JP7762318B2 - 複合半透膜、及びスパイラル型膜エレメント - Google Patents

複合半透膜、及びスパイラル型膜エレメント

Info

Publication number
JP7762318B2
JP7762318B2 JP2024562572A JP2024562572A JP7762318B2 JP 7762318 B2 JP7762318 B2 JP 7762318B2 JP 2024562572 A JP2024562572 A JP 2024562572A JP 2024562572 A JP2024562572 A JP 2024562572A JP 7762318 B2 JP7762318 B2 JP 7762318B2
Authority
JP
Japan
Prior art keywords
composite semipermeable
membrane
semipermeable membrane
surface roughness
water
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.)
Active
Application number
JP2024562572A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024122107A5 (https=
JPWO2024122107A1 (https=
Inventor
倫次 宮部
阿槻 平原
泰輔 山口
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of JPWO2024122107A1 publication Critical patent/JPWO2024122107A1/ja
Publication of JPWO2024122107A5 publication Critical patent/JPWO2024122107A5/ja
Application granted granted Critical
Publication of JP7762318B2 publication Critical patent/JP7762318B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • B01D67/0006—Organic membrane manufacture by chemical reactions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • 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
    • 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
    • B01D2323/218—Additive materials
    • B01D2323/2182—Organic additives
    • B01D2323/21825—Ketones
    • 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
    • B01D2323/218—Additive materials
    • B01D2323/2182—Organic additives
    • B01D2323/21833—Esters
    • 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
    • B01D2323/218—Additive materials
    • B01D2323/2182—Organic additives
    • B01D2323/21834—Amines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/06—Surface irregularities
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/306—Pesticides
    • 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
    • C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
JP2024562572A 2022-12-08 2023-08-07 複合半透膜、及びスパイラル型膜エレメント Active JP7762318B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022196267 2022-12-08
JP2022196267 2022-12-08
PCT/JP2023/028734 WO2024122107A1 (ja) 2022-12-08 2023-08-07 複合半透膜、及びスパイラル型膜エレメント

Publications (3)

Publication Number Publication Date
JPWO2024122107A1 JPWO2024122107A1 (https=) 2024-06-13
JPWO2024122107A5 JPWO2024122107A5 (https=) 2025-06-30
JP7762318B2 true JP7762318B2 (ja) 2025-10-29

Family

ID=91379146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024562572A Active JP7762318B2 (ja) 2022-12-08 2023-08-07 複合半透膜、及びスパイラル型膜エレメント

Country Status (5)

Country Link
EP (1) EP4631607A4 (https=)
JP (1) JP7762318B2 (https=)
CN (1) CN120076861A (https=)
TW (1) TW202423528A (https=)
WO (1) WO2024122107A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026048469A1 (ja) * 2024-08-29 2026-03-05 日東電工株式会社 複合半透膜、及びスパイラル型膜エレメント
WO2026048470A1 (ja) * 2024-08-29 2026-03-05 日東電工株式会社 複合半透膜、及びスパイラル型膜エレメント

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017111140A1 (ja) 2015-12-25 2017-06-29 東レ株式会社 複合半透膜
CN109200836A (zh) 2017-07-01 2019-01-15 华中科技大学 一种聚酰胺复合膜、其制备方法和应用
JP2019042619A (ja) 2017-08-30 2019-03-22 東レ株式会社 複合半透膜
JP2019177342A (ja) 2018-03-30 2019-10-17 東レ株式会社 複合半透膜

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824303A (ja) 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
JPH01180208A (ja) 1988-01-11 1989-07-18 Toray Ind Inc 複合半透膜の製造方法およびその膜
JP3006976B2 (ja) 1993-06-24 2000-02-07 日東電工株式会社 高透過性複合逆浸透膜の製造方法
JP3023300B2 (ja) * 1994-12-22 2000-03-21 日東電工株式会社 高透過性複合逆浸透膜とその製造方法及び逆浸透処理方法
JP4176846B2 (ja) * 1996-01-24 2008-11-05 日東電工株式会社 高透過性複合逆浸透膜の製造方法
JPH10137563A (ja) * 1996-11-08 1998-05-26 Nitto Denko Corp 高透過性複合逆浸透膜

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017111140A1 (ja) 2015-12-25 2017-06-29 東レ株式会社 複合半透膜
CN109200836A (zh) 2017-07-01 2019-01-15 华中科技大学 一种聚酰胺复合膜、其制备方法和应用
JP2019042619A (ja) 2017-08-30 2019-03-22 東レ株式会社 複合半透膜
JP2019177342A (ja) 2018-03-30 2019-10-17 東レ株式会社 複合半透膜

Also Published As

Publication number Publication date
WO2024122107A1 (ja) 2024-06-13
EP4631607A4 (en) 2026-04-15
CN120076861A (zh) 2025-05-30
JPWO2024122107A1 (https=) 2024-06-13
EP4631607A1 (en) 2025-10-15
TW202423528A (zh) 2024-06-16

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