数字农科院2.0

Assessment of soil contamination with Cd, Pb and Zn and source identification in the area around the Huludao Zinc Plant

文献类型: 外文期刊

作者: Lu, C. A.;Zhang, J. F.;Jiang, H. M.;Yang, J. C.;Zhang, J. T.;Wang, J. Z.;Shan, H. X.;Lu, C. A.;Zhang, J. F.;Jiang, H. M.;Yang, J. C.;Zhang, J. T.;Wang, J. Z.;Shan, H. X.

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关键词: soil heavy metal pollution;deposition rate;source identification;~(210)pbex technique

期刊名称: JOURNAL OF HAZARDOUS MATERIALS

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收录情况: SCI

摘要: The distribution characteristics of heavy metals (cadmium (Cd), lead (Pb) and zinc (Zn)) in the natural soil profiles around the Huludao Zinc Plant (HZP), an old industrial base in Northeast China, were analyzed. The pollutant source was identified using ~(210)Pb isotope technique to evaluate the geochemical characteristics of Pb and the historical production records of HZP. The results indicated: dust precipitation from HZP was the primary source of the pollutants. The average deposition rates of Cd, Pb and Zn were 0.33,1.75, and 30.97 g/m2 year, respectively at 1 km away after HZP, and 0.0048,0.035, and 0.20g/m~2 year, respectively at 10 km away after HZP. There is a risk of secondary pollution to the environment as well as the food chain in seriously polluted areas used for cultivation.

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