ANALYSIS OF SOIL POLLUTION AND HEALTH RISK ASSESSMENT OF CHEMICAL

MIAO Fangfang; ZHANG Yimei; LI Yu; LIN Qianguo

doi:DOI:10.13205/j.hjgc.202207014

Volume 40 Issue 7

Sep. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(7): 94-100

MIAO Fangfang, ZHANG Yimei, LI Yu, LIN Qianguo. ANALYSIS OF SOIL POLLUTION AND HEALTH RISK ASSESSMENT OF CHEMICAL[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 94-100. doi: DOI:10.13205/j.hjgc.202207014

Citation:

MIAO Fangfang, ZHANG Yimei, LI Yu, LIN Qianguo. ANALYSIS OF SOIL POLLUTION AND HEALTH RISK ASSESSMENT OF CHEMICAL[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 94-100. doi: DOI:10.13205/j.hjgc.202207014

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ANALYSIS OF SOIL POLLUTION AND HEALTH RISK ASSESSMENT OF CHEMICAL

doi: DOI:10.13205/j.hjgc.202207014

MIAO Fangfang^1,3,
ZHANG Yimei^{1,2
,
,},
LI Yu¹,
LIN Qianguo²

1. College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China;
2. Laboratory of Environment Remediation and Function Material, Suzhou Research Academy of North China Electric Power University, Suzhou 215213, China;
3. College of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China

Received Date: 2021-09-29
Available Online: 2022-09-02

Abstract

Abstract

To reduce the impact of landfills on residents and the environment when performing landfill operation,a solid waste landfill site in Jiangsu Province was taken as the research object to carry out a health risk assessment.Soil samples in the study area were collected and analysed to obtain the contents of heavy metals such as As,Ni,Cd,Zn,Pb,and Hg.Kriging interpolation,chemical mass balance morphological simulation,and health risk assessment models were applied respectively.The concentration spatial distribution,speciation,and regional health risk of heavy metals were studied.The results showed that the area was mainly polluted by solid waste landfills and over-fertilization of agricultural land.The contents of Cd and Zn were higher than the soil background values,and Hg content was close to the background value.15 types of metal forms of Cd and 21 metal forms of Zn were obtained by simulation.A health risk assessment was conducted on the obtained metal species,and it was concluded that Cd²⁺ and CdCO₃ had carcinogenic risks,with total contribution rates of 38.4% and 31.9%,respectively.But Zn₂S₃^2- metal form had non-carcinogenic risk,and the total contribution rate was 91.66%.The carcinogenic risk of Cd²⁺ ranged from 10^-6 to 10^-4,and that's not ignorable.Therefore,the toxicity of heavy metal species to humans in the study area should be paid more attention to.
- chemical mass balance,
- spatial interpolation,
- metal speciation,
- health risk assessment

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References(29)

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