|本期目录/Table of Contents|

 废弃矿区土壤重金属污染程度及生态风险评价研究()

《能源与环保》[ISSN:1003-0506/CN:41-1087/TD]

期数:
2020年06期
页码:
29-34
栏目:
安全与环境
出版日期:
2020-06-25

文章信息/Info

Title:
 Study on degree of heavy metal pollution and ecological risk assessment in soil of abandoned mining area
文章编号:
1003-0506(2020)06-0029-06
作者:
 能子礼超12郑 慧1刘盛余3杨 红1
 (1.西昌学院 环境经济科学研究中心,四川 西昌 615000; 2.西昌学院 资源与环境学院,四川 西昌 615000; 3.成都信息工程大学 资源环境学院,四川 成都 610225)
Author(s):
 Nengzi Lichao12Zheng Hui1Liu Shengyu3Yang Hong1
 (1.Academy of Environmental and Economics Sciences,Xichang University,Xichang 615000,China;
2.College of Resources and Environment,Xichang University,Xichang 615000,China;
3.College of Resources and Environment,Chengdu University of Information Technology,Chengdu 610225,China)
关键词:
 土壤重金属污染程度生态危害
Keywords:
 soilheavy metalpollution degreeecological harm
分类号:
X52
DOI:
10.19389/j.cnki.1003-0506.2020.06.007
文献标识码:
A
摘要:
 采用内梅罗指数法、地累积指数法对废弃矿区土壤重金属污染程度进行分析,并用潜在生态危害指数评价生态危害情况。研究结果表明,内梅罗指数法筛选Zn、Pb、Cd、As是主要污染因子,综合污染指数分别为16.30、9.48、20.16和7.07,属于重度污染;除点位11、12和14以外,其他11个点位的污染程度均为重度污染。地累积指数法筛选出Zn、Pb、Cd三种元素,未污染的元素为Ni、Hg、Cr、Ag,主要的污染点位是点位1、2、3。潜在生态危害指数法评价结果表明,主要污染因子为Cd、Hg两种元素,轻度污染的元素为Zn、Pb、Cu、As、Ni、Cr,主要的污染点位是点位1、2、3。
Abstract:
 The pollution degree of heavy metals in the soil of abandoned mining area was analyzed by Nemero index method and land accumulation index method,and the potential ecological risk assessment method was used to evaluate the ecological hazards.The results showed that Zn,Pb,Cd and As were the main pollution factors by Nemero index method.The comprehensive pollution indexes were 16.30,9.48,20.16 and 7.07,which belonged to heavy pollution.Except for 11,12 and 14 points,the other 11 points were heavy pollution.Three elements,Zn,Pb and Cd,were screened out by land accumulation index method.The uncontaminated elements are Ni,Hg,Cr and Ag,and the main pollution points are 1,2 and 3.The evaluation results of potential ecological hazard index method showed that the main pollution factors are Cd and Hg,the light pollution elements are Zn,Pb,Cu,As,Ni and Cr,and the main pollution points are 1,2 and 3.

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