精选优质文档-倾情为你奉上三种人工湿地填料对生活污水的净化效果摘要:在人工湿地模型试验中,使用页岩陶粒、石灰石、沸石为填料,对生活污水进行处理,分析了3种填料的物理、化学性能,研究了它们对污水处理效果的影响。结果表明:对COD的去除效果:页岩陶粒石灰石沸石;对TP的去除效果:沸石页岩陶粒石灰石;对TN的去除效果:沸石页岩陶粒石灰石;对NH3-N的去除效果:沸石页岩陶粒石灰石。关键词:污水处理技术;人工绿地;页岩陶粒;石灰石;沸石The Purification Effect of Constructed Wetland with Three Kinds of Packing Materials on Domestic SewageAbstract: Domestic sewage was treated in the constructed wetland model with three kinds of packing materials,including shale pottery grain,lime stone,and z