地下水浅埋区某加油站特征污染物空间分布  

Spatial distribution of typical pollutants of gas stations in shallow water-table areas

作　　者：杨青[1] 陈小华[1] 孙从军[1] 康丽娟[1] 赵振[1] 陈漫漫[1] 

机构地区：[1]上海市环境科学研究院,上海200233

出　　处：《环境工程学报》2014年第1期98-103,共6页Chinese Journal of Environmental Engineering

基　　金：国家环保公益性行业科研专项(201109014)

摘　　要：加油站渗漏污染地下水已经是一个世界性的问题。由于浅埋区加油站储罐与地下水密切接触,更加剧储罐的腐蚀。为揭示加油站渗漏的典型污染物石油烃(TPH)、苯系物(BTEX)、萘和甲基叔丁基醚(MTBE)在该水文地质条件下的迁移变化,在浅埋区某加油站开展了平、枯、丰水期的地下水监测工作。在水平分布上,TPH、BTEX、萘基本相似,均在加油岛附近形成高浓度区,而MTBE则更易随地下水流动而迁移,呈现出不同的污染晕。在垂直分布上,地下水的水位变动是污染物浓度分布的主要影响因素。Leakage and spilling of the gas stations is a worldwide problem. The underground storage tanks of shallow water-table areas are closely contacted with groundwater, which enhance their corrosion. Groundwater monitoring was carried out in dry, temperate, and wet seasons at a concerned gas station in shallow water-table area in order to reveal the migration and transformation mechanisms of total petroleum hydrocarbon（TPH） , ben- zene, toluene, ethylbenzene, and xylene （BTEX）, naphthalene and methyl tert-butyl ether（MTBE） in such are- a. The horizontal distribution of TPH, BTEX, naphthalene was similar, and the high concentration appeared at filling island. MTBE migrated with groundwater flow, and appeared different pollution plum. Water level fluctua- tion is the main factors of the vertical distribution of contaminates.

关 键 词：地下水浅埋区 石油烃 苯系物 甲基叔丁基醚 萘 

分 类 号：X523[环境科学与工程—环境工程]