DK0880401T3 - Fremgangsmåde til behandling af polyamidmembraner for at forøge fluxen - Google Patents

Fremgangsmåde til behandling af polyamidmembraner for at forøge fluxen

Info

Publication number
DK0880401T3
DK0880401T3 DK97902036T DK97902036T DK0880401T3 DK 0880401 T3 DK0880401 T3 DK 0880401T3 DK 97902036 T DK97902036 T DK 97902036T DK 97902036 T DK97902036 T DK 97902036T DK 0880401 T3 DK0880401 T3 DK 0880401T3
Authority
DK
Denmark
Prior art keywords
polyamide membranes
increase flux
treating polyamide
treating
flux
Prior art date
Application number
DK97902036T
Other languages
English (en)
Inventor
William E Mickols
Original Assignee
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of DK0880401T3 publication Critical patent/DK0880401T3/da

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

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)
DK97902036T 1996-02-02 1997-01-16 Fremgangsmåde til behandling af polyamidmembraner for at forøge fluxen DK0880401T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/595,707 US5755964A (en) 1996-02-02 1996-02-02 Method of treating polyamide membranes to increase flux
PCT/US1997/000648 WO1997027935A1 (en) 1996-02-02 1997-01-16 Method of treating polyamide membranes to increase flux

Publications (1)

Publication Number Publication Date
DK0880401T3 true DK0880401T3 (da) 2000-10-30

Family

ID=24384335

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97902036T DK0880401T3 (da) 1996-02-02 1997-01-16 Fremgangsmåde til behandling af polyamidmembraner for at forøge fluxen

Country Status (11)

