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应用加载磁混凝处理微污染河水

Keywords: 加载磁混凝,微污染河水,除磷

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Abstract:

实验对比考察了常规混凝和加载磁混凝工艺对微污染河水中COD、浊度和TP等污染物的去除效果,系统研究了混凝剂用量、磁种加载量、搅拌条件和药剂投加顺序等因素对加载磁混凝效果的影响。实验结果表明,加载磁种后沉淀颗粒的体积平均粒径为从常规混凝工艺的50.1μm显著增加到68.6μm;污染物去除效果明显优于常规混凝工艺,尤其对浊度和总磷的去除效果得到了显著的提升;在实验最优条件下COD、浊度和TP的去除率分别达到54.17%、99.28%和75.82%;并且加载磁种后可减少50%以上的混凝剂投加量,同时大大缩短沉淀时间。

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