SG11202004271XA - A thin film composite hollow fibre membrane - Google Patents

A thin film composite hollow fibre membrane

Info

Publication number
SG11202004271XA
SG11202004271XA SG11202004271XA SG11202004271XA SG11202004271XA SG 11202004271X A SG11202004271X A SG 11202004271XA SG 11202004271X A SG11202004271X A SG 11202004271XA SG 11202004271X A SG11202004271X A SG 11202004271XA SG 11202004271X A SG11202004271X A SG 11202004271XA
Authority
SG
Singapore
Prior art keywords
thin film
fibre membrane
film composite
hollow fibre
composite hollow
Prior art date
Application number
SG11202004271XA
Inventor
Chunfeng Wan
Tianshi Yang
Wenxiao Gai
Tai-Shung Neal Chung
Original Assignee
Nat Univ Singapore
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 Nat Univ Singapore filed Critical Nat Univ Singapore
Publication of SG11202004271XA publication Critical patent/SG11202004271XA/en

Links

Classifications

    • 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
    • B01D69/08—Hollow fibre membranes
    • 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
    • B01D69/08—Hollow fibre membranes
    • B01D69/085—Details relating to the spinneret
    • 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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • 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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
    • B01D71/68—Polysulfones; Polyethersulfones
    • 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
    • B01D2323/15—Use of additives
    • B01D2323/217—Emulgator or emulsion/foam forming agents
    • 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
    • B01D2323/2181—Inorganic additives
    • B01D2323/21817—Salts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/42—Details of membrane preparation apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/04—Characteristic thickness
    • 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
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/24—Mechanical properties, e.g. strength
    • 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
    • B01D61/002—Forward osmosis or direct osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
SG11202004271XA 2017-11-30 2018-11-30 A thin film composite hollow fibre membrane SG11202004271XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201709922X 2017-11-30
PCT/SG2018/050586 WO2019108136A1 (en) 2017-11-30 2018-11-30 A thin film composite hollow fibre membrane

Publications (1)

Publication Number Publication Date
SG11202004271XA true SG11202004271XA (en) 2020-06-29

Family

ID=66665158

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202004271XA SG11202004271XA (en) 2017-11-30 2018-11-30 A thin film composite hollow fibre membrane

Country Status (4)

Country Link
US (1) US11465100B2 (en)
CN (1) CN111405939A (en)
SG (1) SG11202004271XA (en)
WO (1) WO2019108136A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111921391A (en) * 2020-08-06 2020-11-13 东华理工大学 Method for preparing nanofiltration membrane based on thermal induction of inorganic salt crystal growth
US20240091714A1 (en) * 2021-02-02 2024-03-21 Gradiant Corporation Strong Hollow-Fiber Membranes for Saline Desalination and Water Treatment
CN114534521B (en) * 2022-03-23 2023-03-31 烟台大学 Cross-linked polyether-ether-ketone hollow fiber composite nanofiltration membrane and preparation method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101892108B1 (en) * 2010-09-30 2018-08-27 포리페라 인코포레이티드 Thin film composite membranes for forward osmosis, and their preparation methods
US20140008292A1 (en) * 2010-11-29 2014-01-09 Nanyang Technological University Forward osmosis hollow fiber membrane
US20140008291A1 (en) * 2011-01-25 2014-01-09 Nanyang Technological University Forward osmosis membrane and method of forming a forward osmosis membrane
CN202638295U (en) * 2012-06-29 2013-01-02 北京碧水源膜科技有限公司 External support reinforced hollow fiber nanofiltration membrane
SG11201509816QA (en) * 2013-06-19 2015-12-30 Univ Singapore Thin film composite hollow fibers for osmotic power generation
WO2016027869A1 (en) * 2014-08-21 2016-02-25 旭化成株式会社 Composite hollow fiber membrane module and manufacturing method therefor
KR101729183B1 (en) * 2015-11-16 2017-05-11 한국에너지기술연구원 Thin-film composite membrane for pressure-retarded osmosis
WO2017099671A1 (en) * 2015-12-11 2017-06-15 National University Of Singapore A thin film composite hollow fibre membrane
WO2017146457A2 (en) * 2016-02-26 2017-08-31 한양대학교 산학협력단 Ultrathin-film composite membrane based on thermally rearranged poly(benzoxazole-imide) copolymer, and production method therefor
CN105797601A (en) * 2016-03-25 2016-07-27 北京碧水源膜科技有限公司 Reinforced hollow fiber composite membrane and preparation method thereof

Also Published As

Publication number Publication date
CN111405939A (en) 2020-07-10
US20200298185A1 (en) 2020-09-24
US11465100B2 (en) 2022-10-11
WO2019108136A1 (en) 2019-06-06

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