화학공학소재연구정보센터
Electrochimica Acta, Vol.118, 169-175, 2014
Electro-catalytic degradation of bisphenol A with modified Co3O4/beta-PbO2/Ti electrode
Ti-base Co3O4/beta-PbO2/Ti composite electrodes were prepared using electro-deposition and characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), cyclic voltammetry and the accelerated life testing, it indicated that the self-made electrode had high activity in electrolysis as well as excellent corrosion resistance and excellent catalytic performance. The results showed that the removal efficiency of CODcr could be reached up to 92.2% after 1.5 h electrolysis at NaCl concentration of 0.020 mol.L-1 bisphenol A initial concentration of 20 mg.L-1, applied voltage of 20V, electrode spacing of 7 cm and electrolyte pH of 5. The reaction mechanism and kinetics of Co3O4/beta-PbO2/Ti composite electrodes electro-catalytic degradation bisphenol A mainly caused by the OH radical attacking parent molecules and the degradation followed pseudo-first-order kinetics. (C) 2013 Elsevier Ltd. All rights reserved.