摘要
以小试规模研究了生物曝气滤池处理生活污水时对COD ,NH3-N的去除 ,在最佳工艺条件 (HRT =1 5 9h ,气水比 =7∶1)下 ,NH3-N的平均去除率为 74 2 % ,出水NH3-N≤ 15mg/L ,COD≤ 6 0mg/L ,BOD≤ 2 0mg/L ,SS≤ 2 0mg/L。探讨了COD负荷、NH3-N负荷。
The characteristics of biological aerated filter (BAF) for treating dom estic wastewater were investigated by bench-scale model. The results sh owed that at the optimum condition when HRT=1.59 h and air/water=7:1, 74.2% of NH3-N was removed. In this case effluent with average concentrations of COD, N H~{*-~}3-N, BOD, SS lower than 60 mg/L, 15 mg/L, 20 mg/L and 20 mg/L respectively was obtained.The effect of COD-loading, NH3-N-loading, backwashing cycle and air/water ratio on the performance of BAF were also examined.
出处
《给水排水》
CSCD
北大核心
2001年第9期31-33,共3页
Water & Wastewater Engineering
