摘要
濮阳市李子园地区河渠水质受到不同程度的污染,其中以三里店沟水污染最为严重,严重威胁地下水水源地水质安全,主要污染因子有COD、BOD、氨氮、挥发酚、石油类和大肠菌群等.在水文地质条件研究的基础上,通过数值模拟对三里店沟水COD在潜水含水层中的分布及衰减规律发现:构成COD的物质在潜水含水层中迁移缓慢,COD衰减梯度较大,为0.89 mg/(L.m).目前对该水源地的地下水质影响不大,但仍要加强水资源保护,以免污染程度增大.
Channels in Liziyuan region of Puyang are polluted in different degrees. As Sanlidian channel being the most serious pollution, the groundwater quality of the water source is influenced badly. The main pollutants are COD, BOD, NH3-N, volatile hydroxybenzene, oil, coliforms and so on. Based on the research of hydrogeological condition, the distribution and attenuation of COD of Sanlidian channel in unconfined aquifer are studied by numerical simulation. The substance composing COD transports slowly in unconfined aquifer. COD attenuation grads is large： 0. 89 mg/（ L · m） ,which influences the groundwater quality of the water source in low degree at present. Water resource protection is important to prevent further pollution.
出处
《桂林工学院学报》
北大核心
2007年第4期505-508,共4页
Journal of Guilin University of Technology
基金
国家自然科学基金资助项目(40472123)
