PLANT FOR DECARBONIZATION OF SOLUTIONS CONTAINING HYDROXIDE OF ALKALI METAL

FIELD: regeneration of electrolytes; removal of calcareousness from waste alkali electrolyte at simultaneous production of aqueous solution of hydroxide of alkali metal, for example potassium of high degree of purification and dry potash. SUBSTANCE: proposed plant includes electrodialyzer consisting...

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Bibliographic Details
Main Authors SOLOV'EV G.M, KARPUNIN A.A, DEMKIN V.I, ADAMOVICH D.V, VASIL'EV V.E, AMELIN V.S
Format Patent
LanguageEnglish
Russian
Published 10.10.2003
Edition7
Subjects
APPARATUS THEREFOR
CHEMISTRY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Summary:FIELD: regeneration of electrolytes; removal of calcareousness from waste alkali electrolyte at simultaneous production of aqueous solution of hydroxide of alkali metal, for example potassium of high degree of purification and dry potash. SUBSTANCE: proposed plant includes electrodialyzer consisting of anode and cathode connected to DC source of anode and cathode chambers separated by cation membrane, catholyte and anolyte tanks, tank-carbonizer, evaporator, condenser, pumps for delivery of catholyte, anolyte and carbonizing solution, cut-off valve and carbon dioxide supply main. EFFECT: waste-free process. 1 dwg
Bibliography:Application Number: RU20020106993