选择滹沱河下游的深泽县河滩地为试验场地，建成五个污水处理单元，包含生物膜与人工湿地形式两种污水处理方式，进行河道污水处理试验研究。通过对各试验单元在不同水力停留时间（1d、3d、5d、7d）时的污水净化效果分析，可以得出，各试验单元对NO4-N净化效果最好，CODcr次之，对T-P、NH4-N、T-N的去除率较低；单元Ⅰ对各污染物指标的去除效果最好，其次是单元Ⅱ和单元Ⅴ，单元Ⅳ与单元Ⅲ的净化效果最差；各试验单元对T-N、T-P、NH4-N的去除率偏低。研究发现，炉渣和泡沫混凝土砖块可以较广泛地用于污水治理。

he experiment adopts biological membranes and artificial wetland as the way of sewage purification, which including five sewage treatment units. The experiment analyzed the effect of sewage purification under different conditions,1d,3d,5d,7d,respectively.Given the different removal rates of contaminants, there comes a conclusion: when concerning about purifying effect, unit I is the best, followed by unit Ⅱand unit Ⅴthen the poorest ones are unit IV and unit III.

水利部公益性行业科研专项经费专题“洨河水电湿地高效利用技术研究与工程示范”（200901071）