IL102247A - Device and process for electrochemical decomposition of salt solutions - Google Patents

Device and process for electrochemical decomposition of salt solutions

Info

Publication number
IL102247A
IL102247A IL10224792A IL10224792A IL102247A IL 102247 A IL102247 A IL 102247A IL 10224792 A IL10224792 A IL 10224792A IL 10224792 A IL10224792 A IL 10224792A IL 102247 A IL102247 A IL 102247A
Authority
IL
Israel
Prior art keywords
solution
electrolyzer
salt
hydrogen
sodium
Prior art date
Application number
IL10224792A
Other languages
English (en)
Hebrew (he)
Original Assignee
Permelec Spa Nora
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 Permelec Spa Nora filed Critical Permelec Spa Nora
Publication of IL102247A publication Critical patent/IL102247A/en

Links

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
    • 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
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
    • 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
    • C25B1/14—Alkali metal compounds
    • C25B1/16—Hydroxides
    • 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
    • C25B1/22—Inorganic acids
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
IL10224792A 1991-06-27 1992-06-18 Device and process for electrochemical decomposition of salt solutions IL102247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911765A IT1248564B (it) 1991-06-27 1991-06-27 Processo di decomposizione elettrochimica di sali neutri senza co-produzione di alogeni o di acido e cella di elettrolisi adatta per la sua realizzazione.

Publications (1)

Publication Number Publication Date
IL102247A true IL102247A (en) 1996-06-18

Family

ID=11360215

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10224792A IL102247A (en) 1991-06-27 1992-06-18 Device and process for electrochemical decomposition of salt solutions

Country Status (24)

Country Link
US (2) US5595641A (ru)
EP (2) EP0591350B1 (ru)
JP (1) JP3182216B2 (ru)
KR (1) KR940701466A (ru)
CN (1) CN1067931A (ru)
AR (1) AR246560A1 (ru)
AT (1) ATE145018T1 (ru)
AU (1) AU663717B2 (ru)
BR (1) BR9206192A (ru)
CA (1) CA2112100A1 (ru)
CZ (1) CZ289193A3 (ru)
DE (1) DE69215093T2 (ru)
FI (1) FI935818A (ru)
HU (1) HU212211B (ru)
IL (1) IL102247A (ru)
IT (1) IT1248564B (ru)
MX (1) MX9203527A (ru)
NZ (1) NZ243305A (ru)
RU (1) RU2107752C1 (ru)
SK (1) SK145893A3 (ru)
TR (1) TR26992A (ru)
TW (1) TW230226B (ru)
WO (1) WO1993000460A1 (ru)
ZA (1) ZA924771B (ru)

