AU2022267947B2 - Method and device for manufacturing sodium hypochlorite solution - Google Patents

Method and device for manufacturing sodium hypochlorite solution Download PDF

Info

Publication number
AU2022267947B2
AU2022267947B2 AU2022267947A AU2022267947A AU2022267947B2 AU 2022267947 B2 AU2022267947 B2 AU 2022267947B2 AU 2022267947 A AU2022267947 A AU 2022267947A AU 2022267947 A AU2022267947 A AU 2022267947A AU 2022267947 B2 AU2022267947 B2 AU 2022267947B2
Authority
AU
Australia
Prior art keywords
salt water
sodium hypochlorite
water
hypochlorite solution
chelating
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
AU2022267947A
Other languages
English (en)
Other versions
AU2022267947A1 (en
Inventor
Hiroki Domon
Masaaki Kato
Masahiro Ohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Nora Permelec Ltd
Original Assignee
De Nora Permelec 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 De Nora Permelec Ltd filed Critical De Nora Permelec Ltd
Publication of AU2022267947A1 publication Critical patent/AU2022267947A1/en
Application granted granted Critical
Publication of AU2022267947B2 publication Critical patent/AU2022267947B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/04—Hypochlorous acid
    • C01B11/06—Hypochlorites
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/04—Hypochlorous acid
    • C01B11/06—Hypochlorites
    • C01B11/062—Hypochlorites of alkali metals
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • C25B15/023—Measuring, analysing or testing during electrolytic production
    • C25B15/025—Measuring, analysing or testing during electrolytic production of electrolyte parameters
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/081—Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/085—Removing impurities
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • C25B9/21—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms two or more diaphragms
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • 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
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2022267947A 2021-04-30 2022-03-16 Method and device for manufacturing sodium hypochlorite solution Active AU2022267947B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-077761 2021-04-30
JP2021077761A JP7445622B2 (ja) 2021-04-30 2021-04-30 次亜塩素酸ナトリウム溶液の製造方法および製造装置
PCT/JP2022/012033 WO2022230422A1 (ja) 2021-04-30 2022-03-16 次亜塩素酸ナトリウム溶液の製造方法および製造装置

Publications (2)

Publication Number Publication Date
AU2022267947A1 AU2022267947A1 (en) 2023-11-30
AU2022267947B2 true AU2022267947B2 (en) 2024-03-28

Family

ID=83848387

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2022267947A Active AU2022267947B2 (en) 2021-04-30 2022-03-16 Method and device for manufacturing sodium hypochlorite solution

Country Status (10)

Country Link
US (1) US12209321B2 (cg-RX-API-DMAC7.html)
EP (1) EP4324958A4 (cg-RX-API-DMAC7.html)
JP (1) JP7445622B2 (cg-RX-API-DMAC7.html)
KR (1) KR102663704B1 (cg-RX-API-DMAC7.html)
CN (1) CN117222779B (cg-RX-API-DMAC7.html)
AR (1) AR125727A1 (cg-RX-API-DMAC7.html)
AU (1) AU2022267947B2 (cg-RX-API-DMAC7.html)
MY (1) MY208349A (cg-RX-API-DMAC7.html)
WO (1) WO2022230422A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA202309958B (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019167760A (ja) * 2018-03-26 2019-10-03 パイオニア株式会社 解析装置、車両、解析方法、プログラム、及び記憶媒体
JP7763401B2 (ja) * 2021-05-31 2025-11-04 デノラ・ペルメレック株式会社 次亜塩素酸ナトリウム溶液の製造方法および製造装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186215A (ja) * 1992-01-10 1993-07-27 Kanegafuchi Chem Ind Co Ltd 塩水の精製方法
JPH0610177A (ja) * 1992-06-26 1994-01-18 Asahi Denka Kogyo Kk オンサイト電解システム
US20070251831A1 (en) * 2006-04-29 2007-11-01 Electrolytic Technologies Corporation Process for the on-site production of chlorine and high strength sodium hypochlorite

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190215A (ja) * 1983-04-08 1984-10-29 Toagosei Chem Ind Co Ltd 電解方法
JP3283052B2 (ja) 1992-01-08 2002-05-20 クロリンエンジニアズ株式会社 次亜塩素酸塩の製造方法
JPH0731979A (ja) * 1993-07-21 1995-02-03 Asahi Glass Eng Kk アルカリ性水及び酸性水を製造する方法
US8268159B2 (en) * 2005-12-20 2012-09-18 Ceramatec, Inc. Electrolytic process to produce sodium hypochlorite using sodium ion conductive ceramic membranes
KR101079470B1 (ko) 2011-08-01 2011-11-03 (주) 테크윈 차아염소산나트륨 발생장치
JP5907501B2 (ja) 2011-11-04 2016-04-26 デノラ・ペルメレック株式会社 次亜塩素酸塩の製造方法
CN107604377B (zh) * 2017-10-20 2024-03-08 中国水利水电科学研究院 一种用于生产供水次氯酸钠消毒液的装置
CN108950590A (zh) * 2018-07-11 2018-12-07 青海盐湖工业股份有限公司 一种控制氯碱生产中的一次盐水质量的系统及方法
CN112281180A (zh) 2020-09-30 2021-01-29 浙江工业大学 一种双极膜电解浓海水制氯的方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186215A (ja) * 1992-01-10 1993-07-27 Kanegafuchi Chem Ind Co Ltd 塩水の精製方法
JPH0610177A (ja) * 1992-06-26 1994-01-18 Asahi Denka Kogyo Kk オンサイト電解システム
US20070251831A1 (en) * 2006-04-29 2007-11-01 Electrolytic Technologies Corporation Process for the on-site production of chlorine and high strength sodium hypochlorite

Also Published As

Publication number Publication date
JP2022171229A (ja) 2022-11-11
WO2022230422A1 (ja) 2022-11-03
ZA202309958B (en) 2025-06-25
KR20230167128A (ko) 2023-12-07
EP4324958A4 (en) 2024-12-25
JP7445622B2 (ja) 2024-03-07
AR125727A1 (es) 2023-08-09
EP4324958A1 (en) 2024-02-21
AU2022267947A1 (en) 2023-11-30
US12209321B2 (en) 2025-01-28
KR102663704B1 (ko) 2024-05-03
MY208349A (en) 2025-05-01
US20240218542A1 (en) 2024-07-04
NZ806039A (en) 2024-07-05
CN117222779B (zh) 2024-08-16
CN117222779A (zh) 2023-12-12

Similar Documents

Publication Publication Date Title
JP3913923B2 (ja) 水処理方法及び水処理用装置
Van Hege et al. Electro-oxidative abatement of low-salinity reverse osmosis membrane concentrates
JP5907501B2 (ja) 次亜塩素酸塩の製造方法
JP2002317287A (ja) 過酸化水素製造用電解槽及び過酸化水素製造方法
US12209321B2 (en) Method and device for manufacturing sodium hypochlorite solution
Khajouei et al. Produced water softening using high-pH catholyte from brine electrolysis: reducing chemical transportation and environmental footprints
KR850001577B1 (ko) 막(膜)전해조 염수 공급액의 처리 방법
AU2022284417B2 (en) Method and apparatus for producing sodium hypochlorite solution
CA3117252A1 (en) Electrochemical system for the synthesis of aqueous oxidizing agent solutions
AU2020341085B2 (en) Wastewater treatment method and wastewater treatment apparatus
KR102476542B1 (ko) 차아염소산나트륨 제조시스템
JP2005177671A (ja) 電解式オゾナイザ
US20120247970A1 (en) Bubbling air through an electrochemical cell to increase efficiency
JP2007007502A (ja) 低食塩電解水の製造方法とその製造装置
JP7549033B2 (ja) 船舶バラスト水の処理方法
JP2003293178A (ja) 水処理薬剤の製造法
JPH0428438B2 (cg-RX-API-DMAC7.html)
NZ806039B2 (en) Method and device for manufacturing sodium hypochlorite solution
Key et al. Electrochemical Reduction Of Nitrate
Deogracias Mixed Oxidants: Alternative disinfectant that can reduce operational costs and improve water quality
Chanturia et al. Utilization of circulating dump water in the form of hypochlorite solution to decontaminate municipal sewage waters
Wassilak DEMONSTRATION TESTING OF ON-SITE ELECTROLYTIC GENERATION OF DISINFECTANTS
HK40053341A (en) Electrochemical system for the synthesis of aqueous oxidising agent solutions
Hurwitz Synergistic Organic Degradation by Photo-Assisted Electrochemical Oxidation of Reverse Osmosis Concentrate

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)