SG10201912504UA - A method of forming forward osmosis membranes and the forward osmosis membranes thus formed - Google Patents

A method of forming forward osmosis membranes and the forward osmosis membranes thus formed

Info

Publication number
SG10201912504UA
SG10201912504UA SG10201912504UA SG10201912504UA SG10201912504UA SG 10201912504U A SG10201912504U A SG 10201912504UA SG 10201912504U A SG10201912504U A SG 10201912504UA SG 10201912504U A SG10201912504U A SG 10201912504UA SG 10201912504U A SG10201912504U A SG 10201912504UA
Authority
SG
Singapore
Prior art keywords
forward osmosis
osmosis membranes
forming
membranes
forming forward
Prior art date
Application number
SG10201912504UA
Inventor
Chuyang Tang
Changquan Qiu
Saren Qi
Original Assignee
Univ Nanyang Tech
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 Univ Nanyang Tech filed Critical Univ Nanyang Tech
Publication of SG10201912504UA publication Critical patent/SG10201912504UA/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
    • B01D69/12—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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • 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
    • 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
    • B01D61/0021—Forward osmosis or direct osmosis comprising multiple forward osmosis steps
    • 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
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • 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
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/82—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74 characterised by the presence of specified groups, e.g. introduced by chemical after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/025—Finger pores
    • 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
SG10201912504UA 2011-10-27 2012-10-29 A method of forming forward osmosis membranes and the forward osmosis membranes thus formed SG10201912504UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161552215P 2011-10-27 2011-10-27
US201161552178P 2011-10-27 2011-10-27

Publications (1)

Publication Number Publication Date
SG10201912504UA true SG10201912504UA (en) 2020-02-27

Family

ID=48168178

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201912504UA SG10201912504UA (en) 2011-10-27 2012-10-29 A method of forming forward osmosis membranes and the forward osmosis membranes thus formed
SG11201401768WA SG11201401768WA (en) 2011-10-27 2012-10-29 A method of forming forward osmosis membranes and the forward osmosis membranes thus formed

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201401768WA SG11201401768WA (en) 2011-10-27 2012-10-29 A method of forming forward osmosis membranes and the forward osmosis membranes thus formed

Country Status (3)

Country Link
US (1) US20140319049A1 (en)
SG (2) SG10201912504UA (en)
WO (1) WO2013062490A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9403128B2 (en) * 2009-12-03 2016-08-02 Lawrence Livermore National Security, Llc Nanoengineered field induced charge separation membranes manufacture thereof
MX2013005706A (en) * 2010-12-13 2013-07-05 Syngenta Participations Ag Cry1i proteins and genes for insect control.
KR101936924B1 (en) * 2012-12-06 2019-01-09 삼성전자주식회사 Separation membrane, and water treatment device using said separation membrane
KR101939328B1 (en) * 2012-12-21 2019-01-16 주식회사 엘지화학 Hollow Fiber Membrane Having Novel Structure and Method of Preparing the Same
US20160152491A1 (en) * 2014-12-01 2016-06-02 The Board Of Trustees Of The University Of Illinois System and method for dewatering slurries
KR102002367B1 (en) * 2016-10-20 2019-07-23 주식회사 엘지화학 Composition for preparing protection layer, method for preparing reverse osmosis membrane using the same, and reverse osmosis membrane and water treatment module
EP3585934A1 (en) 2017-03-28 2020-01-01 The Texas A&M University System Coatings for materials
CN109603577B (en) * 2018-12-25 2021-03-19 大连海事大学 Method for preparing forward osmosis membrane with reserved draw solute and double active layers

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL63638A0 (en) * 1980-09-16 1981-11-30 Aligena Ag Semipermeable composite membranes,their manufacture and their use
WO1997034686A1 (en) * 1996-03-18 1997-09-25 Nitto Denko Corporation Composite reverse osmosis membrane and method of reverse osmotic treatment of water using the same
US6090441A (en) * 1998-03-18 2000-07-18 Cuno, Inc. Process of making reinforced, three zone microporous membrane
US6783937B1 (en) * 1999-02-25 2004-08-31 Pall Corporation Negatively charged membrane
US7048855B2 (en) * 2000-12-22 2006-05-23 Ge Osmonics, Inc. Cross flow filtration materials and cartridges
JP5151063B2 (en) * 2006-04-19 2013-02-27 トヨタ自動車株式会社 Porous material for electrolyte membrane for fuel cell, production method thereof, electrolyte membrane for polymer electrolyte fuel cell, membrane-electrode assembly (MEA), and fuel cell
EP2144695A4 (en) * 2007-01-24 2011-06-08 Whatman Inc Modified porous membranes, methods of membrane pore modification, and methods of use thereof
US7867592B2 (en) * 2007-01-30 2011-01-11 Eksigent Technologies, Inc. Methods, compositions and devices, including electroosmotic pumps, comprising coated porous surfaces
ITMI20071114A1 (en) * 2007-05-31 2008-12-01 St Microelectronics Srl POLYELECTROLYTIC MEMBRANE FOR ELECTROCHEMICAL APPLICATIONS, IN PARTICULAR FOR FUEL CELLS.
US8632681B2 (en) * 2008-08-21 2014-01-21 Grundfos Management A/S Forward osmosis device

Also Published As

Publication number Publication date
US20140319049A1 (en) 2014-10-30
SG11201401768WA (en) 2014-05-29
WO2013062490A1 (en) 2013-05-02

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