Families Citing this family (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3236693B2 (ja) * 1993-02-18 2001-12-10 ペルメレック電極株式会社 ガス電極を使用する電解槽及び電解方法
US5770033A (en) * 1993-07-13 1998-06-23 Lynntech, Inc. Methods and apparatus for using gas and liquid phase cathodic depolarizers
US5961795A (en) * 1993-11-22 1999-10-05 E. I. Du Pont De Nemours And Company Electrochemical cell having a resilient flow field
AU1467597A (en) * 1995-12-28 1997-07-28 E.I. Du Pont De Nemours And Company Production of carbonyl halide
US5904829A (en) * 1997-08-18 1999-05-18 Ppg Industries, Inc. Method of converting amine hydrohalide into free amine
US5906722A (en) * 1997-08-18 1999-05-25 Ppg Industries, Inc. Method of converting amine hydrohalide into free amine
US5900133A (en) * 1997-08-18 1999-05-04 Ppg Industries, Inc. Method of converting amine hydrohalide into free amine
US5882501A (en) * 1997-08-18 1999-03-16 Ppg Industries, Inc. Method of converting amine hydrohalide into free amine
US5928488A (en) * 1997-08-26 1999-07-27 David S. Newman Electrolytic sodium sulfate salt splitter comprising a polymeric ion conductor
DE19844059A1 (de) 1998-09-25 2000-03-30 Degussa Elektrolysezelle und deren Verwendung
DE10004878A1 (de) * 2000-02-04 2001-08-09 Sgl Technik Gmbh Verfahren und Vorrichtung zum gleichzeitigen Herstellen von Säure und Base hoher Reinheit
JP2001236968A (ja) * 2000-02-23 2001-08-31 Asahi Kasei Corp 燃料電池型反応装置およびその使用方法
EP1188717B1 (en) * 2000-09-13 2011-06-15 Asahi Glass Co., Ltd. Method for producing an alkali metal hydroxide
EP1397531A1 (en) * 2001-06-15 2004-03-17 Akzo Nobel N.V. Electrolytic cell
US7141147B2 (en) 2001-06-15 2006-11-28 Akzo Nobel N.V. Electrolytic cell
DE10257186A1 (de) * 2002-12-06 2004-07-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von beschichteten Streckmetallen und Verwendung solcher Metalle als Stromableiter in elektrotechnischen Bauelementen
EP1770081A1 (en) 2003-11-20 2007-04-04 SOLVAY (Société Anonyme) Process for producing dichloropropanol from glycerol , the glycerol coming eventualy from the conversion of animal fats in the manufacture of biodiesel
TWI332942B (en) 2005-05-20 2010-11-11 Solvay Process for producing a chlorohydrin
KR20080037618A (ko) 2005-05-20 2008-04-30 솔베이(소시에떼아노님) 폴리히드록실화 지방족 탄화수소 및 염소화제 간의 반응에의한 클로로히드린 제조 방법
JP4761194B2 (ja) * 2005-08-10 2011-08-31 株式会社村田製作所 化成方法及び化成装置
JP5576045B2 (ja) 2005-11-08 2014-08-20 ソルヴェイ（ソシエテ アノニム） グリセロールの塩素化によるジクロロプロパノールの製造方法
JP5623739B2 (ja) 2006-06-14 2014-11-12 ソルヴェイ（ソシエテ アノニム） 粗グリセロールベース生成物、その精製方法およびジクロロプロパノールの製造におけるその使用方法
FR2904330B1 (fr) * 2006-07-25 2009-01-02 Commissariat Energie Atomique Dispositif d'electrolyse de l'eau et son utilisation pour produire de l'hydrogene
DE102007003554A1 (de) * 2007-01-24 2008-07-31 Bayer Materialscience Ag Verfahren zur Leistungsverbesserung von Nickelelektroden
FR2913421B1 (fr) 2007-03-07 2009-05-15 Solvay Procede de fabrication de dichloropropanol.
FR2913684B1 (fr) 2007-03-14 2012-09-14 Solvay Procede de fabrication de dichloropropanol
TW200911740A (en) 2007-06-01 2009-03-16 Solvay Process for manufacturing a chlorohydrin
TW200911693A (en) 2007-06-12 2009-03-16 Solvay Aqueous composition containing a salt, manufacturing process and use
TW200911773A (en) 2007-06-12 2009-03-16 Solvay Epichlorohydrin, manufacturing process and use
US7753618B2 (en) 2007-06-28 2010-07-13 Calera Corporation Rocks and aggregate, and methods of making and using the same
KR20100031112A (ko) 2007-06-28 2010-03-19 칼레라 코포레이션 카보네이트 화합물 침전을 포함하는 탈염 방법과 시스템
ITMI20071375A1 (it) * 2007-07-10 2009-01-11 Uhdenora Spa Collettore di corrente elastico per celle elettrochimiche
US8177946B2 (en) * 2007-08-09 2012-05-15 Lawrence Livermore National Security, Llc Electrochemical formation of hydroxide for enhancing carbon dioxide and acid gas uptake by a solution
EP2207617A1 (en) 2007-10-02 2010-07-21 SOLVAY (Société Anonyme) Use of compositions containing silicon for improving the corrosion resistance of vessels
WO2009072104A2 (en) * 2007-12-05 2009-06-11 Densbits Technologies Ltd. Flash memory device with physical cell value deterioration accommodation and methods useful in conjunction therewith
FR2925045B1 (fr) 2007-12-17 2012-02-24 Solvay Produit a base de glycerol, procede pour son obtention et son utilisation dans la fabrication de dichloropropanol
