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
Other languages
English (en)
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 (ja) 2019-01-28 2020-01-27 薬注制御方法

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 (8)

Country Link
US (1) US20220097007A1 (ja)
EP (1) EP3919162A4 (ja)
JP (2) JP7509039B2 (ja)
KR (1) KR20210118844A (ja)
CN (1) CN113272045B (ja)
SG (1) SG11202107717RA (ja)
TW (1) TWI835982B (ja)
WO (1) WO2020158645A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023149310A1 (ja) * 2022-02-01 2023-08-10 オルガノ株式会社 水処理方法および水処理装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW290528B (en) * 1995-06-29 1996-11-11 Ind Tech Res Inst High performance sequencing batch reactor (SBR) automatic control method
JP2002143849A (ja) 2000-08-31 2002-05-21 Toray Ind Inc 造水方法
MY150813A (en) * 2008-11-04 2014-02-28 Kurita Water Ind Ltd Filtration apparatus and water treatment equipment
JP5431493B2 (ja) * 2009-10-22 2014-03-05 旭化成ケミカルズ株式会社 浸漬型分離膜装置の洗浄方法、及び浸漬型分離膜装置の洗浄システム
JP4825932B2 (ja) 2010-03-30 2011-11-30 株式会社神鋼環境ソリューション 水処理方法
JP2012210612A (ja) 2011-03-31 2012-11-01 Kurita Water Ind Ltd 薬注制御方法
TWI537046B (zh) 2011-07-06 2016-06-11 栗田工業股份有限公司 膜分離方法
JP2014211327A (ja) * 2013-04-17 2014-11-13 栗田工業株式会社 水系のスライム付着状況のモニタリング方法及びモニタリング装置
JP2015042385A (ja) * 2013-08-26 2015-03-05 株式会社日立製作所 淡水化システム
JP5888365B2 (ja) * 2014-05-19 2016-03-22 栗田工業株式会社 循環冷却水系における冷却水処理薬剤の濃度調整方法、冷却排出水の回収方法及び水処理設備
KR20160074738A (ko) * 2014-12-17 2016-06-29 재단법인 포항산업과학연구원 역삼투 분리막 공정에서 사용하는 스케일 방지제 자동조절장치 및 방법
CN204360110U (zh) * 2015-01-27 2015-05-27 西安绿信环保实业科技有限公司 反渗透系统阻垢剂智能投加控制装置
WO2016158633A1 (ja) * 2015-03-31 2016-10-06 栗田工業株式会社 逆浸透膜処理システムの運転方法及び逆浸透膜処理システム
JP2016221427A (ja) 2015-05-28 2016-12-28 東レ株式会社 水処理装置の運転方法
JP6463656B2 (ja) * 2015-05-29 2019-02-06 株式会社日立製作所 水処理システム
ES2881762T3 (es) * 2016-04-08 2021-11-30 Toray Industries Método de tratamiento de agua
JP6679439B2 (ja) 2016-07-21 2020-04-15 水ｉｎｇ株式会社 逆浸透膜供給水の膜閉塞性評価方法、及び膜閉塞性評価装置、その膜閉塞性評価方法を用いた水処理装置の運転管理方法
JP7033841B2 (ja) 2016-07-21 2022-03-11 水ｉｎｇ株式会社 逆浸透膜供給水の膜閉塞性評価方法及びその膜閉塞性評価方法を用いた水処理装置の運転管理方法
JP2018114473A (ja) * 2017-01-19 2018-07-26 三浦工業株式会社 水処理システム
JP7078834B2 (ja) 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 情報処理装置、情報処理システム、その制御方法及びプログラム
CN207619072U (zh) * 2017-10-31 2018-07-17 山东鲁东环保科技有限公司 一种中水反渗透在线诊断式自动化清洗装置
JP6389948B1 (ja) * 2017-12-13 2018-09-12 株式会社クボタ 水処理施設の管理装置、水処理施設の洗浄薬液発注システム、水処理施設の薬液発注方法及び水処理施設の薬液洗浄計画策定方法
EP3685908A1 (en) * 2019-01-22 2020-07-29 NOV Process & Flow Technologies AS Fouling type detection

Also Published As

Publication number Publication date
US20220097007A1 (en) 2022-03-31
TWI835982B (zh) 2024-03-21
JP2024079811A (ja) 2024-06-11
CN113272045B (zh) 2024-04-05
CN113272045A (zh) 2021-08-17
EP3919162A1 (en) 2021-12-08
WO2020158645A1 (ja) 2020-08-06
JPWO2020158645A1 (ja) 2021-12-02
JP7509039B2 (ja) 2024-07-02
EP3919162A4 (en) 2022-09-14
TW202041272A (zh) 2020-11-16
KR20210118844A (ko) 2021-10-01

Similar Documents

Publication Publication Date Title
PL3827381T3 (pl) Kontrola wielu kubitów
GB2553635B (en) Process control communication architecture
GB2585510B (en) A chemical dosing system
ZA202100605B (en) Thermocline control method
SG11201705883PA (en) Communication control apparatus, communication apparatus, communication control method, communication method, and program
GB201515284D0 (en) Well control method
SG11201706088TA (en) Communication apparatus, method of controlling the communication apparatus, and program
IL287919A (en) chemical process
GB2584502B (en) Furnace control method
SG10201905100QA (en) Control apparatus
ZA201900539B (en) Communication apparatus, communication control method, and program
SG11202107717RA (en) Chemical dosing control method
EP3749932C0 (en) CHEMICAL DOSING SYSTEM
IL289634A (en) A new method of reprogramming
GB202001371D0 (en) Chemical reactions
GB202001376D0 (en) Chemical reactions
GB201918733D0 (en) Discrete Optimisation
GB201802275D0 (en) Ion control method
PL3514144T3 (pl) Zoptymalizowany sposób wytwarzania środka do zwalczania szkodników
EP3393651C0 (de) Verfahren zur regelung einer chemischen reaktion
GB2599820B (en) Fluid control apparatus
SG11202107152SA (en) Process control
GB2588686B (en) Chemical-agent dosing apparatus
IL285698A (en) Automatic simultaneous process control
EP3881600C0 (en) PLMN FLOW CONTROL