Characteristics and Risk Assessment of Heavy Metals in the Soil Around Copper Smelting Sites

被引：1
|
作者：
Peng C. [1 ]
Liu X. [1 ]
Zhou Z.-R. [1 ]
Jiang Z.-C. [1 ]
Guo Z.-H. [1 ]
Xiao X.-Y. [1 ]
机构：
[1] Institute of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha
来源：
Huanjing Kexue/Environmental Science | 2023年 / 44卷 / 01期
关键词：
analysis; data integration; global scale; land use type; risk assessment; smelting site;
D O I：
10.13227/j.hjkx.202201040
中图分类号：
学科分类号：
摘要：
Copper smelting can cause heavy metal pollution in surrounding soil and threaten human health. This study examined the characteristics, distribution, and health risk of heavy metals in soil with different land uses around 40 copper smelting sites at home and abroad by collecting published literature data. The results showed that the mean values of ω(As), ω(Cd), ω(Cu), ω(Pb), and ω(Zn) in the soil around the copper smelting sites were 196, 10. 5, 1 948, 604, and 853 mg.kg - 1 , respectively. The order of Igeo was Cd(5. 63) > Cu(3. 88) > As(2. 96) > Pb(2. 30) > Zn(1. 27), and the accumulation of Cd and Cu was the most serious. High Nemero index (NIPI) values were found in the soil around smelting sites with a long history of smelting, outdated process, and insufficient environmental protection measures. Significant correlations were found between the concentrations of heavy metals in the soil, which decreased with the sampling distance. The heavy metals mainly accumulated within 2- 3 km from the smelting sites. Compared with the smelting history, scale, and process, land use type had a lower effect on soil heavy metal concentrations. The heavy metals in the soil around copper smelters may pose carcinogenic and non-carcinogenic risks on residents. The high health risks were mainly caused by As and Pb in smelting production areas, and Pb in woodland. These results may guide the risk prevention of heavy metal pollution in the soil around smelting sites. © 2023 Science Press. All rights reserved.
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页码：367 / 375
页数：8
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