活性生物滤池净化处理生活污水研究

Study of Domestic Sewage Purification Treatment by Activated Bio-filter

摘要: 目的研究活性生物滤池对生活污水的处理效果.方法按GB11914-1989和GB7488-1987分别测定生活污水经生物氧化处理前后的CODcr和BOD₅.结果 10份生活污水处理前后水中CODcr分别为44.48±1.79mg/L和16.76±2.77mg/L,差异有显著意义(P<0.001);BOD₅分别为211.54±1.84mg/L和3.95±1.54mg/L,差异有显著意义(P<0.001).上述2项指标处理后的水平大大低于国家环保局制订的《污水综合排放标准》(GB8979-1996)中城市二级污水处理厂排放的一级标准.结论采用活性生物滤池对生活污水的处理具有净化效果好、工艺流程简单、经济效益高等优点,有较好的推广应用前景.

Abstract: Objective To study a kind of biological treatment technology and observe the effects of purify domestic sewage.Methods Determine 10 samples of domestic sewage before and after biological treament,the indicators were CODcr and BOD₅.Results After biological treament,CODcr was decreased from 44.84 mg/L to 16.76mg/L(P<0.001),DODcr was decreased from 211.54mg/L to 3.95mg/L(P<0.001),far below the priminary discharge standard of municipal sewage treament plant.Conclusion The biological treatment technology were possessed some advantages of good treatment effect,low cost and simple technology.It can be applied widely in domestic sewage purification treatment.