生物膜厚度影响含酚废水处理效果的研究

Study on the effect of biofilm thickness on the treatment efficiency of phenol containing wastewater

应用生物接触氧化法水处理模型,对含酚废水的处理进行了试验研究,结果表明生物膜厚度对废水中酚和COD去除效果影响显著。试验模型适宜的生物膜厚度在96.5～165.8μm,运行稳定期8～18d,COD去除率>75%,酚去除率>85%。

The experiments have been conducted for the treatment of phenol containing wastewater by the water treatment model of biological contact oxidation process, the results show that the thickness of biofilm remarkably affects the removal efficiency of COD and phenol in the wastewater. This experimental system shows that the optimum thickness of biofilm is between 96.5 ~ 165.8 μm, the steady period is between 8 ～ 18 days, the optimum removal rate of COD is more than 75%, and the optimum removal rate of phenol is more than 85%.