EP2639337A3 - Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden - Google Patents

Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden Download PDF

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Publication number
EP2639337A3
EP2639337A3 EP13158544.0A EP13158544A EP2639337A3 EP 2639337 A3 EP2639337 A3 EP 2639337A3 EP 13158544 A EP13158544 A EP 13158544A EP 2639337 A3 EP2639337 A3 EP 2639337A3
Authority
EP
European Patent Office
Prior art keywords
electrolysis
oxygen consumption
alkali chlorides
consumption electrodes
electrodes
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.)
Withdrawn
Application number
EP13158544.0A
Other languages
English (en)
French (fr)
Other versions
EP2639337A2 (de
Inventor
Andreas Bulan
Rainer Weber
Jürgen KINTRUP
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.)
Covestro Deutschland AG
Original Assignee
Bayer Intellectual Property GmbH
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 Bayer Intellectual Property GmbH filed Critical Bayer Intellectual Property GmbH
Publication of EP2639337A2 publication Critical patent/EP2639337A2/de
Publication of EP2639337A3 publication Critical patent/EP2639337A3/de
Withdrawn legal-status Critical Current

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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
    • C25B15/00—Operating or servicing cells
    • C25B15/02—Process control or regulation
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

Es werden Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden mit besonderen Betriebsparameter für die Inbetriebnahme und Außerbetriebnahme beschrieben, bei deren Einhaltung Schäden an Bestandteilen der Elektrolysezelle vermieden werden.
EP13158544.0A 2012-03-15 2013-03-11 Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden Withdrawn EP2639337A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210204040 DE102012204040A1 (de) 2012-03-15 2012-03-15 Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden

Publications (2)

Publication Number Publication Date
EP2639337A2 EP2639337A2 (de) 2013-09-18
EP2639337A3 true EP2639337A3 (de) 2015-06-10

Family

ID=47843156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13158544.0A Withdrawn EP2639337A3 (de) 2012-03-15 2013-03-11 Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden

Country Status (5)

Country Link
US (1) US9273404B2 (de)
EP (1) EP2639337A3 (de)
JP (1) JP6315884B2 (de)
CN (1) CN103305861B (de)
DE (1) DE102012204040A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9200375B2 (en) 2011-05-19 2015-12-01 Calera Corporation Systems and methods for preparation and separation of products
TWI633206B (zh) 2013-07-31 2018-08-21 卡利拉股份有限公司 使用金屬氧化物之電化學氫氧化物系統及方法
US11090606B2 (en) 2013-12-05 2021-08-17 Dionex Corporation Gas-less electrolytic device and method
CA2958089C (en) 2014-09-15 2021-03-16 Calera Corporation Electrochemical systems and methods using metal halide to form products
JP6438741B2 (ja) * 2014-11-07 2018-12-19 旭化成株式会社 電解システムの電気絶縁方法
EP3368502B1 (de) 2015-10-28 2020-09-02 Calera Corporation Elektrochemische halogenierungs- und oxyhalogenierungssysteme und verfahren
US10619254B2 (en) 2016-10-28 2020-04-14 Calera Corporation Electrochemical, chlorination, and oxychlorination systems and methods to form propylene oxide or ethylene oxide
US10556848B2 (en) 2017-09-19 2020-02-11 Calera Corporation Systems and methods using lanthanide halide
US10590054B2 (en) 2018-05-30 2020-03-17 Calera Corporation Methods and systems to form propylene chlorohydrin from dichloropropane using Lewis acid
EP3670706B1 (de) * 2018-12-18 2024-02-21 Covestro Deutschland AG Verfahren zur membran-elektrolyse von alkalichloridlösungen mit gasdiffusionselektrode
CN109607705B (zh) * 2019-02-01 2021-08-24 白银原点科技有限公司 一种工业水脱氯方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558413A (en) * 1978-06-30 1980-01-22 Toagosei Chem Ind Co Ltd Protecting method of stop electrolytic cell
US4379034A (en) * 1981-05-08 1983-04-05 Diamond Shamrock Corporation Start-up procedure for oxygen electrode
US6368473B1 (en) * 1998-08-25 2002-04-09 Nagakazu Furuya Soda electrolytic cell provided with gas diffusion electrode
JP2002275670A (ja) * 2001-03-13 2002-09-25 Association For The Progress Of New Chemistry イオン交換膜電解槽および電解方法
US20050000798A1 (en) * 2001-11-12 2005-01-06 Giuseppe Faita Electrolysis cell with gas diffusion electrode

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962065A (en) * 1974-05-28 1976-06-08 Scoville Frank J Chlorine gas or hypochlorite producing apparatus
US3974047A (en) * 1975-06-02 1976-08-10 The B. F. Goodrich Company Electrolytic cation exchange process for conjoint manufacture of chlorine and phosphate salts
US4364806A (en) 1981-05-08 1982-12-21 Diamond Shamrock Corporation Gas electrode shutdown procedure
DE3401637A1 (de) * 1984-01-19 1985-07-25 Hoechst Ag, 6230 Frankfurt Verfahren zum elektrolysieren von fluessigen elektrolyten
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
JPH0715152B2 (ja) * 1992-03-13 1995-02-22 長一 古屋 酸素陰極の保護方法
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
JP2946328B1 (ja) * 1998-08-25 1999-09-06 長一 古屋 食塩電解方法及び電解槽
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.
CN1410597A (zh) * 2001-09-25 2003-04-16 成都希望电子研究所 一种制备氢氧化钾的方法
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
JP4834329B2 (ja) * 2005-05-17 2011-12-14 クロリンエンジニアズ株式会社 イオン交換膜型電解槽
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
JP5031336B2 (ja) * 2006-11-21 2012-09-19 ペルメレック電極株式会社 食塩電解用酸素ガス拡散陰極

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS558413A (en) * 1978-06-30 1980-01-22 Toagosei Chem Ind Co Ltd Protecting method of stop electrolytic cell
US4379034A (en) * 1981-05-08 1983-04-05 Diamond Shamrock Corporation Start-up procedure for oxygen electrode
US6368473B1 (en) * 1998-08-25 2002-04-09 Nagakazu Furuya Soda electrolytic cell provided with gas diffusion electrode
JP2002275670A (ja) * 2001-03-13 2002-09-25 Association For The Progress Of New Chemistry イオン交換膜電解槽および電解方法
US20050000798A1 (en) * 2001-11-12 2005-01-06 Giuseppe Faita Electrolysis cell with gas diffusion electrode

Also Published As

Publication number Publication date
EP2639337A2 (de) 2013-09-18
JP2013194321A (ja) 2013-09-30
US9273404B2 (en) 2016-03-01
CN103305861B (zh) 2017-08-11
DE102012204040A1 (de) 2013-09-19
US20130240370A1 (en) 2013-09-19
JP6315884B2 (ja) 2018-04-25
CN103305861A (zh) 2013-09-18

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