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    考察有机物、NH4+-N、NO2--N、NO3--N和总氮沿饮用水生物滤池的高度的变化趋势。研究结果表明:(1)生物滤池对有机物的去除作用主要发生在进水端前300mm的范围内,在这段滤层内,反应器对有机物(CODMn)的去除率为23.1%,占总去除率的97.47%;(2)在进水端前200mm内反应器对氨氮的去除率为45.29%,占总去除率的90.14%;(3)在滤层0mm~1000 mm范围内,亚硝酸盐浓度处于下降的趋势,没有发生亚硝酸盐积累;(4)在进水端200mm处,NO3--N的增加率达到最大;(5)在滤层200~1000 mm范围内,发生了氮亏损的现象。

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    Volume:26

    Page:72-74

    Journal:中国给水排水

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