US7749476B2 (en) 2007-12-28 2010-07-06 Calera Corporation Production of carbonate-containing compositions from material comprising metal silicates
US7754169B2 (en) 2007-12-28 2010-07-13 Calera Corporation Methods and systems for utilizing waste sources of metal oxides
CA2652803A1 (en) 2007-12-28 2009-06-28 Calera Corporation Methods of sequestering co2
US20100239467A1 (en) * 2008-06-17 2010-09-23 Brent Constantz Methods and systems for utilizing waste sources of metal oxides
TWI478875B (zh) 2008-01-31 2015-04-01 Solvay 使水性組成物中之有機物質降解之方法
CA2718315A1 (en) 2008-04-03 2009-10-08 Solvay (Societe Anonyme) Composition comprising glycerol, process for obtaining same and use thereof in the manufacture of dichloropropanol
US20100144521A1 (en) * 2008-05-29 2010-06-10 Brent Constantz Rocks and Aggregate, and Methods of Making and Using the Same
US7993500B2 (en) 2008-07-16 2011-08-09 Calera Corporation Gas diffusion anode and CO2 cathode electrolyte system
EP2245214B1 (en) 2008-07-16 2014-10-15 Calera Corporation Electrochemical system and method for co2 utilization
CN104722466A (zh) 2008-07-16 2015-06-24 卡勒拉公司 使用二氧化碳气体的低能量4-电池电化学系统
EP2338136A1 (en) * 2008-09-11 2011-06-29 Calera Corporation Co2 commodity trading system and method
FR2935968B1 (fr) 2008-09-12 2010-09-10 Solvay Procede pour la purification de chlorure d'hydrogene
WO2010039903A1 (en) 2008-09-30 2010-04-08 Calera Corporation Co2-sequestering formed building materials
US7815880B2 (en) 2008-09-30 2010-10-19 Calera Corporation Reduced-carbon footprint concrete compositions
US7939336B2 (en) 2008-09-30 2011-05-10 Calera Corporation Compositions and methods using substances containing carbon
US8869477B2 (en) 2008-09-30 2014-10-28 Calera Corporation Formed building materials
US9133581B2 (en) 2008-10-31 2015-09-15 Calera Corporation Non-cementitious compositions comprising vaterite and methods thereof
EP2203241A4 (en) * 2008-10-31 2011-01-12 Calera Corp CEMENT-FREE COMPOSITIONS WITH CO2 SEQUESTRATION ADDITIVES
US20100150802A1 (en) * 2008-12-11 2010-06-17 Gilliam Ryan J Processing co2 utilizing a recirculating solution
EP2291550A1 (en) * 2008-12-23 2011-03-09 Calera Corporation Low-energy electrochemical hydroxide system and method
CA2696088A1 (en) * 2008-12-23 2010-06-23 Calera Corporation Low-energy electrochemical proton transfer system and method
US20110091366A1 (en) * 2008-12-24 2011-04-21 Treavor Kendall Neutralization of acid and production of carbonate-containing compositions
US20100258035A1 (en) * 2008-12-24 2010-10-14 Brent Constantz Compositions and methods using substances containing carbon
CA2696075A1 (en) * 2009-01-28 2010-07-28 Calera Corporation Low-energy electrochemical bicarbonate ion solution
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
CN101918614A (zh) * 2009-02-10 2010-12-15 卡勒拉公司 用氢和电催化电极低电压生产碱
US8883104B2 (en) 2009-03-02 2014-11-11 Calera Corporation Gas stream multi-pollutants control systems and methods
US20100229725A1 (en) * 2009-03-10 2010-09-16 Kasra Farsad Systems and Methods for Processing CO2
US20110147227A1 (en) * 2009-07-15 2011-06-23 Gilliam Ryan J Acid separation by acid retardation on an ion exchange resin in an electrochemical system
US7993511B2 (en) 2009-07-15 2011-08-09 Calera Corporation Electrochemical production of an alkaline solution using CO2
WO2011066293A1 (en) * 2009-11-30 2011-06-03 Calera Corporation Alkaline production using a gas diffusion anode with a hydrostatic pressure
CA2796904C (en) * 2010-04-22 2018-12-18 Spraying Systems Co. Electrolyzing system
US8486236B1 (en) * 2010-06-17 2013-07-16 Walter B. Warning Electrolysis chamber
US20130034489A1 (en) * 2011-02-14 2013-02-07 Gilliam Ryan J Electrochemical hydroxide system and method using fine mesh cathode
ITMI20110500A1 (it) * 2011-03-29 2012-09-30 Industrie De Nora Spa Cella per l elettrodialisi depolarizzata di soluzioni saline
US20120267256A1 (en) * 2011-04-20 2012-10-25 Eau Technologies, Inc. Independent production of electrolyzed acidic water and electrolyzed basic water
SA112330516B1 (ar) 2011-05-19 2016-02-22 كاليرا كوربوريشن انظمة وطرق هيدروكسيد كهروكيميائية مستخدمة لأكسدة المعدن
