Degradation of methyl orange waste water by electrochemical oxidation method

Jingyi Tian, Kefeng Shang, Xiangxin Xue, Lei Yang
2013 Journal of Physics, Conference Series  
Degradation of methyl orange (MO) waste water was conducted by electrochemical oxidation method with PbO 2 /Ti electrode as anode. PbO 2 /Ti electrode was fabricated by electrochemical deposition of PbO 2 on Ti foil. The micrograph and crystal structure of PbO 2 show that uniform coating of PbO 2 on titanium foil was obtained and the dominant crystal structure was β-PbO 2 . Degradation experiments of MO solution indicate that the degradation rate increased with cell voltage and solution
more » ... vity. In addition, air aeration also improved the degradation of MO solution; but an increase in cell voltage or input energy decreased the energy efficiency of MO removal. The energy efficiency reached over 0.1mg kJ -1 under a cell voltage lower than 15V, and the removal rate could reach 90%.
doi:10.1088/1742-6596/418/1/012134 fatcat:37kpww3cprdcfifji5wiegrhiu