以负载纳米TiO2的电催化膜为阳极,辅助电极为阴极,构成电催化膜反应器用于含油废水处理.考察了电极间距、电解质浓度、电流密度、空时速率、pH和温度对电催化膜反应器降解效果即含油废水化学需氧量(COD)去除率的影响.根据单因素实验分析结果,采用响应面法对电极间距、电解质浓度、pH和温度四个参数进行优化,得出最佳参数为:电极间距43.1mm,电解质浓度14.3 g/L,pH=6.3,温度32.5℃.在电流密度0.312mA/cm2,空时速率15.8 h-1的条件下,电催化膜反应器处理200mg/L含油废水COD去除率为97.54%,能耗为0.75 kWh/m3.
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