黔北某关闭铅锌冶炼厂地块土壤污染状况调查与风险评估  

Investigation and Risk Assessment of Soil Pollution Status of a Closed Lead-zinc Smelter Plot in Guizhou

作　　者：张水 Zhang Shui(Guizhou Xingshuo Mingyue Environmental protection Technology Co.,Ltd.,Guiyang 550025,China)

机构地区：[1]贵州星硕铭越环保科技有限公司,贵州贵阳550025

出　　处：《广东化工》2024年第13期103-105,共3页Guangdong Chemical Industry

摘　　要：重金属是有色金属冶炼地块土壤常见污染物,其在具有土壤环境中难迁移,难以被降解,危害性较大等特征。本文以贵州某关闭铅锌冶炼厂地块为研究对象,开展地块环境调查与风险评估。结果表明:该地块土壤中重金属砷、铅、钒、锌、镉、锰、锑、汞均存在不同程度的超标情况。风险评估显示地块内砷、钒、镉3种重金属同时具有致癌风险和非致癌风险(致癌风险超过1.00E-6,危害商超过1.0);锌、锰、锑、汞对人体不具有致癌风险,只具有非致癌危害商。Heavy metals are common pollutants in the soil of non-ferrous metal smelting plots,which are difficult to migrate,difficult to be degraded,and harmful in the soil environment.In this paper,a closed lead-zinc smelter plot in Guizhou Province was taken as the research object to carry out the environmental investigation and risk assessment of the plot.The results showed that the heavy metals arsenic,lead,vanadium,zinc,cadmium,manganese,antimony and mercury in the soil of the plot exceeded the standard to varying degrees.The risk assessment showed that the three heavy metals of arsenic,vanadium and cadmium in the plot had both carcinogenic risk and non-carcinogenic risk(carcinogenic risk exceeded 1.00E-6 and hazard quotient exceeded 1.0),while zinc,manganese,antimony and mercury did not pose a poseacarcinogenic risk to human body,but only had non-carcinogenic hazard quotient.

关 键 词：铅锌行业 关闭企业 污染地块 污染调查 风险评估 

分 类 号：TQ[化学工程]