【摘要】 在太湖陈东港入湖口处进行了水生植物滤床(APFB)处理河水的中试,结果表明APFB的最佳水力负荷为2.5～3.0m3/(m2·d),最佳水深为10～20cm。在最佳运行条件下,APFB对氨氮、有机物、叶绿素a(Chl-a)和浊度的平均去除率分别达到30%、25%、80%和90%以上。此外,在分析污染物沿床体长度方向变化规律的基础上,初步探讨了APFB的工艺原理。更多还原

【Abstract】 A pilot-scale aquatic plant filter bed （APFB） was established at the entrance of Chendonggang River to Taihu Lake for river water treatment.The result shows that the optimum hydraulic loading rate of APFB is 2.5-3.0 m³/（m²·d） and the optimum water surface level is 10-20 cm.Under the optimum operating condition,the removal rate of NH⁺₄-N,COD_Mn,Chlorophyll-a and turbidity is averaged at 30%,25%,80% and 90% respectively.In addition,based on the analysis for the contaminants’ variation regularity along the bed length,the principle of APFB process was discussed as well.更多还原