化工助剂企业搬迁场地的土壤污染及环境风险

Soil pollution and environmental risk of relocation site of chemical auxiliary enterprise

通过土壤取样分析和计算污染指数的方法对江苏某典型化工助剂厂地块的土壤污染程度进行了研究。地块土壤中主要污染物有芳香族化合物和重金属两类,有机污染物主要是苯、异丙基苯和叔丁基苯,以苯的污染程度最大,整个地块均存在重度的苯污染,原生产车间土壤的苯污染程度最大;靠近工业水渠区域的土壤存在中度的重金属污染,主要是Ni和Cr。

The soil pollution and environmental risk assessment of a typical chemical auxiliary plant in Jiangsu Province were studied by soil sampling analysis and pollution index calculation.The main pollutants in soil were aromatic compounds and heavy metals.The main organic pollutants were benzene,isopropyl benzene and tertbutyl benzene,and benzene was the most polluted.Heavy benzene pollution existed in the whole site,and the benzene pollution in the original workshop soil was the highest.The soil near the industrial canal area was moderately polluted by heavy metals,and the main pollutants were Ni and Cr.