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生物倍增工艺同步脱氮除磷强化途径分析

Keywords: 生物倍增工艺,脱氮除磷,长泥龄,低碳源,分点进水

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Abstract:

通过对生物倍增工艺处理市政污水的沿程污染物降解规律的考察表明,工艺对有机物的去除效果显著,COD和BOD5出水分别为47.80mg/L和19.80mg/L;氨氮去除率可达100%。发现厌氧区提前发生反硝化并一定程度上影响系统除磷效果;通过对各主要影响因素进行分析,认为低碳源的进水条件是影响系统同步脱氮除磷效果的关键因素;提出在进水口直接添加碳源以及分点进水的碳源分配+辅助化学除磷的方式可强化氮磷去除效果。

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