AU2023409485A1 - Processing method for polyamide-based semipermeable membrane, production method and processing apparatus for semipermeable membrane element, and fluid processing method and fluid processing apparatus each using semipermeable membrane element - Google Patents

Processing method for polyamide-based semipermeable membrane, production method and processing apparatus for semipermeable membrane element, and fluid processing method and fluid processing apparatus each using semipermeable membrane element Download PDF

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Publication number
AU2023409485A1
AU2023409485A1 AU2023409485A AU2023409485A AU2023409485A1 AU 2023409485 A1 AU2023409485 A1 AU 2023409485A1 AU 2023409485 A AU2023409485 A AU 2023409485A AU 2023409485 A AU2023409485 A AU 2023409485A AU 2023409485 A1 AU2023409485 A1 AU 2023409485A1
Authority
AU
Australia
Prior art keywords
membrane
polyfunctional
acid
semipermeable
treatment
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
AU2023409485A
Other languages
English (en)
Inventor
Shigehisa Hanada
Takeshi Konda
Takafumi Ogawa
Yoshiki Okamoto
Tomoki YOSHIMATSU
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 AU2023409485A1 publication Critical patent/AU2023409485A1/en
Pending legal-status Critical Current

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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
    • 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
    • B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
    • 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
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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
    • B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
    • B01D65/106—Repairing membrane apparatus or modules
    • B01D65/108—Repairing membranes
    • 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
    • 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
    • B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
    • 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
    • B01D69/1214—Chemically bonded layers, e.g. cross-linking
    • 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
    • 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
    • B01D2321/162—Use of acids
    • 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
    • B01D2321/164—Use of bases
    • 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
    • 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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AU2023409485A 2022-12-21 2023-12-20 Processing method for polyamide-based semipermeable membrane, production method and processing apparatus for semipermeable membrane element, and fluid processing method and fluid processing apparatus each using semipermeable membrane element Pending AU2023409485A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-204061 2022-12-21
JP2022204061 2022-12-21
PCT/JP2023/045637 WO2024135716A1 (ja) 2022-12-21 2023-12-20 ポリアミド系半透膜の処理方法、半透膜エレメントの製造方法および処理装置ならびに半透膜エレメントを用いた流体処理方法および流体処理装置

Publications (1)

Publication Number Publication Date
AU2023409485A1 true AU2023409485A1 (en) 2025-07-03

Family

ID=91588723

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2023409485A Pending AU2023409485A1 (en) 2022-12-21 2023-12-20 Processing method for polyamide-based semipermeable membrane, production method and processing apparatus for semipermeable membrane element, and fluid processing method and fluid processing apparatus each using semipermeable membrane element

Country Status (7)

Country Link
EP (1) EP4640306A1 (https=)
JP (1) JPWO2024135716A1 (https=)
KR (1) KR20250123119A (https=)
CN (1) CN120379750A (https=)
AU (1) AU2023409485A1 (https=)
TW (1) TW202440217A (https=)
WO (1) WO2024135716A1 (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MA21278A1 (fr) * 1988-04-13 1988-12-31 Du Pont Post traitement reactif pour membrane de separation de gaz.
JP5772083B2 (ja) 2011-03-09 2015-09-02 栗田工業株式会社 逆浸透膜の阻止率向上方法、阻止率向上処理剤及び逆浸透膜
JP2018187533A (ja) * 2017-04-28 2018-11-29 東レ株式会社 複合半透膜
JP2019111529A (ja) * 2017-12-21 2019-07-11 東レ株式会社 複合半透膜、複合半透膜エレメント及び複合半透膜エレメントの使用方法
CN111282439B (zh) * 2019-11-27 2021-06-11 泰州市野徐太丰防护用品厂 一种结构优化的抗污染聚酰胺复合膜

Also Published As

Publication number Publication date
KR20250123119A (ko) 2025-08-14
TW202440217A (zh) 2024-10-16
JPWO2024135716A1 (https=) 2024-06-27
CN120379750A (zh) 2025-07-25
EP4640306A1 (en) 2025-10-29
WO2024135716A1 (ja) 2024-06-27

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