CA2194115C - Method for the electrolysis of aqueous solutions of hydrochloric acid - Google Patents

Method for the electrolysis of aqueous solutions of hydrochloric acid Download PDF

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Publication number
CA2194115C
CA2194115C CA002194115A CA2194115A CA2194115C CA 2194115 C CA2194115 C CA 2194115C CA 002194115 A CA002194115 A CA 002194115A CA 2194115 A CA2194115 A CA 2194115A CA 2194115 C CA2194115 C CA 2194115C
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CA
Canada
Prior art keywords
hydrochloric acid
cathode
titanium
anode
compartment
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.)
Expired - Lifetime
Application number
CA002194115A
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English (en)
French (fr)
Other versions
CA2194115A1 (en
Inventor
Giuseppe Faita
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.)
Uhdenora Technologies SRL
Original Assignee
Uhdenora Technologies SRL
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 Uhdenora Technologies SRL filed Critical Uhdenora Technologies SRL
Publication of CA2194115A1 publication Critical patent/CA2194115A1/en
Application granted granted Critical
Publication of CA2194115C publication Critical patent/CA2194115C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
CA002194115A 1996-01-19 1996-12-30 Method for the electrolysis of aqueous solutions of hydrochloric acid Expired - Lifetime CA2194115C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI000086A IT1282367B1 (it) 1996-01-19 1996-01-19 Migliorato metodo per l'elettrolisi di soluzioni acquose di acido cloridrico
ITMI96A000086 1996-01-19

Publications (2)

Publication Number Publication Date
CA2194115A1 CA2194115A1 (en) 1997-07-20
CA2194115C true CA2194115C (en) 2005-07-26

Family

ID=11372956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002194115A Expired - Lifetime CA2194115C (en) 1996-01-19 1996-12-30 Method for the electrolysis of aqueous solutions of hydrochloric acid

Country Status (14)

Country Link
US (1) US5770035A (h)
EP (1) EP0785294B1 (h)
JP (1) JP3851397B2 (h)
CN (1) CN1084395C (h)
AT (1) ATE207136T1 (h)
BR (1) BR9700712A (h)
CA (1) CA2194115C (h)
DE (1) DE69707320T2 (h)
ES (1) ES2166016T3 (h)
HU (1) HUP9700038A3 (h)
IT (1) IT1282367B1 (h)
PL (1) PL185834B1 (h)
RU (1) RU2169795C2 (h)
TW (1) TW351731B (h)

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DE19755636A1 (de) 1997-12-15 1999-06-17 Bayer Ag Verfahren zur elektrochemischen Aufarbeitung von HCl-Gas zu hochreinem Chlor
US6149782A (en) * 1999-05-27 2000-11-21 De Nora S.P.A Rhodium electrocatalyst and method of preparation
US6402930B1 (en) * 1999-05-27 2002-06-11 De Nora Elettrodi S.P.A. Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes
ITMI20010402A1 (it) * 2001-02-28 2002-08-28 De Nora Elettrodi Spa Nuova composizione elettrocatalitica per catodo depolarizzato ad ossigeno
ITMI20010401A1 (it) * 2001-02-28 2002-08-28 Nora Tecnologie Elettrochimich Nuovo assieme bipolare per elettrolizzatore a filtro-pressa
DE10138215A1 (de) * 2001-08-03 2003-02-20 Bayer Ag Verfahren zur elektrochemischen Herstellung von Chlor aus wässrigen Lösungen von Chlorwasserstoff
DE10138214A1 (de) * 2001-08-03 2003-02-20 Bayer Ag Elektrolysezelle und Verfahren zur elektrochemischen Herstellung von Chlor
DE10148600A1 (de) * 2001-10-02 2003-04-10 Bayer Ag Einbau einer Gasdiffusionselektrode in einen Elektrolyseur
DE10149779A1 (de) 2001-10-09 2003-04-10 Bayer Ag Verfahren zur Rückführung von Prozessgas in elektrochemischen Prozessen
DE10152275A1 (de) * 2001-10-23 2003-04-30 Bayer Ag Verfahren zur Elektrolyse von wässrigen Lösungen aus Chlorwasserstoff
DE10200072A1 (de) * 2002-01-03 2003-07-31 Bayer Ag Elektroden für die Elektrolyse in sauren Medien
DE10201291A1 (de) * 2002-01-15 2003-07-31 Krauss Maffei Kunststofftech Verfahren zum Herstellen von schlagzähmodifizierten Thermoplast-Kunststoffteilen
DE10203689A1 (de) * 2002-01-31 2003-08-07 Bayer Ag Kathodischer Stromverteiler für Elektrolysezellen
DE10234806A1 (de) * 2002-07-31 2004-02-19 Bayer Ag Elektrochemische Zelle
US20040035696A1 (en) * 2002-08-21 2004-02-26 Reinhard Fred P. Apparatus and method for membrane electrolysis for process chemical recycling
CA2408951C (en) * 2002-10-18 2008-12-16 Kvaerner Canada Inc. Mediated hydrohalic acid electrolysis
DE10335184A1 (de) * 2003-07-30 2005-03-03 Bayer Materialscience Ag Elektrochemische Zelle
DE10342148A1 (de) * 2003-09-12 2005-04-07 Bayer Materialscience Ag Verfahren zur Elektrolyse einer wässrigen Lösung von Chlorwasserstoff oder Alkalichlorid
DE10347703A1 (de) * 2003-10-14 2005-05-12 Bayer Materialscience Ag Konstruktionseinheit für bipolare Elektrolyseure
DE102007044171A1 (de) * 2007-09-15 2009-03-19 Bayer Materialscience Ag Verfahren zur Herstellung von Graphitelektroden für elektrolytische Prozesse
DE102008011473A1 (de) * 2008-02-27 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat
DE102008015901A1 (de) * 2008-03-27 2009-10-01 Bayer Technology Services Gmbh Elektrolysezelle zur Chlorwasserstoffelektrolyse
JP5437651B2 (ja) * 2009-01-30 2014-03-12 東ソー株式会社 イオン交換膜法電解槽及びその製造方法
DE102009023539B4 (de) 2009-05-30 2012-07-19 Bayer Materialscience Aktiengesellschaft Verfahren und Vorrichtung zur Elektrolyse einer wässerigen Lösung von Chlorwasserstoff oder Alkalichlorid in einer Elektrolysezelle
US9551076B2 (en) * 2011-05-31 2017-01-24 Clean Chemistry, Inc. Electrochemical reactor and process
US8562810B2 (en) 2011-07-26 2013-10-22 Ecolab Usa Inc. On site generation of alkalinity boost for ware washing applications
US9517955B2 (en) 2012-09-07 2016-12-13 Clean Chemistry, Llc System and method for generation of point of use reactive oxygen species
ITMI20130563A1 (it) * 2013-04-10 2014-10-11 Uhdenora Spa Metodo di adeguamento di celle elettrolitiche aventi distanze interelettrodiche finite
DE102013009230A1 (de) 2013-05-31 2014-12-04 Otto-von-Guericke-Universität Verfahren und Membranreaktor zur Herstellung von Chlor aus Chlorwasserstoffgas
AU2015311692B2 (en) 2014-09-04 2020-10-08 Clean Chemistry, Inc. Method of water treatment utilizing a peracetate oxidant solution
WO2016154531A1 (en) 2015-03-26 2016-09-29 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
US20170159237A1 (en) 2015-12-07 2017-06-08 Clean Chemistry Methods of pulp fiber treatment
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
CN106216360A (zh) * 2016-08-16 2016-12-14 南京格洛特环境工程股份有限公司 一种副产品盐的精制及资源化利用方法
EP3351513A1 (de) * 2017-01-20 2018-07-25 Covestro Deutschland AG Verfahren und vorrichtung zur kontinuierlichen salzsäureneutralisation
EP3351505A1 (de) * 2017-01-20 2018-07-25 Covestro Deutschland AG Verfahren zur flexiblen steuerung der verwendung von salzsäure aus chemischer produktion
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11001864B1 (en) 2017-09-07 2021-05-11 Clean Chemistry, Inc. Bacterial control in fermentation systems
CN113388849B (zh) * 2021-06-18 2024-02-13 蓝星(北京)化工机械有限公司 离子膜法盐酸电解方法

