WO2009044655A1 - 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法 - Google Patents

逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法 Download PDF

Info

Publication number
WO2009044655A1
WO2009044655A1 PCT/JP2008/067179 JP2008067179W WO2009044655A1 WO 2009044655 A1 WO2009044655 A1 WO 2009044655A1 JP 2008067179 W JP2008067179 W JP 2008067179W WO 2009044655 A1 WO2009044655 A1 WO 2009044655A1
Authority
WO
WIPO (PCT)
Prior art keywords
reverse osmosis
osmosis membrane
hydrophilizing
polyvinyl alcohol
adhered
Prior art date
Application number
PCT/JP2008/067179
Other languages
English (en)
French (fr)
Inventor
Yu Tanaka
Masanobu Osawa
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
Priority claimed from JP2007294540A external-priority patent/JP5568835B2/ja
Application filed by Kurita Water Industries Ltd. filed Critical Kurita Water Industries Ltd.
Priority to US12/733,832 priority Critical patent/US8443986B2/en
Priority to CN200880109817A priority patent/CN101820983A/zh
Publication of WO2009044655A1 publication Critical patent/WO2009044655A1/ja

Links

Classifications

    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • 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
    • 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
    • B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/02—Hydrophilization
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/36—Introduction of specific chemical groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/38—Graft polymerization

Abstract

　透過性能をより長期にわたって維持することができる逆浸透膜と、逆浸透膜装置と、逆浸透膜の親水化処理方法。ポリビニルアルコールを付着させた逆浸透膜において、該ポリビニルアルコールがイオン性ポリビニルアルコールであることを特徴とする逆浸透膜。好ましくは、逆浸透膜にカチオン性ＰＶＡを付着させた後、アニオン性ＰＶＡを付着させる。さらに好ましくは、前記逆浸透膜にさらにＰＶＡ以外のイオン性高分子を付着させる。この逆浸透膜を備えた逆浸透膜装置。逆浸透膜にイオン性ポリビニルアルコールを接触させることを特徴とする逆浸透膜の親水化処理方法。
PCT/JP2008/067179 2007-10-01 2008-09-24 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法 WO2009044655A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/733,832 US8443986B2 (en) 2007-10-01 2008-09-24 Reverse osmosis membrane and reverse osmosis membrane apparatus
CN200880109817A CN101820983A (zh) 2007-10-01 2008-09-24 反渗透膜、反渗透膜装置及反渗透膜的亲水化处理方法

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-257624 2007-10-01
JP2007257624 2007-10-01
JP2007294540A JP5568835B2 (ja) 2007-10-01 2007-11-13 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法
JP2007-294540 2007-11-13

Publications (1)

Publication Number Publication Date
WO2009044655A1 true WO2009044655A1 (ja) 2009-04-09

Family

ID=40526083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/067179 WO2009044655A1 (ja) 2007-10-01 2008-09-24 逆浸透膜、逆浸透膜装置及び逆浸透膜の親水化処理方法

Country Status (1)

