活性砂生物滤池深度脱氮影响因素分析

Jianli Jia,Kun Wu,Huihuang Shao, Ying Liu,Xueting Sun, Lina Zhao

Environmental Engineering（2013）

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Abstract

针对二级污水处理厂深度处理的需要,对进水水质达到一级B或者劣于一级B,但优于二级标准的污水进行脱氮影响因素分析.研究表明,滤速在一定范围内对于硝化效果有积极影响,但不宜超过10 m/h,在低进水有机物浓度下,滤速在5～12m/h时不是反硝化效果的限制因素.要取得良好的硝化效率和出水水质,硝化池的溶解氧应控制在3.5 mg/L左右,进水氨氮负荷应控制在0.48 kg/(m3·d)以下.

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