DE69702747D1 - Methode zur behandlung von poyamidmembranen um den fluss zu erhöhen - Google Patents

Methode zur behandlung von poyamidmembranen um den fluss zu erhöhen

Info

Publication number
DE69702747D1
DE69702747D1 DE69702747T DE69702747T DE69702747D1 DE 69702747 D1 DE69702747 D1 DE 69702747D1 DE 69702747 T DE69702747 T DE 69702747T DE 69702747 T DE69702747 T DE 69702747T DE 69702747 D1 DE69702747 D1 DE 69702747D1
Authority
DE
Germany
Prior art keywords
poyamide
river
membranes
treating
increase
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
DE69702747T
Other languages
English (en)
Other versions
DE69702747T2 (de
Inventor
E Mickols
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.)
Dow Chemical Co
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
Publication of DE69702747D1 publication Critical patent/DE69702747D1/de
Application granted granted Critical
Publication of DE69702747T2 publication Critical patent/DE69702747T2/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
    • 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)
DE69702747T 1996-02-02 1997-01-16 Methode zur behandlung von poyamidmembranen um den fluss zu erhöhen Expired - Fee Related DE69702747T2 (de)

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 (2)

Publication Number Publication Date
DE69702747D1 true DE69702747D1 (de) 2000-09-14
DE69702747T2 DE69702747T2 (de) 2001-03-29

Family

ID=24384335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702747T Expired - Fee Related DE69702747T2 (de) 1996-02-02 1997-01-16 Methode zur behandlung von poyamidmembranen um den fluss zu erhöhen

Country Status (11)

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

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CA2667579A1 (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
EP2117688B1 (de) 2007-02-05 2011-07-13 Dow Global Technologies LLC Modifizierte Polyamidmembran
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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
WO2009039467A1 (en) * 2007-09-21 2009-03-26 The Regents Of The University Of California Nanocomposite membranes and methods of making and using same
US8567612B2 (en) * 2008-04-15 2013-10-29 Nanoh2O, Inc. Hybrid TFC RO membranes with nitrogen additives
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
WO2011040354A1 (ja) * 2009-09-29 2011-04-07 栗田工業株式会社 透過膜の阻止率向上方法及び透過膜
WO2011049790A1 (en) 2009-10-19 2011-04-28 Dow Global Technologies Llc Method of testing the integrity of spiral wound modules
JP5763662B2 (ja) 2009-10-27 2015-08-12 ダウ グローバル テクノロジーズ エルエルシー 渦巻状巻回型モジュールの外周にテープ層を適用する方法
US8348499B2 (en) * 2010-01-12 2013-01-08 Dow Global Technologies Llc Method of testing spiral wound modules by thermal imaging
CN102791365B (zh) * 2010-03-10 2014-12-24 陶氏环球技术有限责任公司 具有包含聚环氧烷和苯乙酮化合物的涂层的聚酰胺膜
WO2011136865A1 (en) 2010-04-26 2011-11-03 Dow Global Technologies Llc Polyamide membrane with a coating comprising polyalkylene oxide and triazine compounds
WO2011149572A1 (en) 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and imidazol compounds
WO2011149573A1 (en) 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and oxy- substituted phenyl compounds
US8733558B2 (en) 2010-05-24 2014-05-27 Dow Global Technologies Llc Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds
EP2576023A1 (de) * 2010-06-07 2013-04-10 Dupont Nutrition Biosciences ApS Separationsverfahren
EP2637773B1 (de) 2010-11-10 2019-10-30 NanoH2O Inc. Verbesserte hybrid-tfc-ro-membranen mit nichtmetallischen additiven
EP2684598B1 (de) * 2011-03-09 2019-05-01 Kurita Water Industries Ltd. Verfahren zur erhöhung der blockierrate von umkehrosmosemembranen und verwendung eines behandlungsmittels zur erhöhung der blockierrate einer umkehrosmosemembran
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
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
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 (de) * 2012-07-19 2015-05-27 Dow Global Technologies LLC Zusammengesetzte polyamidmembran mit erhöhter carbonsäurefunktionalität
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

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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
US4824574A (en) * 1986-04-28 1989-04-25 The Dow Chemical Company Novel water softening process using membranes
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Also Published As

Publication number Publication date
DK0880401T3 (da) 2000-10-30
AU708211B2 (en) 1999-07-29
TW396186B (en) 2000-07-01
CA2243558A1 (en) 1997-08-07
EP0880401B1 (de) 2000-08-09
DE69702747T2 (de) 2001-03-29
WO1997027935A1 (en) 1997-08-07
JP2000504270A (ja) 2000-04-11
CA2243558C (en) 2004-06-22
KR19990082137A (ko) 1999-11-15
JP3954651B2 (ja) 2007-08-08
ES2149568T3 (es) 2000-11-01
KR100460168B1 (ko) 2005-05-13
EP0880401A1 (de) 1998-12-02
AU1580097A (en) 1997-08-22
US5755964A (en) 1998-05-26

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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