渗滤系统处理北方城市生活污水微生物数量变化的研究

Research on Amount Change of Micro organism in Fly Ash Filtration System Treating Urban Sewage of Northern Cold Area

本文应用粉煤灰渗滤系统处理北方寒冷地区城市污水,结果细菌数量去除率在89.6%—99.9%之间,粪大肠菌群数量去除率在90%—99.9%之间,此方法成本低、效果好,适合北方中小城镇污水处理。

We treated urban sewage of northern cold area with fly ash filtration system.Removing rate of bacteria was 89.6%—99.9%,Removing rate of fecal coliform was 90%—99.9%.The method costs less and has good effect.It is suitable for town sewage treatment in north.