Country Link
US (1) US5755964A (da)
EP (1) EP0880401B1 (da)
JP (1) JP3954651B2 (da)
KR (1) KR100460168B1 (da)
AU (1) AU708211B2 (da)
CA (1) CA2243558C (da)
DE (1) DE69702747T2 (da)
DK (1) DK0880401T3 (da)
ES (1) ES2149568T3 (da)
TW (1) TW396186B (da)
WO (1) WO1997027935A1 (da)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW422737B (en) * 1997-08-29 2001-02-21 Hydranautics Reverse osmosis filter assembly, process of manufacturing a filter assembly, and filter assembly made by the process
US6280853B1 (en) 1999-06-10 2001-08-28 The Dow Chemical Company Composite membrane with polyalkylene oxide modified polyamide surface
KR100371901B1 (ko) * 1999-10-30 2003-02-11 한국화학연구원 Ｐｖａ 보호막을 포함하는 폴리아미드 나노분리막
US6337018B1 (en) 2000-04-17 2002-01-08 The Dow Chemical Company Composite membrane and method for making the same
JP4989843B2 (ja) * 2001-07-20 2012-08-01 マクマスター ユニヴァーシティ 非対称性ゲル充填微多孔質膜
EP1448592B1 (en) * 2001-10-18 2006-03-08 Sterix Limited Steroidal compounds for inhibiting steroid sulphatase
EP1483033A4 (en) * 2002-03-01 2005-04-13 Osmonics Inc METHOD FOR PRODUCING SEMI-PERMANENT MEMBRANES WITH IMPROVED PERMEABILITY
US20040140259A1 (en) * 2003-01-20 2004-07-22 Cummings James A. Membrane flux enhancement
US7279097B2 (en) * 2003-06-18 2007-10-09 Toray Industries, Inc. Composite semipermeable membrane, and production process thereof
GB0317839D0 (en) * 2003-07-30 2003-09-03 Univ Surrey Solvent removal process
US20050056589A1 (en) * 2003-09-16 2005-03-17 General Electric Company Treatment of semi-permeable filtration membranes
US7604746B2 (en) * 2004-04-27 2009-10-20 Mcmaster University Pervaporation composite membranes
RU2007137124A (ru) * 2005-03-09 2009-04-20 Дзе Риджентс Оф Дзе Юниверсити Оф Калифорния (Us) Нанокомпозитные мембраны и способы их получения и применения
KR100680109B1 (ko) * 2005-07-27 2007-02-07 웅진코웨이주식회사 폴리아미드 역삼투 복합막 및 그 제조방법
US7727434B2 (en) * 2005-08-16 2010-06-01 General Electric Company Membranes and methods of treating membranes
KR100716210B1 (ko) * 2005-09-20 2007-05-10 웅진코웨이주식회사 폴리아미드 역삼투 복합막 제조방법 및 이로부터 제조된폴리아미드 역삼투 복합막
US7913857B2 (en) * 2006-02-01 2011-03-29 Woongjin Chemical Co., Ltd. Selective membrane having a high fouling resistance
US20070251883A1 (en) * 2006-04-28 2007-11-01 Niu Q Jason Reverse Osmosis Membrane with Branched Poly(Alkylene Oxide) Modified Antifouling Surface
KR101360751B1 (ko) * 2006-05-12 2014-02-07 다우 글로벌 테크놀로지스 엘엘씨 개질된 막
KR100905901B1 (ko) * 2006-09-07 2009-07-02 웅진코웨이주식회사 폴리아미드 역삼투 복합막 활성층 형성용 아민 수용액,이를 이용한 폴리아미드 역삼투 복합막, 및 이의 제조방법
WO2008057842A2 (en) * 2006-10-27 2008-05-15 The Regents Of The University Of California Micro-and nanocomposite support structures for reverse osmosis thin film membranes
JP4921565B2 (ja) 2007-02-05 2012-04-25 ダウ グローバル テクノロジーズ エルエルシー 修飾ポリアミド膜
AU2007200609B2 (en) * 2007-02-13 2008-11-20 Saehan Industries Incorporation Selective membrane having a high fouling resistance
JP5130967B2 (ja) * 2007-03-19 2013-01-30 東レ株式会社 複合半透膜の製造方法
JP5131028B2 (ja) * 2007-05-30 2013-01-30 東レ株式会社 複合半透膜の製造方法
JP5131027B2 (ja) * 2007-05-31 2013-01-30 東レ株式会社 複合半透膜の製造方法
CA2700333A1 (en) * 2007-09-21 2009-03-26 The Regents Of The University Of California Nanocomposite membranes and methods of making and using same
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
KR20100003799A (ko) * 2008-07-02 2010-01-12 웅진케미칼 주식회사 높은 안티파울링성을 가지는 선택적 분리막 및 그의제조방법
US8147735B2 (en) * 2008-07-09 2012-04-03 Eltron Research & Development, Inc. Semipermeable polymers and method for producing same
US7815987B2 (en) * 2008-12-04 2010-10-19 Dow Global Technologies Inc. Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds
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
EP2448657B1 (en) * 2009-06-29 2018-12-26 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
JP5633517B2 (ja) * 2009-09-29 2014-12-03 栗田工業株式会社 透過膜の阻止率向上方法及び透過膜
CN102596376B (zh) 2009-10-19 2014-11-19 陶氏环球技术有限责任公司 测试螺旋卷组件的完整性的方法
KR101788534B1 (ko) * 2009-10-27 2017-10-20 다우 글로벌 테크놀로지스 엘엘씨 나선형 권취 모듈의 외주부에 테이프층을 도포하기 위한 방법
WO2011087536A1 (en) 2010-01-12 2011-07-21 Dow Global Technologies Llc Method of testing spiral wound modules by thermal imaging
WO2011112351A1 (en) 2010-03-10 2011-09-15 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and acetophenone compounds
WO2011136865A1 (en) 2010-04-26 2011-11-03 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and triazine compounds
CN102917775B (zh) 2010-05-24 2015-11-25 陶氏环球技术有限责任公司 具有包含聚环氧烷和咪唑化合物的涂层的聚酰胺膜
US8733558B2 (en) 2010-05-24 2014-05-27 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds
US8757396B2 (en) 2010-05-24 2014-06-24 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds
US20130079509A1 (en) * 2010-06-07 2013-03-28 Dupont Nutrition Biosciences Aps Separation process
CA2817570C (en) 2010-11-10 2018-03-06 Nanoh2O, Inc. Improved hybrid tfc ro membranes with additives
JP5914973B2 (ja) * 2011-03-09 2016-05-11 栗田工業株式会社 透過膜の阻止率向上方法及び阻止率向上処理剤
JP5929296B2 (ja) * 2012-02-21 2016-06-01 栗田工業株式会社 逆浸透膜の阻止率向上方法
JP5772083B2 (ja) * 2011-03-09 2015-09-02 栗田工業株式会社 逆浸透膜の阻止率向上方法、阻止率向上処理剤及び逆浸透膜
SG192806A1 (en) * 2011-03-09 2013-09-30 Kurita Water Ind Ltd Method for improving blocking rate of reverse osmosis membrane, treatment agent for improving blocking rate, and reverse osmosis membrane
US8778182B2 (en) 2011-07-28 2014-07-15 Dow Global Technologies Llc Spiral wound element and seal assembly
US20140336338A1 (en) * 2011-12-07 2014-11-13 Dupont Nutrition Biosciences Aps Nanofiltration process with pre-treatment to enhance solute flux
EP2874733A1 (en) * 2012-07-19 2015-05-27 Dow Global Technologies LLC Composite polyamide membrane with increased carboxylic acid functionality
US9346023B2 (en) 2012-08-21 2016-05-24 General Electric Company Flux enhancing agent for improving composite polyamide reverse osmosis membrane performance
CN105163837B (zh) 2013-05-03 2017-05-10 陶氏环球技术有限责任公司 衍生自脂肪族非环状叔胺化合物的复合聚酰胺膜
CN103638832B (zh) * 2013-11-14 2016-06-08 株洲时代新材料科技股份有限公司 一种聚酰胺复合膜及其制备方法
US10384167B2 (en) 2013-11-21 2019-08-20 Oasys Water LLC Systems and methods for improving performance of osmotically driven membrane systems
CN103933878A (zh) * 2014-04-25 2014-07-23 浙江理工大学 一种高通量复合反渗透膜
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
CN113750798B (zh) * 2020-06-01 2022-07-19 天津工业大学 双电层复合纳滤膜的制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
NL174020C (nl) * 1973-09-07 1984-04-16 Sumitomo Chemical Co Werkwijze voor het vervaardigen van een membraan voor het scheiden van stoffen, en het vervaardigde membraan.
US3926798A (en) * 1974-10-17 1975-12-16 Us Interior Reverse osmosis membrane
JPS5695304A (en) * 1979-12-28 1981-08-01 Teijin Ltd Perm selective composite membrane and its production
JPS5811005A (ja) * 1981-07-10 1983-01-21 Toray Ind Inc 半透膜の処理法
CH656626A5 (fr) * 1982-02-05 1986-07-15 Pall Corp Membrane en polyamide, presentant des proprietes de surface controlees, son utilisation et son procede de preparation.
JPS59115704A (ja) * 1982-12-24 1984-07-04 Toray Ind Inc 半透膜の処理法
US4812270A (en) * 1986-04-28 1989-03-14 Filmtec Corporation Novel water softening membranes
US4765897A (en) * 1986-04-28 1988-08-23 The Dow Chemical Company Polyamide membranes useful for water softening
US4824574A (en) * 1986-04-28 1989-04-25 The Dow Chemical Company Novel water softening process using membranes
US4812238A (en) * 1987-01-15 1989-03-14 The Dow Chemical Company Membranes prepared via reaction of diazonium compounds or precursors
JPS63271847A (ja) * 1987-04-28 1988-11-09 Mitsubishi Electric Corp シヤドウマスク式カラ−ブラウン管
JP2682071B2 (ja) * 1987-11-13 1997-11-26 東レ株式会社 架橋ポリアミド系逆浸透膜の処理方法
JPH081202B2 (ja) * 1989-04-03 1996-01-10 株式会社豊田自動織機製作所 単動式油圧シリンダの作動回路
US4964998A (en) * 1989-12-13 1990-10-23 Filmtec Corporation Use of treated composite polyamide membranes to separate concentrated solute
JP2505631B2 (ja) * 1990-08-09 1996-06-12 東レ株式会社 複合半透膜およびその製造方法および高純度水の製造方法