US9200375B2 (en) 2011-05-19 2015-12-01 Calera Corporation Systems and methods for preparation and separation of products
FR2976590B1 (fr) 2011-06-16 2014-06-13 Mp Technic Dispositif de fabrication ou de production d'hypochlorite de sodium ou d'acide hypochloreux et systeme de traiment des eaux en general
US8882972B2 (en) * 2011-07-19 2014-11-11 Ecolab Usa Inc Support of ion exchange membranes
CN102517600B (zh) * 2011-12-07 2014-08-13 四川大学 一种带毛动物皮或毛的电降解方法
CN107254689A (zh) * 2012-03-29 2017-10-17 卡勒拉公司 利用金属氧化的电化学氢氧化物系统和方法
CA3013134C (en) 2012-04-23 2021-05-18 Nemaska Lithium Inc. Process for preparing lithium sulphate
CA3109808A1 (en) 2012-05-30 2013-12-05 Nemaska Lithium Inc. System for preparing lithium carbonate from lithium hydroxide
EP2961863B1 (en) * 2013-02-28 2018-01-10 The Government of the United States of America, as represented by the Secretary of the Navy Electrochemical module configuration for the continuous acidification of alkaline water sources and recovery of co2 with continuous hydrogen gas production
WO2014138933A1 (en) 2013-03-15 2014-09-18 Nemaska Lithium Inc. Processes for preparing lithium hydroxide
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
ITMI20131521A1 (it) * 2013-09-16 2015-03-17 Industrie De Nora Spa Cella elettrolitica per produzione di soluzioni ossidanti
CA2996154C (en) 2013-10-23 2023-02-07 Nemaska Lithium Inc. Process for preparing lithium hydroxide via two electrochemical cells
CN105849317B (zh) 2013-10-23 2018-11-27 内玛斯卡锂公司 制备氢氧化锂的方法和系统
CN114990603B (zh) 2014-01-15 2024-02-06 蒂森克虏伯新纪元氯氢有限公司 离子交换膜电解槽
EP3492632B1 (en) 2014-02-24 2020-12-09 Nemaska Lithium Inc. Methods for treating lithium-containing materials
CN107109672B (zh) 2014-09-15 2019-09-27 卡勒拉公司 使用金属卤化物形成产物的电化学系统和方法
CN104591100A (zh) * 2015-01-15 2015-05-06 贵州大学 膜分离法利用磷石膏制备硫酸的方法
CN104726891B (zh) * 2015-03-16 2017-01-11 中国科学院广州能源研究所 一种具有内部消氢功能的质子交换膜水电解器及其制作方法
KR102559772B1 (ko) 2015-08-27 2023-07-25 네마스카 리튬 인코포레이션 리튬 함유 물질 처리 방법
US10266954B2 (en) 2015-10-28 2019-04-23 Calera Corporation Electrochemical, halogenation, and oxyhalogenation systems and methods
EP3332051A1 (en) * 2016-07-25 2018-06-13 Dioxide Materials, Inc. Methods and systems for production of chlorine and caustic using oxygen depolarized cathode
CA2940509A1 (en) 2016-08-26 2018-02-26 Nemaska Lithium Inc. Processes for treating aqueous compositions comprising lithium sulfate and sulfuric acid
US10619254B2 (en) 2016-10-28 2020-04-14 Calera Corporation Electrochemical, chlorination, and oxychlorination systems and methods to form propylene oxide or ethylene oxide
CN106757132A (zh) * 2017-01-12 2017-05-31 精迪敏健康医疗科技有限公司 电解设备
CN107012477A (zh) * 2017-02-28 2017-08-04 郭富强 盐溶液分离出碱和酸的方法
WO2018195275A1 (en) * 2017-04-19 2018-10-25 Ph Matter, Llc Electrochemical cell and method of using same
US10556848B2 (en) 2017-09-19 2020-02-11 Calera Corporation Systems and methods using lanthanide halide
CA3083136C (en) 2017-11-22 2022-04-12 Nemaska Lithium Inc. Processes for preparing hydroxides and oxides of various metals and derivatives thereof
US10590054B2 (en) 2018-05-30 2020-03-17 Calera Corporation Methods and systems to form propylene chlorohydrin from dichloropropane using Lewis acid
CN112969822A (zh) * 2018-08-20 2021-06-15 泰利斯纳诺能量公司 用于制备高压且高纯度的气态氢的模块化电解单元
CN109487296B (zh) * 2018-11-16 2021-03-16 核工业第八研究所 一种用于连接导电柱的柔性桥接板
JP7232158B2 (ja) * 2019-09-05 2023-03-02 デノラ・ペルメレック株式会社 酸性水溶液の製造装置及び酸性水溶液の製造方法
DE102019218297A1 (de) * 2019-11-26 2021-05-27 Siemens Aktiengesellschaft Elektrolyse-Anlage und Betriebsverfahren für eine Elektrolyse-Anlage zur elektrochemischen Reduktion von Kohlendioxid
CN111364055B (zh) * 2020-01-17 2021-04-20 华中科技大学 一种基于硫酸钠电解的磷石膏处理装置及方法
CN111320317A (zh) * 2020-03-13 2020-06-23 北京洁绿环境科技股份有限公司 一种老龄填埋场渗滤液的处理方法
AT523650B1 (de) * 2020-09-10 2021-10-15 Univ Linz Arbeitselektrode zur Direktreduktion von Carbonaten zu Kohlenwasserstoffen in einem wässrigen Carbonat-Elektrolyten
US11339483B1 (en) 2021-04-05 2022-05-24 Alchemr, Inc. Water electrolyzers employing anion exchange membranes
WO2023250495A2 (en) * 2022-06-24 2023-12-28 Sublime Systems, Inc. Low voltage electrolyzer and methods of using thereof
WO2024026396A2 (en) * 2022-07-28 2024-02-01 The Johns Hopkins University Electrolyzers and use of the same for carbon dioxide capture and mining

