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
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KR1020217018329A
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English (en)
Korean (ko)
Inventor
안드레아스 불란
미카엘 그로스홀츠
Original Assignee
코베스트로 인텔렉쳐 프로퍼티 게엠베하 운트 콤파니 카게
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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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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/34Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031Porous electrodes
    • C25B11/032Gas diffusion electrodes
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • C25B11/081Electrodes 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
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B13/00Diaphragms; Spacing elements
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • C25B15/023Measuring, analysing or testing during electrolytic production
    • C25B15/025Measuring, analysing or testing during electrolytic production of electrolyte parameters
    • C25B15/027Temperature
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00Operating or servicing cells
    • C25B15/02Process control or regulation
    • C25B15/023Measuring, analysing or testing during electrolytic production
    • C25B15/025Measuring, analysing or testing during electrolytic production of electrolyte parameters
    • C25B15/029Concentration
    • C25B15/031Concentration pH
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/17Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
    • C25B9/19Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60Constructional parts of cells
    • C25B9/65Means 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

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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
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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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