浅层地下水重金属元素的富集特征研究
Research on accumulation characteristic of shallow groundwater metal element
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摘要: 以淮南市浅层地下水为研究对象,采集并测试了130个水样中Fe、Mn、Cu、Zn、Pb、Cd和Ni等元素的含量及相关指标。通过分析pH与重金属的相关性,得出了重金属在水中的富集特征,即VFe>VCu>VZn>VPb>VMn。利用主成分对7种重金属进行分类并分析其富集成因,最后将测试结果与土壤重金属含量相比较,确定了重金属元素在不同介质间的迁移特征。Abstract: The shallow groundwater of Huainan city was taken as the research object, and 130 water samples were collected and element concentration,including Fe,Mn,Cu,Zn,Pb,Cd,Ni and related indexes were tested. The correlations between pH value and heavy metal elements concentration were analyzed, the enrichment characteristics of heavy metals in shallow groundwater were obtained, that was VFe>VCu>VZn>VPb>VMn. By the way of principal component analysis, seven kinds of heavy metals were classified and their enrichment origins were analyzed. After compared the testing results with the heavy metal concentration of soil, the migrated characteristics of heavy metal elements in different porous media were confirmed.
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Key words:
- shallow groundwater /
- heavy metals /
- enrichment characteristics /
- enrichment origin
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