AU2022282948A1 - Separation membrane and method for producing same - Google Patents

Separation membrane and method for producing same Download PDF

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Publication number
AU2022282948A1
AU2022282948A1 AU2022282948A AU2022282948A AU2022282948A1 AU 2022282948 A1 AU2022282948 A1 AU 2022282948A1 AU 2022282948 A AU2022282948 A AU 2022282948A AU 2022282948 A AU2022282948 A AU 2022282948A AU 2022282948 A1 AU2022282948 A1 AU 2022282948A1
Authority
AU
Australia
Prior art keywords
resin layer
separation membrane
porous resin
value
pores
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.)
Pending
Application number
AU2022282948A
Other languages
English (en)
Inventor
Satoshi Kato
Yoshiki Nishiguchi
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of AU2022282948A1 publication Critical patent/AU2022282948A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • 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
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/216—Surfactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/025—Finger pores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02833—Pore size more than 10 and up to 100 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/0283—Pore size
    • B01D2325/02834—Pore size more than 0.1 and up to 1 µm
    • 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
    • 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
    • C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • 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
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/20—Prevention of biofouling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU2022282948A 2021-05-27 2022-04-26 Separation membrane and method for producing same Pending AU2022282948A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021089042 2021-05-27
JP2021-089042 2021-05-27
PCT/JP2022/018864 WO2022249839A1 (ja) 2021-05-27 2022-04-26 分離膜及びその製造方法

Publications (1)

Publication Number Publication Date
AU2022282948A1 true AU2022282948A1 (en) 2023-11-09

Family

ID=84228767

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2022282948A Pending AU2022282948A1 (en) 2021-05-27 2022-04-26 Separation membrane and method for producing same

Country Status (5)

Country Link
EP (1) EP4349461A4 (https=)
JP (1) JPWO2022249839A1 (https=)
CN (1) CN117425522A (https=)
AU (1) AU2022282948A1 (https=)
WO (1) WO2022249839A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116808851B (zh) * 2023-03-08 2024-11-08 杭州师范大学 一种基于体积排斥效应的聚偏氟乙烯阶层式多孔薄膜及其制备方法和应用
WO2025183194A1 (ja) * 2024-02-29 2025-09-04 東レ株式会社 分離膜及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5656202A (en) * 1979-10-15 1981-05-18 Asahi Chem Ind Co Ltd Hollow porous membrane yarn made of polyvinylidene fluoride type resin
AU723265B2 (en) * 1996-01-22 2000-08-24 Usf Filtration And Separations Group Inc. Highly porous polyvinylidene difluoride membranes
JPH10316793A (ja) * 1997-05-19 1998-12-02 Asahi Chem Ind Co Ltd フッ化ビニリデン系樹脂製多孔質膜
JP5127107B2 (ja) * 2001-02-16 2013-01-23 東レ株式会社 分離膜の製造方法
US20080214687A1 (en) * 2005-06-20 2008-09-04 Heinz-Joachim Muller Cross Linking Treatment of Polymer Membranes
JP4784522B2 (ja) * 2006-03-24 2011-10-05 東レ株式会社 ポリフッ化ビニリデン系多孔質分離膜
CN101426566B (zh) * 2006-04-19 2012-04-25 旭化成化学株式会社 高耐久性pvdf多孔膜及其制造方法、以及使用该多孔膜的洗涤方法和过滤方法
AU2012294783B2 (en) * 2011-08-05 2017-08-10 Arkema Inc. Polymer blend membranes
JP7409072B2 (ja) * 2018-12-26 2024-01-09 東レ株式会社 多孔質膜、複合膜及び多孔質膜の製造方法

Also Published As

Publication number Publication date
WO2022249839A1 (ja) 2022-12-01
JPWO2022249839A1 (https=) 2022-12-01
EP4349461A4 (en) 2025-05-28
EP4349461A1 (en) 2024-04-10
CN117425522A (zh) 2024-01-19

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