Heavy metal pollution in soil and risk assessment in Fuquan Coal Mine of Guizhou
To study the heavy metal pollution around Fuquan Coal Mine,the soil around the mine was taken as the research object and the content of six heavy metals(Hg,As,Cd,Zn,Cu,Cr)in the soil were analyzed.The risk of the soil was assessed by single factor index,Nemerow comprehensive index and potential ecological risk index.The results showed that the contents of the six heavy metals in the soil were different,Cd and Zn were the main con-taminants in the soil,and parent soil material and human activity were the main sources of heavy metal pollution.The single factor index and comprehensive index showed that the soil was polluted by heavy metals,the comprehen-sive index of most samples reached severe pollution.The ecological risk assessment showed that the soil in the min-ing area was moderately polluted and the pollution of Cd should be controlled.
NETL
NSTL
万方数据
维普
