东莞市土壤重金属污染状况分析及展望  

Analysis and Prospect of Heavy Metal Pollution in Soil of Dongguan

作　　者：熊钡 邵友元[2] 易筱筠[1] 

机构地区：[1]华南理工大学环境与能源学院,广州510006 [2]东莞理工学院化学与环境工程学院,广东东莞523808

出　　处：《东莞理工学院学报》2014年第1期61-65,共5页Journal of Dongguan University of Technology

基　　金：东莞市科技计划项目(201108102037)

摘　　要：通过调研、文献资料查阅,分析了近五年东莞市土壤重金属污染情况,结果显示,其中Cd、Hg、As、Ni、Cu、Zn等多种重金属超标,污染最严重的为Cd和Hg,平均值分别达到0.44 mg/m3和0.19 mg/m3,超标率分别为38.83%和22.57%,另外土壤重金属污染以单一重金属污染为主。最后从政策和法规方面提出了几点控制土壤重金属污染措施。Investigating the situation of heavy metals pollution in Dongguan , the paper reviews the data of heavy metals pol-lution in soil over the past five years .The result shows that the concentrations of Cd、Hg、As、Ni、Cu、Zn exceed their background val-ue according to China Environmental Quality Standard for Soils （ GBl5618 -1995 , Grade II ） , in which the most serious are Cd （0.44 mg/m3） and Hg （ 0.19 mg/m3）, the proportion over standard 38.83% and 22.57% respectively, dominated by single heavy metal pollution.Finally, some measures about controlling heavy metals pollution in soil are proposed from the aspects of poli -cies, laws and regulations ,.

关 键 词：土壤重金属 重金属污染 污染 东莞市 

分 类 号：O69[理学—化学]