JPWO2022249839A1 - - Google Patents

Info

Publication number
JPWO2022249839A1
JPWO2022249839A1 JP2022525225A JP2022525225A JPWO2022249839A1 JP WO2022249839 A1 JPWO2022249839 A1 JP WO2022249839A1 JP 2022525225 A JP2022525225 A JP 2022525225A JP 2022525225 A JP2022525225 A JP 2022525225A JP WO2022249839 A1 JPWO2022249839 A1 JP WO2022249839A1
Authority
JP
Japan
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
JP2022525225A
Other languages
Japanese (ja)
Other versions
JPWO2022249839A5 (https=
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 filed Critical
Publication of JPWO2022249839A1 publication Critical patent/JPWO2022249839A1/ja
Publication of JPWO2022249839A5 publication Critical patent/JPWO2022249839A5/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0009Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011Casting solutions therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/30Polyalkenyl halides
    • B01D71/32Polyalkenyl halides containing fluorine atoms
    • B01D71/34Polyvinylidene fluoride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/15Use of additives
    • B01D2323/216Surfactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/219Specific solvent system
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/025Finger pores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/02833Pore size more than 10 and up to 100 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/02Details relating to pores or porosity of the membranes
    • B01D2325/0283Pore size
    • B01D2325/02834Pore size more than 0.1 and up to 1 µm
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/442Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/20Prevention 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)
JP2022525225A 2021-05-27 2022-04-26 Pending JPWO2022249839A1 (https=)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021089042 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 (2)

Publication Number Publication Date
JPWO2022249839A1 true JPWO2022249839A1 (https=) 2022-12-01
JPWO2022249839A5 JPWO2022249839A5 (https=) 2025-02-21

Family

ID=84228767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022525225A Pending JPWO2022249839A1 (https=) 2021-05-27 2022-04-26

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

Citations (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
WO1997026134A1 (en) * 1996-01-22 1997-07-24 Memtec America Corporation 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
WO2007119850A1 (ja) * 2006-04-19 2007-10-25 Asahi Kasei Chemicals Corporation 高耐久性pvdf多孔質膜及びその製造方法、並びに、これを用いた洗浄方法及び濾過方法
JP2007283287A (ja) * 2006-03-24 2007-11-01 Toray Ind Inc ポリフッ化ビニリデン系多孔質分離膜
JP2008543546A (ja) * 2005-06-20 2008-12-04 シーメンス・ウォーター・テクノロジーズ・コーポレーション ポリマー膜の架橋処理
JP2010221218A (ja) * 2001-02-16 2010-10-07 Toray Ind Inc 分離膜の製造方法および分離膜
WO2013022660A1 (en) * 2011-08-05 2013-02-14 Arkema Inc. Polymer blend membranes
JP2020104104A (ja) * 2018-12-26 2020-07-09 東レ株式会社 多孔質膜、複合膜及び多孔質膜の製造方法

Patent Citations (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
WO1997026134A1 (en) * 1996-01-22 1997-07-24 Memtec America Corporation 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
JP2010221218A (ja) * 2001-02-16 2010-10-07 Toray Ind Inc 分離膜の製造方法および分離膜
JP2008543546A (ja) * 2005-06-20 2008-12-04 シーメンス・ウォーター・テクノロジーズ・コーポレーション ポリマー膜の架橋処理
JP2007283287A (ja) * 2006-03-24 2007-11-01 Toray Ind Inc ポリフッ化ビニリデン系多孔質分離膜
WO2007119850A1 (ja) * 2006-04-19 2007-10-25 Asahi Kasei Chemicals Corporation 高耐久性pvdf多孔質膜及びその製造方法、並びに、これを用いた洗浄方法及び濾過方法
WO2013022660A1 (en) * 2011-08-05 2013-02-14 Arkema Inc. Polymer blend membranes
JP2020104104A (ja) * 2018-12-26 2020-07-09 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
EP4349461A4 (en) 2025-05-28
AU2022282948A1 (en) 2023-11-09
EP4349461A1 (en) 2024-04-10
CN117425522A (zh) 2024-01-19

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