Country Link
WO (1) WO2009044655A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10376848B2 (en) * 2013-01-28 2019-08-13 Nof Corporation Fouling inhibitor, filtration membrane and method for producing same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781806A (en) * 1980-09-16 1982-05-22 Aligena Ag Semipermeable composite membrane containing denatured polyvinyl alcohol, its manufacture and its use
JPS62197105A (ja) * 1986-02-26 1987-08-31 Toray Ind Inc 複合逆浸透膜
JPH01171605A (ja) * 1987-12-25 1989-07-06 Kanzaki Paper Mfg Co Ltd 分離膜
JPH0278426A (ja) * 1988-09-14 1990-03-19 Tsusho Sangiyoushiyou Kiso Sangiyoukiyokuchiyou 複合膜の製造方法
JPH04176330A (ja) * 1990-11-09 1992-06-24 Kuraray Co Ltd 荷電型分離膜の製造方法
JPH0810593A (ja) * 1994-07-05 1996-01-16 Mitsubishi Rayon Co Ltd 陰性荷電を有する多孔質膜、その製造方法及び多孔質膜の改質剤
JPH11319524A (ja) * 1998-05-21 1999-11-24 Kuraray Co Ltd 複合逆浸透膜
JP2006110520A (ja) * 2004-10-18 2006-04-27 Kurita Water Ind Ltd 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781806A (en) * 1980-09-16 1982-05-22 Aligena Ag Semipermeable composite membrane containing denatured polyvinyl alcohol, its manufacture and its use
JPS62197105A (ja) * 1986-02-26 1987-08-31 Toray Ind Inc 複合逆浸透膜
JPH01171605A (ja) * 1987-12-25 1989-07-06 Kanzaki Paper Mfg Co Ltd 分離膜
JPH0278426A (ja) * 1988-09-14 1990-03-19 Tsusho Sangiyoushiyou Kiso Sangiyoukiyokuchiyou 複合膜の製造方法
JPH04176330A (ja) * 1990-11-09 1992-06-24 Kuraray Co Ltd 荷電型分離膜の製造方法
JPH0810593A (ja) * 1994-07-05 1996-01-16 Mitsubishi Rayon Co Ltd 陰性荷電を有する多孔質膜、その製造方法及び多孔質膜の改質剤
JPH11319524A (ja) * 1998-05-21 1999-11-24 Kuraray Co Ltd 複合逆浸透膜
JP2006110520A (ja) * 2004-10-18 2006-04-27 Kurita Water Ind Ltd 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10376848B2 (en) * 2013-01-28 2019-08-13 Nof Corporation Fouling inhibitor, filtration membrane and method for producing same

Similar Documents

Publication Publication Date Title
WO2007133761A3 (en) Membrane-based apparatus and associated method
WO2010006196A8 (en) Water purification membranes with improved fouling resistance
MX340894B (es) Membrana porosa, proceso para producir una membrana porosa, metodo para producir liquido aclarado y modulo de membrana porosa.
WO2010002502A3 (en) Method of forming a rewettable asymmetric membrane
WO2010008671A3 (en) Automatic conversation techniques
ZA201007500B (en) Improved method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures
WO2009020157A1 (ja) 膜分離方法及び膜分離装置
SG160281A1 (en) Composite membrane for the separation of water and method for its manufacture
WO2008057842A3 (en) Micro-and nanocomposite support structures for reverse osmosis thin film membranes
WO2012058154A3 (en) Porous polymer membrances, methods of making, and methods of use
CL2012000491A1 (es) Membrana de intercambio iónico para electrodiálisis que comprende un soporte de membrana microporoso, una estructura porosa continua con tamaño de poro de 0,05-10 micras y un polímero de transferencia de iones reticulado que llena la estructura y comprende el producto de polimerización de monómero ionógeno, monómero neutro y monómero de reticulación multifuncional.
WO2008099140A3 (en) Scaffold with increased pore size
WO2010045430A3 (en) Dual-layer hollow fibers with enhanced flux as forward osmosis membranes for water reuses and protein enrichment
WO2009149309A8 (en) Microbial fuel cell and method of use
EP2360981A3 (en) Mobile communication terminal and recording medium
WO2010056607A3 (en) Systems and methods for providing presence information in communication
IL214395A (en) Nano-membrane produced using polymeric proteoliposomes and process for preparation
SG137782A1 (en) Membrane surface modification by radiation-induced polymerization
WO2011085186A3 (en) Anionic exchange electrolyte polymer membranes
WO2008090774A1 (ja) 高分子電解質膜及びその製法、並びに膜－電極接合体及び固体高分子型燃料電池
WO2010038242A3 (en) Hydrophilic silicone monomers, process for their preparation and thin films containing the same
WO2005102503A8 (en) Pervaporation composite membranes
WO2010030357A3 (en) Ethanol stable epoxy amine based membrane for aromatics separation
WO2009134601A3 (en) Method of selecting a communication system for operating with a communication device in an idle mode, and communication device
EA201992631A1 (ru) Способ получения напитков путем удаления кислоты

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880109817.5

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08835891

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20107005519

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 12733832

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08835891

Country of ref document: EP

Kind code of ref document: A1