Abstract:
针对二级出水水质特征,试验采用反硝化生物滤池深度处理城市二级出水.通过不同C/N、不同滤速下反硝化滤池的脱氮性能的比较,得出了滤池适宜的运行参数,为水厂的改造提供技术支持.试验结果表明,在C/N=4.42,滤速为3.4 m/h时,反硝化滤池的脱氮效果最好,出水TN低于5 mg/L,NO_3~--N、NO_2~--N含量很低,几乎没有.通过沿程监测反硝化滤池,得出反硝化滤池脱氮主要集中在进水端前700 mm,最终确定最佳滤层高度为1300 mm.
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Year: 2011
Language: Chinese
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30 Days PV: 13
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