JPS56152979A - Electrolytic process for aqueous alkali chloride solution - Google Patents

Electrolytic process for aqueous alkali chloride solution

Info

Publication number
JPS56152979A
JPS56152979A JP5363580A JP5363580A JPS56152979A JP S56152979 A JPS56152979 A JP S56152979A JP 5363580 A JP5363580 A JP 5363580A JP 5363580 A JP5363580 A JP 5363580A JP S56152979 A JPS56152979 A JP S56152979A
Authority
JP
Japan
Prior art keywords
chamber
cathode
gas
alkali chloride
aqueous alkali
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.)
Pending
Application number
JP5363580A
Other languages
Japanese (ja)
Inventor
Michiji Okai
Kazunari Igawa
Yoichi Hiraga
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co Ltd
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 Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Priority to JP5363580A priority Critical patent/JPS56152979A/en
Publication of JPS56152979A publication Critical patent/JPS56152979A/en
Pending legal-status Critical Current

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  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

PURPOSE: To produce caustic alkali without substantially producing H2 in a cathode chamber by electrolyzing an aqueous alkali chloride soln. while passing gaseous O2 contg. air into the cathode consisting of a gas diffusion electrode.
CONSTITUTION: An electrolytic chamber 1 is constituted of an anode chamber 1 having the anode 2, a cathode chamber 4 and a gas chamber 5. The chamber 3 and chamber 4 are partitioned by a diaphragm 6 and the chamber 4 and chamber 5 by a gas diffusion electrode 7, respectively. Also, the gas diffusion electrode 7 as the cathode is provided in the chamber 4, and a catalyst that accelerates the formation of OH- and/or the reaction of O2 and water (e.g.; Dd) is present in this cathode 7. At the time of electrolyzing alkali chloride in this tank, a gas 22 contg. air is supplied 11 into the chamber 5, is passed through the inside of the cathode 7, and is caused to react with water on the electrode 7 surface, whereby caustic alkali is formed in the chamber 4. In this case, said gas is to be produced as bubbles from the cathode 7 surface into catholyte and the O2 concn. in the bubbles is required to be maintained at ≥5vol%.
COPYRIGHT: (C)1981,JPO&Japio
JP5363580A 1980-04-24 1980-04-24 Electrolytic process for aqueous alkali chloride solution Pending JPS56152979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5363580A JPS56152979A (en) 1980-04-24 1980-04-24 Electrolytic process for aqueous alkali chloride solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5363580A JPS56152979A (en) 1980-04-24 1980-04-24 Electrolytic process for aqueous alkali chloride solution

Publications (1)

Publication Number Publication Date
JPS56152979A true JPS56152979A (en) 1981-11-26

Family

ID=12948355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5363580A Pending JPS56152979A (en) 1980-04-24 1980-04-24 Electrolytic process for aqueous alkali chloride solution

Country Status (1)

Country Link
JP (1) JPS56152979A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002026636A1 (en) * 2000-09-29 2002-04-04 Aqua Butzke Gmbh Device for electrolytic water disinfection without cathodic hydrogen evolution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002026636A1 (en) * 2000-09-29 2002-04-04 Aqua Butzke Gmbh Device for electrolytic water disinfection without cathodic hydrogen evolution

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