改良厌氧/缺氧/好氧脱氮除磷工艺处理城镇污水

Application of Improved A/A/O Process to Municipal Wastewater Treatment

山东省东明县污水处理厂采用改良厌氧/缺氧/好氧脱氮除磷工艺处理城镇污水,运行结果表明:在平均进水COD为320 mg/L、BOD5为154 mg/L、SS为142 mg/L、NH3-N为32 mg/L、TP为2.8 mg/L的条件下,其去除率分别为85%、88%、86%、90%、72%,出水水质可达到《城镇污水处理厂污染物排放标准》(GB 18918—2002)的一级B标准。

The improved A/A/O process was used to treat the municipal wastewater in Dongming Wastewater Plant in Shandong Province. The results show that when the influent COD, BOD5, SS, NH3 - N and TP average 320 mg/L, 154 mg/L, 142 mg/L, 32 mg/L and 2.8 mg/L, their removal rates are 85% , 88% , 86% , 90% and 72% respectively. The effluent quality can reach the I-B criteria specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant （ GB 18918 - 2002） .