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE594986A (ru) 1959-09-28
US4076604A (en) * 1975-10-13 1978-02-28 Kureha Kagaku Kogyo Kabushiki Kaisha Process for the electrolytic treatment of alkali halide
US4212712A (en) * 1975-11-19 1980-07-15 Kureha Kagaku Kogyo Kabushiki Kaisha Process for the electrolytic treatment of alkali metal halide solution using ion exchange membranes
US4224121A (en) 1978-07-06 1980-09-23 General Electric Company Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
US4214958A (en) * 1979-05-14 1980-07-29 General Electric Company Electrolysis of alkali metal halides in a three-compartment cell with a pressurized buffer compartment
IT1122699B (it) * 1979-08-03 1986-04-23 Oronzio De Nora Impianti Collettore elettrico resiliente e cella elettrochimica ad elettrolita solido comprendente lo stesso
US4340452A (en) * 1979-08-03 1982-07-20 Oronzio deNora Elettrochimici S.p.A. Novel electrolysis cell
US4299673A (en) * 1979-12-27 1981-11-10 Broniewski Bogdan M Method of concentrating alkali metal hydroxide in hybrid cells having cation selective diffusion barriers
JPS5693883A (en) * 1979-12-27 1981-07-29 Permelec Electrode Ltd Electrolytic apparatus using solid polymer electrolyte diaphragm and preparation thereof
US4299674A (en) * 1980-06-02 1981-11-10 Ppg Industries, Inc. Process for electrolyzing an alkali metal halide using a solid polymer electrolyte cell
US4331521A (en) * 1981-01-19 1982-05-25 Oronzio Denora Impianti Elettrochimici S.P.A. Novel electrolytic cell and method
JPS5842778A (ja) * 1981-09-09 1983-03-12 Toyo Soda Mfg Co Ltd 電解方法
JPS59159991A (ja) * 1983-03-03 1984-09-10 Japan Storage Battery Co Ltd イオン交換膜と電極とを一体に接合する方法
US4636289A (en) 1983-05-02 1987-01-13 Allied Corporation Solution mining of sodium minerals with acids generated by electrodialytic water splitting
US4561945A (en) * 1984-07-30 1985-12-31 United Technologies Corporation Electrolysis of alkali metal salts with hydrogen depolarized anodes
US4565612A (en) * 1984-12-10 1986-01-21 The Dow Chemical Company Process for reducing sulphate ion concentration in aqueous sodium hydroxide solutions
US4732660A (en) * 1985-09-09 1988-03-22 The Dow Chemical Company Membrane electrolyzer
JP2648313B2 (ja) * 1987-11-30 1997-08-27 田中貴金属工業株式会社 電解方法
US4927514A (en) 1988-09-01 1990-05-22 Eltech Systems Corporation Platinum black air cathode, method of operating same, and layered gas diffusion electrode of improved inter-layer bonding
DE4009410A1 (de) * 1990-03-23 1991-09-26 Basf Ag Verfahren zur elektrochemischen spaltung von alkali sulfaten
US5256261A (en) * 1992-08-21 1993-10-26 Sterling Canada, Inc. Membrane cell operation

