【摘要】 为有效解决污染饮用水源（尤其是低温期氨氮）处理问题,进行了火山岩曝气生物滤池预处理技术及其节能运行研究。在气水比为1:1、进水氨氮为1.88².63 mg/L时,BAF采用间歇曝气方式能够和连续曝气方式一样使出水氨氮浓度小于《生活饮用水卫生标准》（GB5749—2006）中0.5 mg/L的限值。综合考虑相关因素,在常温期（水温≥10℃）最佳曝气方式为曝气0.5 h、停止曝气1 h,每天可以节约2/3的曝气量;在低温期（水温<10℃）最佳曝气方式为曝气0.5 h、停止曝气0.5 h,每天可以节约1/2的曝气量。此外,BAF对COD_Mn、亚硝酸盐氮和浊度也有一定的去除效果。更多还原

【Abstract】 To address the treatment of contaminated drinking water source（especially ammonia nitrogen at low temperature） effectively,the technology of biological aerated filter pretreatment and energy saving operation were studied.When the air/water ratio was 1:1,influent ammonia nitrogen was 1.88 to 2.63 mg/L,both intermittent aeration and continuous aeration could make the effluent ammonia nitrogen less than the limit value（0.5 mg/L） in the Standards for Drinking Water Quality（GB 5749-2006）.Considering all the related factors,at normal temperature（water temperature ≥10 ℃）,the optimal aeration mode was aeration for 0.5 h and non-aeration for 1 h,and this could save 2/3 of the air every day.At low temperature（water temperature < 10℃）,the optimal aeration mode was aeration for0.5 h and non-aeration for 0.5 h,and this could save 1/2 of the air every day.The test also indicated that BAF could remove COD_Mn,nitrite nitrogen and turbidity to some extent.更多还原