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湖泊科学  2009 

微曝气生态浮床净化入湖河口污染河水原位模型实验

DOI: 10.18307/2009.0605

Keywords: 微曝气生态浮床,污染河水,模型试验,净化效果

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Abstract:

针对污染河水黑臭缺氧、NH4+-N含量高等问题,研发了一种"漂浮载体悬挂弹性生物膜填料+水生植物并辅以人工微曝气系统"的微曝气生态浮床系统.通过原位模型实验,研究了其在大清河入湖河口对污染河水的净化效果,当水力负荷为1500mm/d时,对TN和NH4+-N的平均去除率分别为81.1%、91.3%,对TP的平均去除率为72.7%,对PO43--N的平均去除率为92.5%,对有机物亦有较强的去除能力;处理1m3水需要的曝气费用约为0.007元.微曝气生态浮床系统整体运行稳定、去除效率高、能耗低,适合流水环境,可直接在污染河道和入湖河口区对污染河水进行自流净化.

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