SG10202009606PA - Water treatment method and water treatment device - Google Patents

Water treatment method and water treatment device

Info

Publication number
SG10202009606PA
SG10202009606PA SG10202009606PA SG10202009606PA SG10202009606PA SG 10202009606P A SG10202009606P A SG 10202009606PA SG 10202009606P A SG10202009606P A SG 10202009606PA SG 10202009606P A SG10202009606P A SG 10202009606PA SG 10202009606P A SG10202009606P A SG 10202009606PA
Authority
SG
Singapore
Prior art keywords
water treatment
treatment device
treatment method
water
treatment
Prior art date
Application number
SG10202009606PA
Inventor
Tomohiro Maeda
Masahide Taniguchi
Kenji Saito
Original Assignee
Toray Industries
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 Toray Industries filed Critical Toray Industries
Publication of SG10202009606PA publication Critical patent/SG10202009606PA/en

Links

Classifications

    • 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
    • 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
    • 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
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse 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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/105—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C02F5/125—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
    • C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
    • 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)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Water Treatment By Sorption (AREA)
  • Physical Water Treatments (AREA)
SG10202009606PA 2016-04-08 2017-03-30 Water treatment method and water treatment device SG10202009606PA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016077855 2016-04-08
JP2016166695 2016-08-29

Publications (1)

Publication Number Publication Date
SG10202009606PA true SG10202009606PA (en) 2020-10-29

Family

ID=60001318

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10202009606PA SG10202009606PA (en) 2016-04-08 2017-03-30 Water treatment method and water treatment device
SG11201808847QA SG11201808847QA (en) 2016-04-08 2017-03-30 Water treatment method and water treatment device

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201808847QA SG11201808847QA (en) 2016-04-08 2017-03-30 Water treatment method and water treatment device

Country Status (8)

Country Link
EP (1) EP3441368B1 (en)
JP (1) JP6881435B2 (en)
AU (1) AU2017246762B2 (en)
ES (1) ES2881762T3 (en)
IL (1) IL262150B (en)
SA (1) SA518400181B1 (en)
SG (2) SG10202009606PA (en)
WO (1) WO2017175657A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019188138A1 (en) * 2018-03-27 2019-10-03 東レ株式会社 Water treatment method and water treatment apparatus
JP7180310B2 (en) * 2018-11-20 2022-11-30 三浦工業株式会社 water treatment system
EP3919162A4 (en) * 2019-01-28 2022-09-14 Kurita Water Industries Ltd. Chemical infusion control method
JP2020195937A (en) * 2019-05-31 2020-12-10 東レ株式会社 Method of producing fresh water
JP7347127B2 (en) * 2019-10-31 2023-09-20 東レ株式会社 Freshwater production method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000300966A (en) * 1999-02-17 2000-10-31 Toray Ind Inc Membrane sterilization method and membrane separation device
JP3788145B2 (en) * 1999-12-01 2006-06-21 栗田工業株式会社 Water treatment method and water treatment apparatus
JP2003071252A (en) * 2001-09-06 2003-03-11 Nitto Denko Corp Multi-stage type reverse osmosis treating method
JP5757089B2 (en) * 2011-01-05 2015-07-29 栗田工業株式会社 Method and apparatus for treating water containing organic matter
JP2013052333A (en) * 2011-09-02 2013-03-21 Mitsubishi Heavy Ind Ltd Reverse osmosis treatment method and reverse osmosis treatment apparatus
JP2013180277A (en) * 2012-03-05 2013-09-12 Kurita Water Ind Ltd Scale inhibitor for reverse osmosis membrane treatment and scaling preventing method in reverse osmosis membrane treatment

Also Published As

Publication number Publication date
SA518400181B1 (en) 2022-04-17
EP3441368B1 (en) 2021-07-07
IL262150B (en) 2022-08-01
EP3441368A1 (en) 2019-02-13
EP3441368A4 (en) 2019-10-16
JP6881435B2 (en) 2021-06-02
ES2881762T3 (en) 2021-11-30
AU2017246762B2 (en) 2022-10-20
WO2017175657A1 (en) 2017-10-12
IL262150A (en) 2018-11-29
AU2017246762A1 (en) 2018-10-25
JPWO2017175657A1 (en) 2019-02-14
SG11201808847QA (en) 2018-11-29

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