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Spatiotemporal Analysis of Heavy Metal Pollution and Risks in Soils from a Shut-Down Electroplating Plant

Author

Listed:
  • Yan Wang

    (College of Marine and Environmental Sciences, Tianjin University of Science & Technology, Tianjin 300457, China
    Research Institute for Environmental Innovation (Binhai, Tianjin), Tianjin 300450, China)

  • Tianlong Deng

    (College of Marine and Environmental Sciences, Tianjin University of Science & Technology, Tianjin 300457, China)

  • Ruiyang Xu

    (Tianjin Geological Engineering Survey and Design Institute Co., Ltd., Tianjin 300191, China)

  • Kunlong Hui

    (State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing 100012, China)

  • Jiawen Zhang

    (Research Institute for Environmental Innovation (Binhai, Tianjin), Tianjin 300450, China)

  • Ye Li

    (Research Institute for Environmental Innovation (Binhai, Tianjin), Tianjin 300450, China)

  • Haojie Lu

    (Research Institute for Environmental Innovation (Binhai, Tianjin), Tianjin 300450, China
    State Environmental Protection Key Laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing 100012, China)

Abstract

Spatiotemporal analysis of heavy metal pollution and risks in soils from a shut-down electroplating plant was carried out. Two batch samples were tested in December 2020 and August 2022, obtained from different sampling positions and depths. The results show that Cu, Pb, As, and Ni were the main pollutants, and their spatial distribution characteristics in December 2020 and August 2022 were similar. The pollution depth of Cu, Pb, As, and Ni was mainly concentrated within 1.0 m from the ground. In the horizontal direction, the four kinds of pollutants had some relatively concentrated pollution areas and many dispersed pollution points. In December 2020, Cu contamination was heavy, and the comprehensive ecological risk was slight. In August 2022, Cu contamination was heavy, Pb contamination was moderate, and the comprehensive ecological risk was moderate as well. Both As and Ni posed carcinogenic risks in both samples. Cu, Pb, As, and Ni migrated very slowly under the action of rainfall infiltration. Soil pollution was primarily attributed to wastewater discharge, while dispersed pollution sites were mainly caused by the landfilling of production waste. The research findings hold significant implications for heavy metal pollution control and risk prevention in the soil of electroplating enterprises.

Suggested Citation

  • Yan Wang & Tianlong Deng & Ruiyang Xu & Kunlong Hui & Jiawen Zhang & Ye Li & Haojie Lu, 2025. "Spatiotemporal Analysis of Heavy Metal Pollution and Risks in Soils from a Shut-Down Electroplating Plant," Sustainability, MDPI, vol. 17(7), pages 1-17, March.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:7:p:2931-:d:1620862
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    References listed on IDEAS

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    1. Tarek Selim & Samah M. Elkefafy & Ronny Berndtsson & Mohamed Elkiki & Ahmed A. El-kharbotly, 2023. "Heavy Metal Transport in Different Drip-Irrigated Soil Types with Potato Crop," Sustainability, MDPI, vol. 15(13), pages 1-20, July.
    2. Grecco, Katarina L. & Miranda, Jarbas H. de & Silveira, Laís K. & van Genuchten, Martinus Th., 2019. "HYDRUS-2D simulations of water and potassium movement in drip irrigated tropical soil container cultivated with sugarcane," Agricultural Water Management, Elsevier, vol. 221(C), pages 334-347.
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