摘要阐述了降流式厌氧生物滤池的特点和人工湿地的去污机理.DAF启动快,不需回流,水力停留时间3h时,容积负荷为1.12～1.38 Kg COD/m^3·d,COD去除率为60%左右,其后续工艺CW能对COD进一步去除,而且能有效的脱N、除P.经DAF+CW组合,出水水质达到GB18918-2002一级A标准,并能回用.
2Green M, Ffiedler E, Safrai L Investigation of an alternative method for nitrification in constructed wetlarmls[R]. In: 5^th International Conference on Wetland System for water Pollution Control, Vienna1996, I/4.
