WO2009011415A1 - 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置 - Google Patents

透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置 Download PDF

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Publication number
WO2009011415A1
WO2009011415A1 PCT/JP2008/062988 JP2008062988W WO2009011415A1 WO 2009011415 A1 WO2009011415 A1 WO 2009011415A1 JP 2008062988 W JP2008062988 W JP 2008062988W WO 2009011415 A1 WO2009011415 A1 WO 2009011415A1
Authority
WO
WIPO (PCT)
Prior art keywords
permeable membrane
blocking rate
membrane
improving agent
permebale
Prior art date
Application number
PCT/JP2008/062988
Other languages
English (en)
French (fr)
Inventor
Kunihiro Hayakawa
Takahiro Kawakatsu
Original Assignee
Kurita Water Industries Ltd.
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 Kurita Water Industries Ltd. filed Critical Kurita Water Industries Ltd.
Priority to BRPI0814287-4A2A priority Critical patent/BRPI0814287A2/pt
Priority to US12/452,607 priority patent/US20100136238A1/en
Priority to CN200880025317A priority patent/CN101754795A/zh
Priority to EP08778280A priority patent/EP2172257A4/en
Publication of WO2009011415A1 publication Critical patent/WO2009011415A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/162—Use of acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/164—Use of bases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/04—Non-contaminated water, e.g. for industrial water supply for obtaining ultra-pure water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

　透過膜の透過流束低下を小さくして阻止率、特に有機物に対する阻止率を向上させることができ、これにより有機物除去効果が高く、安定処理を可能にする透過膜の阻止率向上方法、透過膜、透過膜処理方法、ならびに透過膜装置であって、炭素数８以上の疎水基を有しない親水性の高分子からなる阻止率向上剤１５を透過膜モジュール１の１次側３へ供給し、阻止率向上剤を透過膜２に付着させて透過膜２の阻止率向上剤処理を行った後、炭素数８以上の疎水性基を有する水溶性の高分子からなる修飾剤１６を供給し、阻止率向上剤処理を行った透過膜に付着させて修飾を行い、さらに阻止率を向上させる。
PCT/JP2008/062988 2007-07-19 2008-07-18 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置 WO2009011415A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRPI0814287-4A2A BRPI0814287A2 (pt) 2007-07-19 2008-07-18 Método para melhorar a taxa de obstrução de membrana permeável, membrana permeável de taxa de obstrução melhorada, e método e instrumento para o tratamento de membrana permeável.
US12/452,607 US20100136238A1 (en) 2007-07-19 2008-07-18 Method of enhancing rejection of permeation membrane, rejection-enhanced membrane, method and apparatus for treatment by permeation membrane
CN200880025317A CN101754795A (zh) 2007-07-19 2008-07-18 可透膜的截留率提高方法、提高截留率的可透膜、可透膜处理方法以及装置
EP08778280A EP2172257A4 (en) 2007-07-19 2008-07-18 METHOD FOR INCREASING THE BLOCKING RATE OF A PERMANENT MEMBRANE, PERMEABLE MEMBRANE WITH INCREASED BLOCKING RATE, AND METHOD AND DEVICE FOR TREATING A PERMANENT MEMBRANE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007188773A JP2009022886A (ja) 2007-07-19 2007-07-19 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置
JP2007-188773 2007-07-19

Publications (1)

Publication Number Publication Date
WO2009011415A1 true WO2009011415A1 (ja) 2009-01-22

Family

ID=40259741

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062988 WO2009011415A1 (ja) 2007-07-19 2008-07-18 透過膜の阻止率向上方法、阻止率向上透過膜、透過膜処理方法および装置

Country Status (6)

