Journal
QUIMICA NOVA
Volume 32, Issue 1, Pages 125-130Publisher
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0100-40422009000100024
Keywords
ranitidine degradation; hydrogen peroxide; gas diffusion electrodes
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The study of the electrochemical degradation of the ranitidine was developed using an electrochemical reactor with a gas diffusion electrode (GDE) as cathode. The electrolysis experiments was performed at constant current (1 <= A <= 10) and flow rate of 200 L h(-1). The process of drug degradation, chemical/electrochemical and electro-Fenton ways, using electrochemical reactor showed best efficiency at current values of >= 4 A. The process reached a production of 630 mg L-1 of the H2O2 at 7 A. The ranitidine concentrations was reduced in 99.9% (HPLC) and chemical oxygen demand (COD) was reduced in 86.7% by electro-Fenton.
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