北方严寒地区路面径流污染特征分析  

Feature Analysis on Pollution of Runoff in North Cold Region

作　　者：傅金祥[1] 陈峥[1] 由昆[1] 冷杰雯 刘梦阳[1] 

机构地区：[1]沈阳建筑大学市政与环境工程学院,辽宁沈阳110168

出　　处：《沈阳建筑大学学报（自然科学版）》2016年第3期553-559,共7页Journal of Shenyang Jianzhu University：Natural Science

基　　金：国家水体污染控制与治理科技重大专项(2014ZX07202-011)

摘　　要：目的研究北方严寒地区路面径流污染的影响因素以及变化特征,为治理径流污染及雨水资源化利用提供基础性资料.方法以沈阳建筑大学校园内的沥青路面为研究对象,进行了实地采样监测,分析沥青路面径流污染物降雨历时的变化规律及污染的影响因素.结果校园区沥青路面的初期径流雨水污染严重,COD_(cr)和NH_3-N质量浓度的最高值分别达到了407.23 mg/L、3.25 mg/L,TSS质量浓度达到886 mg/L.超出地表V类水标准,不宜直接收集利用.结论干沉降期越长,污染物质量浓度也越高;降雨强度小,降雨量少,会导致径流缓慢,污染物质量浓度呈现小幅度上升趋势;持续性降雨冲刷效果较好,污染物质量浓度呈明显下降趋势.南北方径流污染特征的差异主要源于气候,南方气候湿润干沉降小,年降雨量大,冲刷频繁,径流水质较好.The influence factors and characteristics of runoff pollution were investigated to provide basic data for runoff pollution and resource utilization in north cold region. The asphalt pavement of Shenyang jianzhu university campus for the object,with the rainfall duration the change rule of the runoff pollutants and the influence factors of asphalt pavement were analyzed on the basis of field sampling and monitoring. The results indicated that the early runoff of campus road area is seriously polluted. The concentration of COD_（cr）,NH_3-N and TSS were 407. 23,3. 25 mg /L and886 mg /L. All are beyond V class environmental quality standards for surface water. So the early runoff should not be used before treatment. The longer the time interval between two rainfalls,the higher the pollutant concentration is;Small rainfall intensity and less rainfall will lead to slow runoff and a slight upward trend of pollutant concentration. The effect of continuous rainfall erosion isobvious,and pollutant concentrations appeared a downward trend. The runoff pollution difference between southern and northern are mainly due to the climate,because of the humid climate,small dry settlement,big annual rainfall and the frequently erosion,the southern runoff water quality is better.

关 键 词：严寒地区 径流污染 校园路面 污染来源 

分 类 号：X522[环境科学与工程—环境工程]