IL151808A0 - Method of treating reverse osmosis membrane element, and reverse osmosis membrane module - Google Patents

Method of treating reverse osmosis membrane element, and reverse osmosis membrane module

Info

Publication number
IL151808A0
IL151808A0 IL15180802A IL15180802A IL151808A0 IL 151808 A0 IL151808 A0 IL 151808A0 IL 15180802 A IL15180802 A IL 15180802A IL 15180802 A IL15180802 A IL 15180802A IL 151808 A0 IL151808 A0 IL 151808A0
Authority
IL
Israel
Prior art keywords
reverse osmosis
osmosis membrane
treating
membrane module
membrane element
Prior art date
Application number
IL15180802A
Other languages
English (en)
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 IL151808A0 publication Critical patent/IL151808A0/xx

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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
IL15180802A 2001-09-20 2002-09-19 Method of treating reverse osmosis membrane element, and reverse osmosis membrane module IL151808A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001287573A JP2003088730A (ja) 2001-09-20 2001-09-20 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

Publications (1)

Publication Number Publication Date
IL151808A0 true IL151808A0 (en) 2003-04-10

Family

ID=19110359

Family Applications (1)

Application Number Title Priority Date Filing Date
IL15180802A IL151808A0 (en) 2001-09-20 2002-09-19 Method of treating reverse osmosis membrane element, and reverse osmosis membrane module

Country Status (5)

Country Link
US (1) US6821430B2 (es)
EP (1) EP1295631B1 (es)
JP (1) JP2003088730A (es)
ES (1) ES2278851T3 (es)
IL (1) IL151808A0 (es)

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JP4172394B2 (ja) * 2002-01-22 2008-10-29 東レ株式会社 造水方法および造水装置
US20030230531A1 (en) * 2002-06-13 2003-12-18 Hydranautics And Nitto Denko Corporation Method for reducing boron concentration in high salinity liquid
CN100436335C (zh) * 2002-06-13 2008-11-26 美国海德能公司 降低高盐度液体中硼浓度的方法
JP4227446B2 (ja) 2003-03-27 2009-02-18 キヤノン株式会社 画像形成装置
JP4484635B2 (ja) * 2004-09-02 2010-06-16 日東電工株式会社 スパイラル型逆浸透膜エレメント、およびその製造方法
US7491334B2 (en) * 2004-09-29 2009-02-17 North Pacific Research, Llc Method of treating reverse osmosis membranes for boron rejection enhancement
JP2006102624A (ja) * 2004-10-05 2006-04-20 Nitto Denko Corp 逆浸透膜及びその製造方法
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
JP5151152B2 (ja) * 2006-03-29 2013-02-27 栗田工業株式会社 ナノろ過膜又は逆浸透膜の阻止率向上剤、阻止率向上方法、ナノろ過膜又は逆浸透膜、水処理方法、及び、水処理装置
KR100784356B1 (ko) 2006-06-21 2007-12-13 추광호 질산성 질소 및 보론을 포함한 이온성물질을 제거하는수질정화방법
CN101743046A (zh) 2007-06-28 2010-06-16 卡勒拉公司 包括碳酸盐化合物沉淀的脱盐方法和系统
US8177978B2 (en) 2008-04-15 2012-05-15 Nanoh20, Inc. Reverse osmosis membranes
US8147735B2 (en) * 2008-07-09 2012-04-03 Eltron Research & Development, Inc. Semipermeable polymers and method for producing same
KR101025750B1 (ko) 2008-08-18 2011-04-04 웅진케미칼 주식회사 역삼투 분리막의 제조방법 및 그로부터 제조된 보론 제거능이 우수한 역삼투 분리막
WO2010035807A1 (ja) * 2008-09-26 2010-04-01 日東電工株式会社 複合半透膜及びその製造方法
JP5925409B2 (ja) * 2008-10-23 2016-05-25 日東電工株式会社 熱硬化性樹脂多孔シートの製造方法、熱硬化性樹脂多孔シート、及びそれを用いた複合半透膜
WO2010086852A1 (en) * 2009-01-29 2010-08-05 Ben-Gurion University Of The Negev Research And Development Authority A method for modifying composite membranes for liquid separations
CA2766352C (en) 2009-06-29 2018-09-18 NanoH2O Inc. Improved hybrid tfc ro membranes with nitrogen additives
US20110049055A1 (en) 2009-08-31 2011-03-03 General Electric Company Reverse osmosis composite membranes for boron removal
CN102695555B (zh) * 2009-09-29 2015-11-25 栗田工业株式会社 提高透过膜阻止率的方法及透过膜
US8857629B2 (en) 2010-07-15 2014-10-14 International Business Machines Corporation Composite membrane with multi-layered active layer
US8357300B2 (en) 2010-08-16 2013-01-22 Hydranautics Methods and materials for selective boron adsorption from aqueous solution
US9216385B2 (en) 2010-10-04 2015-12-22 Saudi Arabian Oil Company Application of rejection enhancing agents (REAs) that do not have cloud point limitations on desalination membranes
EP2637773B1 (en) 2010-11-10 2019-10-30 NanoH2O Inc. Improved hybrid tfc ro membranes with non-metallic additives
US9022227B2 (en) 2011-03-21 2015-05-05 International Business Machines Corporation Composite membranes and methods of preparation thereof
JP5660461B2 (ja) * 2011-03-29 2015-01-28 住友大阪セメント株式会社 膜分離を用いた排水の処理方法および処理装置
US9561474B2 (en) 2012-06-07 2017-02-07 International Business Machines Corporation Composite membrane with multi-layered active layer
RU2545280C1 (ru) * 2013-12-19 2015-03-27 Общество С Ограниченной Ответственностью "Акварекон" Способ удаления отложений и биозагрязнений из мембранных элементов
JP6484460B2 (ja) * 2015-02-24 2019-03-13 オルガノ株式会社 分離膜の運転方法、および分離膜の改質方法
CN107635652B (zh) * 2015-02-24 2021-08-24 奥加诺株式会社 反渗透膜的改性方法、反渗透膜、含硼水的处理方法以及分离膜的运行方法
JP6506987B2 (ja) * 2015-02-24 2019-04-24 オルガノ株式会社 逆浸透膜の改質方法、およびホウ素含有水の処理方法
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
JP2018030074A (ja) * 2016-08-23 2018-03-01 オルガノ株式会社 ポリアミド系逆浸透膜、およびそのポリアミド系逆浸透膜の製造方法
JP6823401B2 (ja) 2016-08-23 2021-02-03 オルガノ株式会社 低分子有機物含有水の処理方法および逆浸透膜の改質方法
US10450633B2 (en) * 2017-07-21 2019-10-22 Larry Lien Recovery of lithium from an acid solution
WO2019143182A1 (ko) * 2018-01-18 2019-07-25 주식회사 엘지화학 수처리 분리막의 제조방법 및 이에 의하여 제조된 수처리 분리막

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US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
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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
US6805796B2 (en) * 2001-02-13 2004-10-19 Nitto Denko Corporation Water treatment apparatus

Also Published As

Publication number Publication date
US20030066805A1 (en) 2003-04-10
EP1295631B1 (en) 2007-02-21
JP2003088730A (ja) 2003-03-25
US6821430B2 (en) 2004-11-23
ES2278851T3 (es) 2007-08-16
EP1295631A2 (en) 2003-03-26
EP1295631A3 (en) 2003-05-07

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