VERFAHREN ZUR HERSTELLUNG VON KONZENTRIERTER ALKALIHYDROXIDLOESUNG UND CHLOR

The process according to the present invention relates to the production of a concentrated solution of sodium hydroxide and chlorine which comprises electrochemical decomposition of a concentrated solution of sodium chloride with a concentration of from 4.3 to 5.3 mol/l at a temperature within the r...

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Bibliographic Details
Main Authors KUBASOV,VLADIMIR L.,SU, LVOVIC,FLORENTIJ I.,SU, DRUZININ,ERNEST A.,SU, ZIMIN,VLADIMIR M.,SU, MAZANKO,ANATOLIJ F.,SU, GOLUBKOV,SERGEJ V.,SU
Format Patent
LanguageGerman
Published 27.11.1985
Edition4
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
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Summary:The process according to the present invention relates to the production of a concentrated solution of sodium hydroxide and chlorine which comprises electrochemical decomposition of a concentrated solution of sodium chloride with a concentration of from 4.3 to 5.3 mol/l at a temperature within the range of from 90 DEG to 108 DEG C. with the degree of decomposition of sodium chloride of 0.9 to 1.0 and the rate of flow of the solution of sodium chloride through a filtering diaphragm of from 3 to 5 ml/hr per 1 A of the electrolysis current, followed by removing the electrolysis products from the process. The process according to the present invention makes it possible to substantially simplify the known procedure of chlorine manufacture, since it ensures obtaining the final commercial product directly in the electrolysis, thus avoiding the stage of evaporation.
Bibliography:Application Number: DD19820239646