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WO2018138486A8 - Membrane - Google Patents

Membrane Download PDF

Info

Publication number
WO2018138486A8
WO2018138486A8 PCT/GB2018/050189 GB2018050189W WO2018138486A8 WO 2018138486 A8 WO2018138486 A8 WO 2018138486A8 GB 2018050189 W GB2018050189 W GB 2018050189W WO 2018138486 A8 WO2018138486 A8 WO 2018138486A8
Authority
WO
WIPO (PCT)
Prior art keywords
membrane
polyamide layer
support
goqd
acomposite
Prior art date
Application number
PCT/GB2018/050189
Other languages
French (fr)
Other versions
WO2018138486A1 (en
Inventor
Tim Harper
Miao Yu
Original Assignee
G2O Water Technologies Limited
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 G2O Water Technologies Limited filed Critical G2O Water Technologies Limited
Publication of WO2018138486A1 publication Critical patent/WO2018138486A1/en
Publication of WO2018138486A8 publication Critical patent/WO2018138486A8/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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/106—Membranes in the pores of a support, e.g. polymerized in the pores or voids
    • 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
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/14—Dynamic membranes
    • B01D69/141—Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes
    • B01D69/148—Organic/inorganic mixed matrix membranes
    • 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
    • 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)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

There is described acomposite membrane. The composite membrane is formed of a porous support and a polyamide layer on the support. The polyamide layer comprises graphene oxide quantum dot (GOQD) moieties. The membranes are especially useful for the desalination or salt water.
PCT/GB2018/050189 2017-01-27 2018-01-23 Membrane WO2018138486A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1701406.9 2017-01-27
GBGB1701406.9A GB201701406D0 (en) 2017-01-27 2017-01-27 Membrane

Publications (2)

Publication Number Publication Date
WO2018138486A1 WO2018138486A1 (en) 2018-08-02
WO2018138486A8 true WO2018138486A8 (en) 2018-09-27

Family

ID=58462657

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2018/050189 WO2018138486A1 (en) 2017-01-27 2018-01-23 Membrane

Country Status (2)

Country Link
GB (1) GB201701406D0 (en)
WO (1) WO2018138486A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453679A (en) * 2018-10-30 2019-03-12 江苏理工学院 A kind of preparation method of nitrating graphene oxide titanium dioxide composite hyperfiltration membrane
CN111298657A (en) * 2020-02-28 2020-06-19 上海丰信环保科技有限公司 Hyperbranched non-phosphorus scale inhibitor and preparation method thereof

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10953371B2 (en) * 2017-01-25 2021-03-23 University Of South Carolina Thin film composites having graphene oxide quantum dots
EP3810312A4 (en) 2018-06-25 2022-04-13 2599218 Ontario Inc. GRAPHENE MEMBRANES AND METHODS OF MAKING GRAPHENE MEMBRANES
CN109821427B (en) * 2019-03-22 2021-06-08 江南大学 Preparation method of chlorine-resistant aromatic polyamide composite nanofiltration membrane
WO2020248048A1 (en) 2019-06-13 2020-12-17 2599218 Ontario Inc. Apparatuses, methods, and systems for fabricating graphene membranes
CN111420563B (en) * 2020-02-29 2023-09-26 中国海洋大学 Hybrid composite reverse osmosis/nanofiltration membrane, preparation method and application thereof
US11332374B2 (en) 2020-03-06 2022-05-17 2599218 Ontario Inc. Graphene membrane and method for making graphene membrane
KR20230005196A (en) * 2020-04-02 2023-01-09 난양 테크놀러지컬 유니버시티 Composite Membranes and Methods of Making the Same
CN112604510B (en) * 2020-12-31 2022-07-15 福州大学 Graphene oxide-carbon quantum dot composite hydrophilic oleophobic membrane
CN115779702B (en) * 2022-11-15 2024-09-13 合肥工业大学 Preparation method and application of sulfonated graphene quantum dot functionalized two-dimensional layered membrane

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105771696B (en) * 2016-04-29 2018-07-17 中国海洋大学 Graphene oxide quantum dot functional ball nano-particle, the polyamide reverse osmose membrane/NF membrane and preparation method being modified

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109453679A (en) * 2018-10-30 2019-03-12 江苏理工学院 A kind of preparation method of nitrating graphene oxide titanium dioxide composite hyperfiltration membrane
CN111298657A (en) * 2020-02-28 2020-06-19 上海丰信环保科技有限公司 Hyperbranched non-phosphorus scale inhibitor and preparation method thereof

Also Published As

Publication number Publication date
WO2018138486A1 (en) 2018-08-02
GB201701406D0 (en) 2017-03-15

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