水解酸化/活性污泥法/人工湿地处理污水

为探索城市污水资源化的途径，采用水解酸化／活性污泥法／人工湿地处理城市污水。结果表明，水解酸化和不完全活性污泥氧化工艺对COD、BOD5、SS的去除率分别在70％、80％、80％以上，其出水水质优于农田灌溉水标准，出水中含有的未降解有机酸和N、P等为人工湿地中的植物提供了充足的营养。经几年的运行，土壤的理化性状得以显著改善，生态环境逐步恢复，形成的草地、湿地和苇田也产生了一定的经济效益。该系统在冬季亦可以运行，解决了单纯土地处理在冬季无法运行的难题。

Hydrolytic Acidification/Activated Sludge/Constructed Wetland Process for Wastewater Treatment

Hydrolytic acidification/activated sludge /constructed wetland process was used for wastewater treatment to investigate the urban wastewater reclamation approach.The result shows that hydrolytic acidification and incomplete activated sludge oxidation process has the removal rate of 70%,80%,and over 80% respectively for COD,BOD,and SS.The effluent quality excess the farm irrigation water criteria,and small amount of undegradable organic acid,nitrogen and phosphorus offers sufficient nutrients for plants on the wetland.After operation for several years,physico-chemical property of soil has been meliorated greatly,with gradual rehabilitation of ecological environment.Economic benefit has been gained from the grass,wetland,and reed.The system can operate in winter,and thus solving the trouble that the simple land treatment cannot operate in winter.