Mineralization of Formic Acid by the OHВ· and HO2В· Intermediates Generated in situ from H2O and H2O2 in a Membrane-Free Electrolyser in Electrolytes with Different pH
IRINA S. VASILIEVA and VASILIY L. KORNIENKO
Institute of Chemistry and Chemical Technology, Siberian Branch of the Russian Academy of Sciences,
Ul. K. Marxa 42, Krasnoyarsk 660049 (Russia) E-mail: kvl@icct.ru
Pages: 765-769
Abstract
The conditions of indirect destructive oxidation of formic acid to CO2 and H2O by OH· and HO2· intermediates generated from water and hydrogen peroxide in an electrolyser without a membrane in the electrolytes with different pH are described. The effect of cathode current density and pH of the medium on the conversion of formic acid is investigated. It is shown that the conversion of formic acid in acidic electrolytes is higher than in alkaline ones and accounts for 99 % at pH 3.2.
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