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ABR+复合人工湿地处理分散性生活污水的中试研究

Keywords: 分散性生活污水,ABR,复合人工湿地,颗粒污泥,稳定性

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Abstract:

研究了ABR+复合人工湿地组合工艺处理分散性生活污水的运行效能及ABR中颗粒污泥的特性。结果表明:在pH和温度的范围分别为6.5~8.5,17.0~28.8℃,ABR和复合人工湿地的HRT分别为3h(容积负荷平均为1.3kgCOD/(m3·d)及1.3d(水力负荷平均为24.6cm/d)的条件下,系统对COD、NH4+-N、TN、TP和浊度均有较好的去除效果,其平均去除率分别为76%、69%、56%、87%和86%,出水浓度平均分别为37mg/L、2.73mg/L、6.93mg/L、0.18mg/L和5.05NTU,ABR中形成了性状良好的颗粒污泥。

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