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US2468766A (en) * 1944-04-07 1949-05-03 Fmc Corp Recovery of chlorine from hydrogen chloride
DE1277216B (de) * 1966-01-03 1968-09-12 Hoechst Ag Verfahren zur Foerderung der Rueckoxydation von kathodisch reduzierten Metallverbindungen bei der Elektrolyse von waessriger Salzsaeure
US3485707A (en) * 1966-05-31 1969-12-23 Goodrich Co B F Belt
US3711385A (en) * 1970-09-25 1973-01-16 Chemnor Corp Electrode having platinum metal oxide coating thereon,and method of use thereof
US4191618A (en) * 1977-12-23 1980-03-04 General Electric Company Production of halogens in an electrolysis cell with catalytic electrodes bonded to an ion transporting membrane and an oxygen depolarized cathode
JPS6039757B2 (ja) * 1979-02-02 1985-09-07 クロリンエンジニアズ株式会社 塩酸の電解方法
JPS57194284A (en) * 1981-05-27 1982-11-29 Asahi Glass Co Ltd Electrolyzing method
IT1151365B (it) 1982-03-26 1986-12-17 Oronzio De Nora Impianti Anodo per procedimenti elettrilitici
US5411641A (en) * 1993-11-22 1995-05-02 E. I. Du Pont De Nemours And Company Electrochemical conversion of anhydrous hydrogen halide to halogen gas using a cation-transporting membrane

Also Published As

Publication number Publication date
RU2169795C2 (ru) 2001-06-27
US5770035A (en) 1998-06-23
ES2166016T3 (es) 2002-04-01
BR9700712A (pt) 1998-09-01
CN1172868A (zh) 1998-02-11
PL317988A1 (en) 1997-07-21
HU9700038D0 (en) 1997-02-28
JP3851397B2 (ja) 2006-11-29
HUP9700038A3 (en) 1998-07-28
IT1282367B1 (it) 1998-03-20
EP0785294B1 (en) 2001-10-17
DE69707320D1 (de) 2001-11-22
ITMI960086A0 (h) 1996-01-19
PL185834B1 (pl) 2003-08-29
ATE207136T1 (de) 2001-11-15
JPH09195078A (ja) 1997-07-29
HUP9700038A2 (en) 1997-10-28
DE69707320T2 (de) 2002-07-04
ITMI960086A1 (it) 1997-07-19
EP0785294A1 (en) 1997-07-23
CA2194115A1 (en) 1997-07-20
MX9700478A (es) 1997-07-31
TW351731B (en) 1999-02-01
CN1084395C (zh) 2002-05-08

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Effective date: 20161230