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生物填料-沉水植物联用在河道水强化处理中的应用研究

Keywords: 生物填料-沉水植物联用,武进港,富营养化,入湖河道,太湖

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Abstract:

采用新型亲水性和疏水性材料作为生物填料,研究了生物填料-沉水植物联用技术在静态和原位水体中对武进港红旗河的水强化处理性能。静态实验选用2种生物填料考察其水处理特性,筛选出性能较好的填料进行了原位实验,沉水植物选取原位常见的狐尾藻、金鱼藻和伊乐藻。通过原位实验进一步考察了所选生物填料性能及生物填料-沉水植物联用对河道水的处理效果。结果表明,原位实验处理效果优于静态实验,原位实验中各测定指标的总平均去除率分别为:氨氮69.07%,亚硝氮70.28%,硝态氮47.58%,总氮53.28%,正磷酸盐84.88%,总磷83.50%。填料平均挂膜速率为453.01nmol/(g·d)。

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