SG11202101550YA - Thermo-sensitive draw solute, water treatment method, and water treatment apparatus - Google Patents

Thermo-sensitive draw solute, water treatment method, and water treatment apparatus

Info

Publication number
SG11202101550YA
SG11202101550YA SG11202101550YA SG11202101550YA SG11202101550YA SG 11202101550Y A SG11202101550Y A SG 11202101550YA SG 11202101550Y A SG11202101550Y A SG 11202101550YA SG 11202101550Y A SG11202101550Y A SG 11202101550YA SG 11202101550Y A SG11202101550Y A SG 11202101550YA
Authority
SG
Singapore
Prior art keywords
water treatment
thermo
draw solute
treatment apparatus
treatment method
Prior art date
Application number
SG11202101550YA
Other languages
English (en)
Inventor
Aya Osato
Takeshi Tsuji
Koji Fuchigami
Keiji Tomura
Shigeki Fujiwara
Makoto Kunugi
Yuya Sato
Eri Watanabe
Masami Nakagawa
Sohei Hamaguchi
Koji Kubo
Original Assignee
Jfe Eng Corp
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 Jfe Eng Corp filed Critical Jfe Eng Corp
Publication of SG11202101550YA publication Critical patent/SG11202101550YA/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
    • 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
    • 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
    • B01D61/0023—Accessories; Auxiliary operations
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/10—Temperature control
    • B01D2311/103—Heating
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/14—Additives which dissolves or releases substances when predefined environmental conditions are reached, e.g. pH or temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Polyethers (AREA)
SG11202101550YA 2018-08-29 2019-08-05 Thermo-sensitive draw solute, water treatment method, and water treatment apparatus SG11202101550YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018159985 2018-08-29
PCT/JP2019/030659 WO2020044965A1 (ja) 2018-08-29 2019-08-05 温度感応性吸水剤、水処理方法、および水処理装置

Publications (1)

Publication Number Publication Date
SG11202101550YA true SG11202101550YA (en) 2021-03-30

Family

ID=69644747

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202101550YA SG11202101550YA (en) 2018-08-29 2019-08-05 Thermo-sensitive draw solute, water treatment method, and water treatment apparatus

Country Status (6)

Country Link
US (1) US20210316250A1 (zh)
EP (1) EP3845295A1 (zh)
JP (1) JPWO2020044965A1 (zh)
CN (1) CN112638507A (zh)
SG (1) SG11202101550YA (zh)
WO (1) WO2020044965A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7162308B2 (ja) * 2018-08-31 2022-10-28 株式会社日本触媒 ドロー溶質及び水処理装置
JPWO2021206116A1 (zh) * 2020-04-08 2021-10-14
US11407659B1 (en) * 2021-07-09 2022-08-09 Kuwait Institute For Scientific Research Desalination and cooling system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2017148734A (ja) * 2016-02-24 2017-08-31 旭化成株式会社 溶媒分離方法
JP2018108538A (ja) * 2016-12-28 2018-07-12 大阪瓦斯株式会社 正浸透膜分離方法、並びに該方法を行う水処理設備及び発電設備
JP7117718B2 (ja) * 2017-02-17 2022-08-15 国立大学法人神戸大学 水処理方法および水処理システム

Also Published As

Publication number Publication date
WO2020044965A1 (ja) 2020-03-05
CN112638507A (zh) 2021-04-09
US20210316250A1 (en) 2021-10-14
JPWO2020044965A1 (ja) 2021-09-02
EP3845295A1 (en) 2021-07-07

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