Abstract
Considering the direct and the indirect oxidation of AEOP's, the kinetic and therefore the reaction rate constant were significantly analyzed throughout the oxidation time. The phenol degradation efficiency has been investigated during the oxidation time with varied independent parameters like initial phenol concentration (100, 250,500) mg/L, applied current density (30, 50, 70) mAcm-2 and electrolyte circulation (6, 9, 12) L/hr. It was estimated that, for 180 min oxidation time, 70 mAcm-2 current density, 12 L/hr flowrate, and 100 mg/L initial phenol concentration, the direct anodic oxidation achieved phenol degradation efficiency of 74.4% with graphite and 83.7% with β-PbO2 anodes. Otherwise, the indirect oxidation at the same condition achieved phenol degradation efficiency of 88.9% with Fe anode and carbon felt cathode.
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