某危废处理企业周边农田土壤重金属污染状况分析

Analysis on Heavy Metal Pollution Condition of Soil in Farm Land Arond A Hazardous Waste Treatment Enterprise

本文首先阐述了调查企业的污染情况并确定了污染范围;然后通过对某危废处理企业周边影响区域进行系统布点采样,分析了其中Hg、Cd、As、Cu、Pb、Ni、Cr和Zn的含量,并采用内梅罗综合污染指数法对各采样点位进行评价。结果表明:该企业周边存在着主要由铅等重金属引起的重金属污染。

This paper first describes the pollution situation of the investigation enterprise and determines the pollution scope;then through systematic sampling was performed on the surrounding area of one waste disposal companies,and the contents of Hg、Cd、As、Cu、Pb、Ni、Cr and Zn were analyzed,and Nemerow comprehensive pollution index was applied to evaluate the sampling sites.The results showed that the surrounding area of the enterprise have the problem of heavy metal pollution which was mainly caused by lead and other heavy metals.