传统的活性污泥法在处理畜禽养殖废水时脱氮除磷效果较差,对此,构建厌氧折流板反应器(ABR)-厌氧/好氧(AO)耦合工艺对其进行处理,并通过改变水力停留时间(HRT)控制有机负荷率(OLR),研究不同OLR下反应体系对有机物及氮、磷的处理效能以及污泥特性。结果表明,OLR从0.66 kg/(m3·d)提高至2.40 kg/(m3·d),运行稳定后体系对COD、NH3-N和TP的去除率分别为80.39%、82.12%和86.57%;ABR除碳贡献率为80.64%,且其第一、第二隔室承担了COD的主要去除工作。
韩雨原 +6 more
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