AU2013247863B2 - Agent and method for improving blocking rate of reverse osmosis membrane, and reverse osmosis membrane - Google Patents

Agent and method for improving blocking rate of reverse osmosis membrane, and reverse osmosis membrane Download PDF

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Publication number
AU2013247863B2
AU2013247863B2 AU2013247863A AU2013247863A AU2013247863B2 AU 2013247863 B2 AU2013247863 B2 AU 2013247863B2 AU 2013247863 A AU2013247863 A AU 2013247863A AU 2013247863 A AU2013247863 A AU 2013247863A AU 2013247863 B2 AU2013247863 B2 AU 2013247863B2
Authority
AU
Australia
Prior art keywords
rejection
membrane
organic compound
reverse osmosis
aqueous solution
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.)
Ceased
Application number
AU2013247863A
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English (en)
Other versions
AU2013247863A1 (en
Inventor
Kunihiro Hayakawa
Takahiro Kawakatsu
Kenji Kowata
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.)
Kurita Water Industries Ltd
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
Publication of AU2013247863A1 publication Critical patent/AU2013247863A1/en
Application granted granted Critical
Publication of AU2013247863B2 publication Critical patent/AU2013247863B2/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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
    • 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
    • B01D2321/168—Use of other chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU2013247863A 2012-04-09 2013-04-01 Agent and method for improving blocking rate of reverse osmosis membrane, and reverse osmosis membrane Ceased AU2013247863B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012088478A JP5828294B2 (ja) 2012-04-09 2012-04-09 逆浸透膜の阻止率向上剤、阻止率向上方法、および逆浸透膜
JP2012-088478 2012-04-09
PCT/JP2013/059902 WO2013153982A1 (ja) 2012-04-09 2013-04-01 逆浸透膜の阻止率向上剤、阻止率向上方法、および逆浸透膜

Publications (2)

Publication Number Publication Date
AU2013247863A1 AU2013247863A1 (en) 2014-08-21
AU2013247863B2 true AU2013247863B2 (en) 2017-08-17

Family

ID=49327550

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2013247863A Ceased AU2013247863B2 (en) 2012-04-09 2013-04-01 Agent and method for improving blocking rate of reverse osmosis membrane, and reverse osmosis membrane

Country Status (6)

Country Link
JP (1) JP5828294B2 (zh)
CN (1) CN104245099A (zh)
AU (1) AU2013247863B2 (zh)
SG (1) SG11201404672UA (zh)
TW (1) TWI555571B (zh)
WO (1) WO2013153982A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5910696B1 (ja) * 2014-10-06 2016-04-27 栗田工業株式会社 逆浸透膜の洗浄剤、洗浄液、および洗浄方法
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
CN113413767B (zh) * 2021-05-13 2022-03-22 铜陵有色金属集团股份有限公司 旧膜修复方法
CN114259876B (zh) * 2021-12-28 2023-10-03 无锡凯欧膜分离设备有限公司 一种可自清洗的陶瓷膜过滤器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
WO2007018946A2 (en) * 2005-07-20 2007-02-15 North Pacific Research, Llc A method of treating reverse osmosis membranes for boron rejection enhancement
WO2012121209A1 (ja) * 2011-03-09 2012-09-13 栗田工業株式会社 透過膜の阻止率向上方法、阻止率向上処理剤及び透過膜

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59115704A (ja) * 1982-12-24 1984-07-04 Toray Ind Inc 半透膜の処理法
JP2001149759A (ja) * 1999-11-30 2001-06-05 Toray Ind Inc 逆浸透分離装置、それを用いた造水方法
JP4375744B2 (ja) * 2005-02-16 2009-12-02 オルガノ株式会社 分離膜の改質方法およびその方法により改質された分離膜
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886066A (en) * 1972-11-06 1975-05-27 Du Pont Tannin treatment for non-porous semipermeable membranes
WO2007018946A2 (en) * 2005-07-20 2007-02-15 North Pacific Research, Llc A method of treating reverse osmosis membranes for boron rejection enhancement
WO2012121209A1 (ja) * 2011-03-09 2012-09-13 栗田工業株式会社 透過膜の阻止率向上方法、阻止率向上処理剤及び透過膜

Also Published As

Publication number Publication date
WO2013153982A1 (ja) 2013-10-17
CN104245099A (zh) 2014-12-24
JP2013215678A (ja) 2013-10-24
SG11201404672UA (en) 2014-10-30
JP5828294B2 (ja) 2015-12-02
TWI555571B (zh) 2016-11-01
AU2013247863A1 (en) 2014-08-21
TW201404459A (zh) 2014-02-01

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FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired