SG11202107717RA - Chemical dosing control method - Google Patents

Chemical dosing control method

Info

Publication number
SG11202107717RA
SG11202107717RA SG11202107717RA SG11202107717RA SG11202107717RA SG 11202107717R A SG11202107717R A SG 11202107717RA SG 11202107717R A SG11202107717R A SG 11202107717RA SG 11202107717R A SG11202107717R A SG 11202107717RA SG 11202107717R A SG11202107717R A SG 11202107717RA
Authority
SG
Singapore
Prior art keywords
control method
dosing control
chemical dosing
chemical
dosing
Prior art date
Application number
SG11202107717RA
Inventor
Yuta Ohtsuka
Kunihiro Hayakawa
Original Assignee
Kurita Water Ind Ltd
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 Kurita Water Ind Ltd filed Critical Kurita Water Ind Ltd
Publication of SG11202107717RA publication Critical patent/SG11202107717RA/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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • 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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10—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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/12—Controlling or regulating
    • 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
    • C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • 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
    • B01D2311/12—Addition of chemical agents
    • 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
    • B01D2311/24—Quality control
    • B01D2311/246—Concentration control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/167—Use of scale inhibitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/40—Automatic control of cleaning processes
    • 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
    • C02F2303/14—Maintenance of water treatment installations
    • 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
    • C02F2303/20—Prevention of biofouling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
SG11202107717RA 2019-01-28 2020-01-27 Chemical dosing control method SG11202107717RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019012435 2019-01-28
PCT/JP2020/002698 WO2020158645A1 (en) 2019-01-28 2020-01-27 Chemical infusion control method

Publications (1)

Publication Number Publication Date
SG11202107717RA true SG11202107717RA (en) 2021-08-30

Family

ID=71840034

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202107717RA SG11202107717RA (en) 2019-01-28 2020-01-27 Chemical dosing control method

Country Status (7)

Country Link
US (1) US20220097007A1 (en)
EP (1) EP3919162A4 (en)
JP (1) JPWO2020158645A1 (en)
KR (1) KR20210118844A (en)
CN (1) CN113272045B (en)
SG (1) SG11202107717RA (en)
WO (1) WO2020158645A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023149310A1 (en) * 2022-02-01 2023-08-10 オルガノ株式会社 Water treatment method and water treatment device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101419614B1 (en) * 2009-10-22 2014-07-14 아사히 가세이 케미칼즈 가부시키가이샤 Method for immersion-type washing of separation membrane device and system for immersion-type washing of separation membrane device
JP4825932B2 (en) 2010-03-30 2011-11-30 株式会社神鋼環境ソリューション Water treatment method
JP2012210612A (en) 2011-03-31 2012-11-01 Kurita Water Ind Ltd Chemical feeding control method
TWI537046B (en) 2011-07-06 2016-06-11 栗田工業股份有限公司 Method of membrane separation
JP2014211327A (en) * 2013-04-17 2014-11-13 栗田工業株式会社 Monitoring method and monitoring device of slime adhesion state in water system
JP2015042385A (en) * 2013-08-26 2015-03-05 株式会社日立製作所 Desalination system
JP5888365B2 (en) * 2014-05-19 2016-03-22 栗田工業株式会社 Concentration adjustment method for cooling water treatment chemical in circulating cooling water system, cooling drain water recovery method and water treatment equipment
KR20160074738A (en) * 2014-12-17 2016-06-29 재단법인 포항산업과학연구원 Apparatus and Method for Automatic Control of Anti-scalants in Reverse osmosis membrane process
CN204360110U (en) * 2015-01-27 2015-05-27 西安绿信环保实业科技有限公司 Counter-infiltration system antisludging agent Intelligent adding control device
EP3279151A4 (en) * 2015-03-31 2018-12-12 Kurita Water Industries Ltd. Reverse osmosis membrane treatment system operation method and reverse osmosis membrane treatment system
JP6463656B2 (en) * 2015-05-29 2019-02-06 株式会社日立製作所 Water treatment system
AU2017246762B2 (en) * 2016-04-08 2022-10-20 Toray Industries, Inc. Water treatment method and water treatment device
JP2018114473A (en) * 2017-01-19 2018-07-26 三浦工業株式会社 Water treatment system
JP7078834B2 (en) 2017-06-30 2022-06-01 キヤノンマーケティングジャパン株式会社 Information processing equipment, information processing system, its control method and program
CN207619072U (en) * 2017-10-31 2018-07-17 山东鲁东环保科技有限公司 A kind of reverse osmosis inline diagnosis formula automation cleaning device of middle water
JP6389948B1 (en) * 2017-12-13 2018-09-12 株式会社クボタ Water treatment facility management device, water treatment facility cleaning chemical ordering system, water treatment facility chemical ordering method, and water treatment facility chemical cleaning plan formulation method
EP3685908A1 (en) * 2019-01-22 2020-07-29 NOV Process & Flow Technologies AS Fouling type detection

Also Published As

Publication number Publication date
TW202041272A (en) 2020-11-16
WO2020158645A1 (en) 2020-08-06
EP3919162A4 (en) 2022-09-14
CN113272045A (en) 2021-08-17
CN113272045B (en) 2024-04-05
EP3919162A1 (en) 2021-12-08
KR20210118844A (en) 2021-10-01
US20220097007A1 (en) 2022-03-31
JPWO2020158645A1 (en) 2021-12-02

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