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山西省某焦化厂土壤重金属污染状况分析与评价

Applied Chemical Industry(2020)

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Abstract
为了解焦化厂遗留场地土壤重金属的污染状况,从山西省南部某焦化厂污染场地土壤中采集22份土样,分析其Hg、As、Cu和Zn元素含量.结果表明,遗留场地土壤中的重金属Hg、As、Cu、Zn的平均含量分别为0.24,11.28,24.51,99.79 mg/kg.该场地土壤属于中度重金属污染,潜在生态危害处于很强危害程度,各重金属的潜在生态风险指数大小顺序为:Hg>As>Cu>Zn,其中Hg的影响占绝对主导地位.
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