Also Published As

Publication number Publication date
JP3182216B2 (ja) 2001-07-03
RU2107752C1 (ru) 1998-03-27
NZ243305A (en) 1994-06-27
ZA924771B (en) 1993-03-31
IT1248564B (it) 1995-01-19
AU663717B2 (en) 1995-10-19
CA2112100A1 (en) 1993-01-07
DE69215093D1 (de) 1996-12-12
CN1067931A (zh) 1993-01-13
ATE145018T1 (de) 1996-11-15
FI935818A0 (fi) 1993-12-23
BR9206192A (pt) 1994-11-08
TW230226B (ru) 1994-09-11
US5595641A (en) 1997-01-21
ITMI911765A0 (it) 1991-06-27
EP0591350B1 (en) 1996-11-06
EP0522382A1 (en) 1993-01-13
MX9203527A (es) 1992-12-01
HU212211B (en) 1996-04-29
HUT66157A (en) 1994-09-28
ITMI911765A1 (it) 1992-12-27
HU9303700D0 (en) 1994-04-28
DE69215093T2 (de) 1997-06-12
JPH05214573A (ja) 1993-08-24
AR246560A1 (es) 1994-08-31
FI935818A (fi) 1993-12-23
AU2165592A (en) 1993-01-25
CZ289193A3 (en) 1994-04-13
US5776328A (en) 1998-07-07
SK145893A3 (en) 1994-07-06
EP0591350A1 (en) 1994-04-13
TR26992A (tr) 1994-09-13
WO1993000460A1 (en) 1993-01-07
KR940701466A (ko) 1994-05-28

Similar Documents

Publication Publication Date Title
US5595641A (en) Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid
CA2128898C (en) Methods of producing caustic soda without chlorine
US4224121A (en) Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
US5106465A (en) Electrochemical process for producing chlorine dioxide solutions from chlorites
EP0636051B1 (en) Apparatus comprising a water ionizing electrode and process of use of said apparatus
US5437771A (en) Electrolytic cell and processes for producing alkali hydroxide and hydrogen peroxide
CA2250527C (en) Electrolytic process for producing chlorine dioxide
IL40630A (en) Electrolytic production of alkali metal hydroxide with a high degree of purity
US4455203A (en) Process for the electrolytic production of hydrogen peroxide
WO1991009158A1 (en) Electrochemical process for producing chlorine dioxide solutions from chlorites
KR20220079553A (ko) 염소, 일산화탄소 및 임의로 수소의 생산을 위한 방법 및 전기분해 장치
US7083708B2 (en) Oxygen-consuming chlor alkali cell configured to minimize peroxide formation
US5089095A (en) Electrochemical process for producing chlorine dioxide from chloric acid
US4956061A (en) Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
EP1120481B1 (en) Method for electrolysis of alkali chloride
US4772364A (en) Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
US5242554A (en) Electrolytic production of chloric acid and sodium chlorate mixtures for the generation of chlorine dioxide
US4269675A (en) Electrolyte series flow in electrolytic chlor-alkali cells
EP0004191B1 (en) Chloralkali electrolytic cell and method for operating same
JPH10140383A (ja) 電極給電体、その製造方法及び過酸化水素製造用電解槽
JP3420790B2 (ja) 塩化アルカリ電解用電解槽及び電解方法
US4569735A (en) Production of halogens by electrolysis of alkali metal halides in an electrolysis cell having catalytic electrodes bonded to the surface of a solid polymer electrolyte membrane
Simmrock Hydroxyl Ion Migration, Chemical Reactions, Water Transport and Other Effects As Optimizing Parameters In Cross-, Co-And Countercurrently Operated Membrane Cells For The Chlor/Alkali Electrolysis
HU182493B (en) Process and electrolytic cell for preparing elementary halogens from aqueous solutions containing halide ions

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees