KR20210103482A - 기체-확산 전극을 사용하는, 알칼리 염화물 용액의 막 전기분해 방법 - Google Patents

기체-확산 전극을 사용하는, 알칼리 염화물 용액의 막 전기분해 방법 Download PDF

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Publication number
KR20210103482A
KR20210103482A KR1020217018329A KR20217018329A KR20210103482A KR 20210103482 A KR20210103482 A KR 20210103482A KR 1020217018329 A KR1020217018329 A KR 1020217018329A KR 20217018329 A KR20217018329 A KR 20217018329A KR 20210103482 A KR20210103482 A KR 20210103482A
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KR
South Korea
Prior art keywords
electrolysis
catholyte
cell
anolyte
space
Prior art date
Application number
KR1020217018329A
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English (en)
Korean (ko)
Inventor
안드레아스 불란
미카엘 그로스홀츠
Original Assignee
코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게
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.)
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Application filed by 코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게 filed Critical 코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게
Publication of KR20210103482A publication Critical patent/KR20210103482A/ko

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Classifications

    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031—Porous electrodes
    • C25B11/032—Gas diffusion electrodes
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
    • 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
    • C25B13/00—Diaphragms; Spacing elements
    • 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
    • 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
    • C25B15/027—Temperature
    • 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
    • C25B15/029—Concentration
    • C25B15/031—Concentration pH
    • 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
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
KR1020217018329A 2018-12-18 2019-12-16 기체-확산 전극을 사용하는, 알칼리 염화물 용액의 막 전기분해 방법 KR20210103482A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18213272.0A EP3670706B1 (fr) 2018-12-18 2018-12-18 Procédé d'électrolyse à membrane de solutions de chlorure alcalin à l'aide d'une électrode à diffusion gazeuse
EP18213272.0 2018-12-18
PCT/EP2019/085312 WO2020127021A2 (fr) 2018-12-18 2019-12-16 Procédé d'électrolyse à membrane de solutions de chlorures alcalins en ayant recours à une électrode à diffusion gazeuse

Publications (1)

Publication Number Publication Date
KR20210103482A true KR20210103482A (ko) 2021-08-23

Family

ID=64744547

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217018329A KR20210103482A (ko) 2018-12-18 2019-12-16 기체-확산 전극을 사용하는, 알칼리 염화물 용액의 막 전기분해 방법

Country Status (6)

Country Link
US (1) US20220056594A1 (fr)
EP (2) EP3670706B1 (fr)
JP (1) JP2022510916A (fr)
KR (1) KR20210103482A (fr)
CN (1) CN113166952B (fr)
WO (1) WO2020127021A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116542046B (zh) * 2023-05-05 2024-10-11 中国长江三峡集团有限公司 能耗模型的构建方法、装置、电子设备和存储介质

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549837A (en) 1968-09-24 1970-12-22 Bendix Corp Differential pressure switch with improved magnetic piston actuator means
JPS5312798A (en) * 1976-07-22 1978-02-04 Tokuyama Soda Co Ltd Electrolyzing eqiupment for aqueous solution of alkali metal salt
JPS558413A (en) * 1978-06-30 1980-01-22 Toagosei Chem Ind Co Ltd Protecting method of stop electrolytic cell
US4169775A (en) * 1978-07-31 1979-10-02 Olin Corporation Protection of the low hydrogen overvoltage catalytic coatings
US4364806A (en) 1981-05-08 1982-12-21 Diamond Shamrock Corporation Gas electrode shutdown procedure
US4615777A (en) * 1982-11-24 1986-10-07 Olin Corporation Method and composition for reducing the voltage in an electrolytic cell
US4561949A (en) * 1983-08-29 1985-12-31 Olin Corporation Apparatus and method for preventing activity loss from electrodes during shutdown
US4618403A (en) * 1983-10-24 1986-10-21 Olin Corporation Method of stabilizing metal-silica complexes in alkali metal halide brines
US4578159A (en) 1985-04-25 1986-03-25 Olin Corporation Electrolysis of alkali metal chloride brine in catholyteless membrane cells employing an oxygen consuming cathode
US4724636A (en) 1986-10-08 1988-02-16 Westinghouse Electric Corp. Grinding tool for use in a fuel assembly repair and reconstitution system
US5630930A (en) * 1995-07-26 1997-05-20 Ppg Industries, Inc. Method for starting a chlor-alkali diaphragm cell
JP3651871B2 (ja) * 1997-08-22 2005-05-25 クロリンエンジニアズ株式会社 イオン交換膜法電解槽の運転開始方法
JP3553775B2 (ja) 1997-10-16 2004-08-11 ペルメレック電極株式会社 ガス拡散電極を使用する電解槽
FR2772051B1 (fr) * 1997-12-10 1999-12-31 Atochem Elf Sa Procede d'immobilisation d'une cellule d'electrolyse a membrane et a cathode a reduction d'oxygene
JP3373175B2 (ja) * 1999-07-09 2003-02-04 東亞合成株式会社 ガス拡散陰極を用いた塩化アルカリ電解槽の運転開始方法
IT1317753B1 (it) 2000-02-02 2003-07-15 Nora S P A Ora De Nora Impiant Cella di elettrolisi con elettrodo a diffusione di gas.
ITMI20012379A1 (it) * 2001-11-12 2003-05-12 Uhdenora Technologies Srl Cella di elettrolisi con elettrodi a diffusione di gas
JP2004300510A (ja) 2003-03-31 2004-10-28 Mitsui Chemicals Inc ガス拡散陰極を用いたイオン交換膜型電解槽の保護方法
JP2006183113A (ja) * 2004-12-28 2006-07-13 Kaneka Corp 食塩水電解槽の性能回復方法ならびに該方法により処理された陰極を用いた生産苛性ソーダ溶液および塩素の製造方法
DE102005023615A1 (de) 2005-05-21 2006-11-23 Bayer Materialscience Ag Verfahren zur Herstellung von Gasdiffusionselektroden
JP4339337B2 (ja) * 2005-09-16 2009-10-07 株式会社カネカ 電気分解用陰極の活性化方法および電気分解方法
ITMI20061388A1 (it) 2006-07-18 2008-01-19 Uhdenora Spa Procedimento per la protezione di celle elettroniche equipaggiate con elettrodoti a diffusione gassosa in condizioni di fermata
DE102012204041A1 (de) * 2012-03-15 2013-09-19 Bayer Materialscience Aktiengesellschaft Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden, die Öffnungen aufweisen
DE102012204042A1 (de) * 2012-03-15 2013-09-19 Bayer Materialscience Aktiengesellschaft Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden in Micro-Gap Anordnung
DE102012204040A1 (de) * 2012-03-15 2013-09-19 Bayer Materialscience Aktiengesellschaft Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden
DE102013226414A1 (de) * 2013-12-18 2015-06-18 Evonik Industries Ag Vorrichtung und Verfahren zum flexiblen Einsatz von Strom
JP6397396B2 (ja) * 2015-12-28 2018-09-26 デノラ・ペルメレック株式会社 アルカリ水電解方法

Also Published As

Publication number Publication date
WO2020127021A3 (fr) 2020-08-20
EP3670706B1 (fr) 2024-02-21
EP3670706A1 (fr) 2020-06-24
JP2022510916A (ja) 2022-01-28
US20220056594A1 (en) 2022-02-24
CN113166952A (zh) 2021-07-23
CN113166952B (zh) 2023-05-23
WO2020127021A2 (fr) 2020-06-25
EP3899101A2 (fr) 2021-10-27

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