SG11202007546YA - Water treatment apparatus, water treatment method, and method of starting water treatment apparatus - Google Patents

Water treatment apparatus, water treatment method, and method of starting water treatment apparatus

Info

Publication number
SG11202007546YA
SG11202007546YA SG11202007546YA SG11202007546YA SG11202007546YA SG 11202007546Y A SG11202007546Y A SG 11202007546YA SG 11202007546Y A SG11202007546Y A SG 11202007546YA SG 11202007546Y A SG11202007546Y A SG 11202007546YA SG 11202007546Y A SG11202007546Y A SG 11202007546YA
Authority
SG
Singapore
Prior art keywords
water treatment
treatment apparatus
starting
starting water
treatment method
Prior art date
Application number
SG11202007546YA
Inventor
Yuya Sato
Takeshi Tsuji
Koji Fuchigami
Keiji Tomura
Shigeki Fujiwara
Makoto Kunugi
Eri Watanabe
Aya Osato
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
Priority claimed from JP2018032166A external-priority patent/JP6879228B2/en
Priority claimed from JP2018059291A external-priority patent/JP6973229B2/en
Application filed by Jfe Eng Corp filed Critical Jfe Eng Corp
Publication of SG11202007546YA publication Critical patent/SG11202007546YA/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
    • B01D61/58—Multistep processes
    • 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
    • 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
    • B01D61/0022—Apparatus therefor
    • 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
    • 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
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/06—Specific process operations in the permeate stream
    • 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
    • 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
    • B01D2311/1031—Heat integration, heat recovery or reuse within an apparatus
    • 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
    • B01D2311/1032—Heating or reheating between serial separation steps
    • 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
    • B01D2311/106—Cooling
    • 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
    • B01D2311/106—Cooling
    • B01D2311/1061—Cooling between serial separation steps
    • 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
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • 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
    • B01D2311/25—Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed
    • B01D2311/252—Recirculation of concentrate
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2626—Absorption or adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/22—Cooling or heating elements
    • B01D2313/221—Heat exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/08—Seawater, e.g. for desalination
    • 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
    • C02F2303/18—Removal of treatment agents after treatment

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)
SG11202007546YA 2018-02-26 2019-02-20 Water treatment apparatus, water treatment method, and method of starting water treatment apparatus SG11202007546YA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018032166A JP6879228B2 (en) 2018-02-26 2018-02-26 Water treatment equipment and water treatment method
JP2018059291A JP6973229B2 (en) 2018-03-27 2018-03-27 Water treatment equipment and how to start it
PCT/JP2019/006214 WO2019163800A1 (en) 2018-02-26 2019-02-20 Water treatment apparatus, water treatment method, and method of starting water treatment apparatus

Publications (1)

Publication Number Publication Date
SG11202007546YA true SG11202007546YA (en) 2020-09-29

Family

ID=67688419

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202007546YA SG11202007546YA (en) 2018-02-26 2019-02-20 Water treatment apparatus, water treatment method, and method of starting water treatment apparatus

Country Status (4)

Country Link
US (1) US20210002148A1 (en)
EP (1) EP3758833A4 (en)
SG (1) SG11202007546YA (en)
WO (1) WO2019163800A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11407659B1 (en) * 2021-07-09 2022-08-09 Kuwait Institute For Scientific Research Desalination and cooling system
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
US11855324B1 (en) 2022-11-15 2023-12-26 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell with heat pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2012249944B2 (en) * 2011-04-25 2015-10-08 Trevi Systems Inc. Recovery of retrograde soluble solute for forward osmosis water treatment
WO2013065293A1 (en) * 2011-10-31 2013-05-10 Ｊｆｅエンジニアリング株式会社 Method and device for preparing fresh water
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
US11007482B2 (en) * 2013-04-26 2021-05-18 Nanyang Technological University Draw solute and an improved forward osmosis method
EP3130398B1 (en) * 2014-04-11 2019-07-24 JFE Engineering Corporation Temperature-sensitive absorbent, water treatment method, and water treatment apparatus
JP2016019944A (en) * 2014-07-14 2016-02-04 旭化成株式会社 Clear water and electrical power supplying system and method
JP2016059891A (en) * 2014-09-19 2016-04-25 東洋紡株式会社 Apparatus and method for generating fresh water
WO2019004281A1 (en) * 2017-06-27 2019-01-03 Ｊｆｅエンジニアリング株式会社 Water treatment device and water treatment method

Also Published As

Publication number Publication date
WO2019163800A1 (en) 2019-08-29
US20210002148A1 (en) 2021-01-07
EP3758833A1 (en) 2021-01-06
EP3758833A4 (en) 2021-11-10

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