生物膜冲洗的若干问题探讨  

Discussion on Some Problems about Biofilm Flushing

作　　者：陈蓉 

机构地区：[1]上海南汇自来水公司,上海201316

出　　处：《中国给水排水》2011年第15期69-70,74,共3页China Water & Wastewater

摘　　要：就惠南水厂生物接触氧化池中生物膜冲洗的若干问题进行了探讨。结果表明,惠南水厂生物接触氧化池中生物膜的冲洗应根据其出水NH3-N浓度、对NH3-N的去除率及运行时间共同控制;冲洗方式应以局部冲洗为宜,冲洗间隔为3～5 d;冲洗参数可按冲洗历时为10～15min、冲洗强度为0.7～1.0 m3/(min.m2)来控制。Some problems about biofilm flushing in biological contact oxidation tank of Huinan Waterworks were discussed. The resuhs show that the biofilm flushing should be controlled based on the NH3 - N concentration in the outflow, the NH3 - N removal rate and the running time. The flushing mode should be local flushing, and the parameters are following： 3 to 5 d flushing intervals, 10 to 15 rain flushing duration and 0.7 to 1.0 m3/（min·m2） flushing intensity.

关 键 词：生物接触氧化池 生物膜 冲洗 

分 类 号：TU991.2[建筑科学—市政工程]