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SG10201808247TA - A draw solute for a forward osmosis process - Google Patents

A draw solute for a forward osmosis process

Info

Publication number
SG10201808247TA
SG10201808247TA SG10201808247TA SG10201808247TA SG10201808247TA SG 10201808247T A SG10201808247T A SG 10201808247TA SG 10201808247T A SG10201808247T A SG 10201808247TA SG 10201808247T A SG10201808247T A SG 10201808247TA SG 10201808247T A SG10201808247T A SG 10201808247TA
Authority
SG
Singapore
Prior art keywords
draw solute
forward osmosis
draw
osmosis process
solute
Prior art date
Application number
SG10201808247TA
Inventor
Xiao Hu
Yufeng Cai
Rong Wang
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 SG10201808247TA publication Critical patent/SG10201808247TA/en

Links

Classifications

    • 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
    • B01D61/005—Osmotic agents; Draw solutions
    • 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
    • C02F1/445—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by forward osmosis
    • 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
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A DRAW SOLUTE FOR A FORWARD OSMOSIS PROCESS A draw solute for a forward osmosis process, the draw solute comprising: a thermally responsive ionic compound having at least one of: a lower critical solution temperature (LeST) and an upper critical solution temperature (VeST), the draw solute being regeneratable from a diluted aqueous draw solution after forward osmosis via one of: liquid- liquid phase separation and solid-liquid phase separation, the draw solute being regeneratable 10 when the diluted aqueous draw solution is at a temperature selected from one of: above the LeST and below the veST Fig. 1 18
SG10201808247TA 2014-03-25 2015-03-25 A draw solute for a forward osmosis process SG10201808247TA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201461969992P 2014-03-25 2014-03-25

Publications (1)

Publication Number Publication Date
SG10201808247TA true SG10201808247TA (en) 2018-10-30

Family

ID=54196090

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201808247TA SG10201808247TA (en) 2014-03-25 2015-03-25 A draw solute for a forward osmosis process
SG11201607803QA SG11201607803QA (en) 2014-03-25 2015-03-25 A draw solute for a forward osmosis process

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201607803QA SG11201607803QA (en) 2014-03-25 2015-03-25 A draw solute for a forward osmosis process

Country Status (4)

Country Link
US (1) US11241655B2 (en)
AU (1) AU2015237315B2 (en)
SG (2) SG10201808247TA (en)
WO (1) WO2015147749A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11241655B2 (en) 2014-03-25 2022-02-08 Nanyang Technological University Draw solute for a forward osmosis process
JP6780965B2 (en) * 2016-06-28 2020-11-04 デクセリアルズ株式会社 Lubricant and magnetic recording medium
TWI586681B (en) 2016-08-30 2017-06-11 財團法人工業技術研究院 Ionic liquid for forward osmosis process and forward osmosis process
TWI757350B (en) * 2016-10-04 2022-03-11 紐西蘭商艾克福特士技術有限公司 A thermo-responsive solution, and method of use therefor
CN107162108A (en) * 2017-05-26 2017-09-15 国家海洋局天津海水淡化与综合利用研究所 A kind of ionic liquid for positive process of osmosis draws liquid and its circulation regeneration method and system
CN108976257A (en) * 2017-06-01 2018-12-11 财团法人工业技术研究院 Multi-dendritic cationic phosphonium salts and forward osmosis extracts containing same
CN108976258B (en) * 2017-06-01 2021-04-20 财团法人工业技术研究院 Multi-branched cationic phosphonium salt, forward osmosis extract containing same, and forward osmosis seawater desalination process
WO2019082183A1 (en) 2017-10-25 2019-05-02 Technion Research & Development Foundation Limited Apparatus and process for separation of water from dissolved solutes by forward osmosis
US11639299B2 (en) * 2018-08-31 2023-05-02 Nippon Shokubai Co., Ltd. Draw solute and water treatment equipment
US11235283B2 (en) 2019-12-30 2022-02-01 Industrial Technology Research Institute Ionic liquid and forward osmosis process employing the same
US11273410B2 (en) * 2019-12-31 2022-03-15 Industrial Technology Research Institute Extracted material for forward osmosis, preparation method thereof, and forward-osmosis water desalination system using the same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8021553B2 (en) * 2008-12-18 2011-09-20 Nrgtek, Inc. Systems and methods for forward osmosis fluid purification using cloud point extraction
MX363651B (en) * 2010-12-15 2019-03-28 Univ Kingston Systems and methods for use of water with switchable ionic strength.
US9399193B2 (en) * 2011-02-18 2016-07-26 Samsung Electronics Co., Ltd. Draw solute for forward osmosis, draw solution including the same, forward osmosis water treatment device using the same, and forward osmosis method for water treatment using the same
KR101328524B1 (en) * 2011-06-29 2013-11-20 한국화학연구원 Draw solution using hydrophilic and ionic liguid in forward osmosis
KR101220261B1 (en) * 2011-07-27 2013-02-07 서울대학교산학협력단 Thermal responsive draw agent for forward osmosis desalination and the forward osmosis desalination method using the draw agent
US20130032538A1 (en) * 2011-08-01 2013-02-07 Nrgtek, Inc Systems and methods for forward osmosis fluid purification
KR20130084531A (en) * 2012-01-17 2013-07-25 삼성전자주식회사 Draw solute for forward osmosis, forward osmosis water treatment device, and forward osmosis method for water treatment
US9447239B2 (en) * 2012-03-19 2016-09-20 Samsung Electronics Co., Ltd. Thermosensitive copolymers, forward osmosis water treatment devices including the same, and methods of producing and using the same
WO2013148289A1 (en) 2012-03-30 2013-10-03 Hydration Systems, Llc Use of novel draw solutes and combinations in forward osmosis system
KR20140099695A (en) * 2013-02-04 2014-08-13 삼성전자주식회사 Draw solute for forward osmosis, forward osmosis water treatment device, and forward osmosis method for water treatment
SG10201708806PA (en) * 2013-04-26 2017-11-29 Univ Nanyang Tech A draw solute and an improved forward osmosis method
US11241655B2 (en) 2014-03-25 2022-02-08 Nanyang Technological University Draw solute for a forward osmosis process
US20150291787A1 (en) * 2014-04-10 2015-10-15 University Of Iowa Research Foundation Lyotropic liquid crystal templated hydrogels for use as forward osmosis draw agents

Also Published As

Publication number Publication date
AU2015237315B2 (en) 2020-03-12
US11241655B2 (en) 2022-02-08
SG11201607803QA (en) 2016-10-28
AU2015237315A1 (en) 2016-10-13
US20180008933A1 (en) 2018-01-11
WO2015147749A1 (en) 2015-10-01

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