Also Published As

Publication number Publication date
CA2243558C (en) 2004-06-22
DE69702747T2 (de) 2001-03-29
ES2149568T3 (es) 2000-11-01
JP2000504270A (ja) 2000-04-11
AU708211B2 (en) 1999-07-29
US5755964A (en) 1998-05-26
CA2243558A1 (en) 1997-08-07
KR100460168B1 (ko) 2005-05-13
EP0880401B1 (en) 2000-08-09
WO1997027935A1 (en) 1997-08-07
EP0880401A1 (en) 1998-12-02
AU1580097A (en) 1997-08-22
JP3954651B2 (ja) 2007-08-08
KR19990082137A (ko) 1999-11-15
DE69702747D1 (de) 2000-09-14
TW396186B (en) 2000-07-01

Similar Documents

Publication Publication Date Title
DK0880401T3 (da) Fremgangsmåde til behandling af polyamidmembraner for at forøge fluxen
DK0857784T3 (da) Fremgangsmåde til fremstilling af L-lysin
DK0811682T3 (da) Fremgangsmåde til fremstilling af L-lysin
DK0854189T3 (da) Fremgangsmåde til fremstilling af L-lysin
DK0754756T3 (da) Fremgangsmåde til fremstilling af L-lysin
DK0931023T3 (da) Fremgangsmåde til behandling af ammoniakholdigt spildevand
DK1142485T3 (da) Fremgangsmåde til forbedring af oplöseligheden af planteproteiner
DK0796207T3 (da) Bærer af klemmetypen
DK0911416T3 (da) Fremgangsmåde til fremstilling af protein
DK0937055T3 (da) Fremgangsmåde til fremstilling af d,I-alfa-tocopherol
DK0937068T3 (da) Fremgangsmåde til krystallisation af losartan
DK0942899T3 (da) Fremgangsmåde til fremstilling af metoprolol.
DE69710078D1 (de) Verfahren zur reinigung von 1,1,1,3,3-pentafluorpropan
DK0774494T3 (da) Fremgangsmåde til fremstilling af farvekoncentrater
DK1034138T3 (da) Apparat og fremgangsmåde til rensning af vand
DK66896A (da) Fremgangsmåde til oprengning af en kulbrintestrøm
DK0932696T3 (da) Fremgangsmåde til rensning af GBS toksin/CM101
DK0966294T3 (da) Todelt fremgangsmåde til oparbejdning af aloehelblad
DK0768685T3 (da) Fremgangsmåde til fremstilling af forskelligt dimensionerede sadelspoler
DK0754409T3 (da) Fremgangsmåde til fremstilling af hurtigtstegte nudler
DK0888168T3 (da) Fremgangsmåde til rensning af procesgasser
DK0673671T3 (da) Membranfremgangsmåde til adskillelse af flydende blandinger
DK0820468T3 (da) Fremgangsmåde til rensning af glycoproteiner, såsom erythropoietin
DK0931016T3 (da) Fremgangsmåde til fremstilling af dispergerbare aluminosilicater
DK27894A (da) Fremgangsmåde til genvinding af alkyleringskatalysator