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IC反应器处理猪粪废水的启动特性研究

Keywords: IC反应器,猪粪废水,有机负荷率,颗粒污泥,特性

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Abstract:

采用IC反应器,研究了该反应器处理猪粪废水启动特性以及处理效果。结果表明,在逐渐加大进水流量和COD浓度来提高有机负荷的情况下,随着反应器的运行,反应器污泥床区逐渐充满沉降性能良好的颗粒污泥,到启动完成时经历了60d左右的时间;启动完成后污泥床区中粒径大于1mm的颗粒污泥量约占81.3%,且污泥床区下部的颗粒污泥粒径均大于上部的颗粒污泥粒径;在进水有机负荷率达到20.6kgCOD·m-3·d-1,HRT不低于12h时,COD去除率保持在90%以上;同时,反应器对N、P也有一定的去除效果,T-N和T-P去除率约为20.8%和34.6%。

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