Country Link
US (1) US20100136238A1 (ja)
EP (1) EP2172257A4 (ja)
JP (1) JP2009022886A (ja)
CN (1) CN101754795A (ja)
BR (1) BRPI0814287A2 (ja)
WO (1) WO2009011415A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120168370A1 (en) * 2009-09-29 2012-07-05 Kurita Water Industries Ltd. Method of improving rejection of permeable membrane and permeable membrane
CN104884152A (zh) * 2012-12-28 2015-09-02 栗田工业株式会社 逆渗透膜的阻止率提高方法、阻止率提高处理剂及逆渗透膜

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130087502A1 (en) * 2011-10-06 2013-04-11 Conocophillips Company Water impurity removal methods and systems
JP6141610B2 (ja) * 2012-09-07 2017-06-07 旭化成株式会社 水処理装置の運転方法、及び飲用水を製造する方法
JP2014094322A (ja) * 2012-11-07 2014-05-22 Sumitomo Precision Prod Co Ltd 多段階の有機廃水処理システム
JP6205301B2 (ja) * 2014-04-07 2017-09-27 株式会社神鋼環境ソリューション 水処理方法及び水処理設備
JP6235409B2 (ja) * 2014-05-13 2017-11-22 積水化学工業株式会社 浄水システム
SG11201705627SA (en) * 2015-01-09 2017-08-30 Toray Industries Method for improving inhibition performance of semipermeable membrane, semipermeable membrane, and semipermeable membrane water production device
CN106315939B (zh) * 2016-10-31 2019-09-27 无锡出新环保设备有限公司 一种电镀废水处理系统及其处理方法
WO2018208902A1 (en) * 2017-05-10 2018-11-15 Northwestern University Porous polyelectrolyte complex films and foams and related methods
CN113069929B (zh) * 2021-03-25 2022-11-18 南京师范大学 一种在膜滤过程中添加疏水改性调理剂缓解滤膜污染的工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153872A (en) * 1978-05-24 1979-12-04 Mitsubishi Rayon Co Ltd Hydrophilization of porous polypropylene membrane
JPS5924732A (ja) * 1982-08-02 1984-02-08 Mitsubishi Rayon Co Ltd 親水化多孔質膜およびその製造方法
JPH0347521A (ja) * 1989-07-12 1991-02-28 Toray Ind Inc 分離膜及びその使用方法
JP2001286741A (ja) * 2000-04-04 2001-10-16 Toray Ind Inc 逆浸透複合膜およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032149A (en) * 1989-10-10 1991-07-16 E. I. Du Pont De Nemours And Company Surfactant treatment of polyaramide gas separation membranes
JP3358341B2 (ja) * 1994-11-15 2002-12-16 宇部興産株式会社 親水化膜とその製造法
US6913694B2 (en) * 2001-11-06 2005-07-05 Saehan Industries Incorporation Selective membrane having a high fouling resistance
JP2003200026A (ja) * 2002-01-08 2003-07-15 Toray Ind Inc 複合半透膜およびその製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153872A (en) * 1978-05-24 1979-12-04 Mitsubishi Rayon Co Ltd Hydrophilization of porous polypropylene membrane
JPS5924732A (ja) * 1982-08-02 1984-02-08 Mitsubishi Rayon Co Ltd 親水化多孔質膜およびその製造方法
JPH0347521A (ja) * 1989-07-12 1991-02-28 Toray Ind Inc 分離膜及びその使用方法
JP2001286741A (ja) * 2000-04-04 2001-10-16 Toray Ind Inc 逆浸透複合膜およびその製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120168370A1 (en) * 2009-09-29 2012-07-05 Kurita Water Industries Ltd. Method of improving rejection of permeable membrane and permeable membrane
CN104884152A (zh) * 2012-12-28 2015-09-02 栗田工业株式会社 逆渗透膜的阻止率提高方法、阻止率提高处理剂及逆渗透膜

Also Published As

Publication number Publication date
JP2009022886A (ja) 2009-02-05
CN101754795A (zh) 2010-06-23
EP2172257A4 (en) 2011-11-23
US20100136238A1 (en) 2010-06-03
EP2172257A1 (en) 2010-04-07
BRPI0814287A2 (pt) 2015-02-03

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