Abstract
The effect of different mass transfer ways in landfill leachate treatment by electrochemical oxidation was studied, the electrochemical oxidation rate, current efficiency and energy consumption were mainly discussed by four different mass transfer ways—including higher pressure water jet electrode, aeration, mixing and natural convection. The results show that mass transfer way has an important influence for NH4+-N and CODcr removal in electrochemical oxidation landfill leachate, high pressure water jet has high current efficiency, oxidation rate and lower energy consumption, which is 7.41 mg/L.min, 48% and 0.11 Kwh/gNH4+-N in electrolytic 6 hours, respectively. Different mass transfer ways have different mass transfer coefficient, improving mass transfer coefficient could increase transfer rate and the overall efficiency of system.
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