摘要
针对城市污水处理厂尾水的特点,采用生态氧化池/垂直流人工湿地/自然湿地生态工程组合工艺对其进行深度处理,重点分析了运行效果和去除机理。数据结果表明,该工艺运行稳定,系统出水COD,BOD5,NH3-N和TP平均分别为14.4,3.4,0.84,0.19mg/L,平均去除率均在65%以上,出水水质达到《地表水环境质量标准》(GB3838-2002)中Ⅳ类标准。
Ecological oxidation tank, Vertical flow constructed wetland （VFCW）and natural wetland were combined for the advanced treatment from characteristics of the municipal wastewater, focusing on analysis of running effects and removal mechanism. The experimental results showed that the effluent COD, BOD5, NH3-N and TP were 14.4 mg/L, 3.4 rag/L,0.84 mg/L and 0.19 mg/L,respectively. The Average removal rates of which were more than 65% ,and which could meet the 3rd level standard of Environmental Ouality Standard for Surface Water（ GB 3838-2002）.
出处
《环境保护与循环经济》
2013年第7期34-38,共5页
environmental protection and circular economy
关键词
生态氧化池
垂直流人工湿地
自然湿地
深度处理
组合工艺
ecological oxidation tank
vertical flow constructed wetland
natural wetland
advanced treatment
combination craft
