环境友好型人工湿地处理农村生活污水工程设计

Design of Eco-friendly Constructed Wetland System for Treatment of Rural Domestic Sewage

陕西省宝鸡市凤县永生村采用环境友好型人工湿地处理生活污水,该湿地具有以下特点,一是在国内首次采用自来水厂副产品——脱水铝污泥作填料,就地取材,变废为宝;二是针对农村生活污水水量较少,构筑物形状比较灵活,将人工湿地设计成扇形,巧妙地与村庄周围环境相结合,使污水处理与生态环境建设融为一体。

Yongsheng village in Feng County, Baoji City, Shaanxi Province adopts eco-friendly constructed wetland system for treatment of rural domestic sewage. It has the following two special points ： firstly, dewatered alum sludge, a by-product from waterworks, is selected as the main filling materials for the wetland for the first time at home, turning waste into treasure ; secondly, a ‘fan-shaped＇ constructed wetland system is designed to treat rural domestic sewage as well as to provide an aesthetically pleasing and environmentally friend landscape with ornamental plants for recreation.