Anodic-cathodic electrochemical ozidation system for o-nitrophenol degradation in aqueous solutions
In this paper, the elimination of o-nitrophenol (o-NPh) in aqueous solutions by electrochemical oxidation at titanium-based bismuth-doped lead dioxide (Ti/Bi-PbO2) anode and carbon gas diffusion cathode (carbon GDC) was investigated. Four factors of the degradation, i.e. current density I, initial pH, electrolysis temperature T, air input A, were studied. Under the conditions of I=20 mA/cm2, pH=4, T=45℃, A=60 L/h, 100％ o-nitrophenol removal and 94.6％ COD removal has been obtained after 120-minute degradation. The degradation process could be described by pseudo-first order kinetics form.
anodic-cathodic o-nitrophenol electrochemical ozidation
Yan Li Huiling Liu Yuan Liu
Dept. of Environmental Science & Engineering Harbin Institute of Technology, Harbin 150090, China
国际会议
上海
英文
3319-3322
2008-05-16（万方平台首次上网日期，不代表论文的发表时间）