精心整理曝气生物滤池的原理及工艺摘要：曝气生物滤池（BAF）是近年发展起来的一项废水好氧生物处理的新工艺。介绍了上向流和下向流曝气生物滤池的基本工作原理。相比较传统的活性污泥法，曝气生物滤池具有处理能力强、处理效果好、受气温影响小、耐冲击负荷、不需二沉、工艺流程简单和菌群结构合理等优点。分析了国内外典型曝气生物滤池处理工艺的特点及应用。并讨论了曝气生物滤池工艺运用中的预处理及除P脱 N 等关键技术。该工艺在我国具有广阔的应用前景。关键词：曝气生物滤池；除磷脱氮；生物膜；预处理Working principle and technology of BAFWangxin，Abstract: The Biological Aerated Filter (BAF) in recent years developed an aerobicbiological treatment of waste water of the new technology. Introduced to the streamand flow to the BAF's basic working principle. Compared to conventional activatedsludge, BAF has a strong capacity to deal with good results, the effects of smalltemperature resistance, impact load, no two Shen, a simple process and the flora areasonable structure of the advantages. Analysis of a typical home and abroad BAFprocess and the characteristics of the application. And discussed the BAF technologyand the use of pre-N in addition to P from the key technology. The process in ourcountry will be widely applied.Key words: biological aerated filter; removel of P and N; biofilm；pretreatment我国执行的《污水综合排放标准》（GB8978---1996），对除 P 脱 N 提出了较高要求。而现有城市污水处理中的活性污泥法难以达到该目标。为此，必须建立新的污水厂或对现有污水厂进行改造，使之具有除 P 脱 N 功能。同时，随着城市发展步伐的加快及城市区域的拓展，污水处理设施离城区越来越近，有的甚至建在城区，因此，污水厂的土地使用受到严格的限制。传统的污水处理厂不可避免地要产生异味和噪音。由于以上诸多客观需求，必须寻找新的污水处理技术。实践精心整理表明，淹没式曝气生物滤池（BAF）工艺是最为经济有效的除 P 脱 N 处理方法之一。BAF(Biological Aerated Filer)技术最早由法国 CGE（Compaguine Generele...
