摘要
雨水污染问题是城市雨水利用系统要解决的首要问题，而初期径流的控制又是对整场降雨面污染负荷控制的关键。在建立雨水污染物冲刷模型的基础上，通过对邯郸市2003—2005年间部分屋面、路面降雨的取样分析，得出邯郸市雨水中污染物的浓度与降雨量呈拟合度很好的指数关系，确定出该市屋面、路面初期雨水弃流量为3mm和6mm，能分别去除COD总量的78．3％与77．9％。
Rainwater pollution is a problem which should be resolved primarily in urban rainwater utilization system, controlling of initial runoff is a key point to restrict non-point pollutant load in one whole rainfall. On the base of building pollutant wash-off model,parts of roof and road rainwater are sampled and analyzed among 03 - 05, it tests that the concentration of pollutant in rainwater draw up to match a good exponential relation with rainfall, and it is determined that roof and road are discharged the initial rainfall of 3 mm and 6 mm,which can remove 78.3% and 77.9% of the COD total amount respectively.
出处
《资源环境与工程》
2007年第4期435-438,共4页
Resources Environment & Engineering
关键词
雨水污染
初期径流
面污染负荷
冲刷模型
rainwater pollution
initial runoff
non-point pollutant load
wash-off model
