3210733B2 (ja) 1992-05-11 2001-09-17 日東電工株式会社 多段式逆浸透システム及びこれを用いた超純水の製造方法
US5234598A (en) 1992-05-13 1993-08-10 Allied-Signal Inc. Thin-film composite membrane
JP3006976B2 (ja) 1993-06-24 2000-02-07 日東電工株式会社 高透過性複合逆浸透膜の製造方法
JP3489922B2 (ja) 1994-12-22 2004-01-26 日東電工株式会社 高透過性複合逆浸透膜の製造方法
US5614099A (en) 1994-12-22 1997-03-25 Nitto Denko Corporation Highly permeable composite reverse osmosis membrane, method of producing the same, and method of using the same

Also Published As

Publication number Publication date
DK0787525T3 (da) 2003-03-10
US6171497B1 (en) 2001-01-09
EP0787525A1 (de) 1997-08-06
EP0787525B1 (de) 2002-11-27
CN1103625C (zh) 2003-03-26
CN1163793A (zh) 1997-11-05
DE69717322T2 (de) 2003-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee