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Remediation Technology and Typical Case Analysis of Informal Landfills in Rainy Areas of Southern China

Author

Listed:
  • Qin Yin

    (College of Water Science, Beijing Normal University, Beijing 100875, China
    State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Haihong Yan

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Xiaoya Guo

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Yu Liang

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Xingzhi Wang

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Qian Yang

    (Academy of water resources and environment, China University of Geosciences, Beijing 100083, China)

  • Shuqi Li

    (Academy of water resources and environment, China University of Geosciences, Beijing 100083, China)

  • Xianqi Zhang

    (Academy of water resources and environment, China University of Geosciences, Beijing 100083, China)

  • Yuexi Zhou

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

  • Yuegang Nian

    (State Key Laboratory of Environmental Criteria and Risk Assessment, Pollution Control Research Center, Chinese Research Academy of Environmental Science, Beijing 100012, China)

Abstract

A typical informal landfill in a rainy area of southern China was taken as an example in this study. The comprehensive control ideas and processes of the informal landfill site were systematically reviewed. The basic situation for the early stage of the government survey and investigation was provided, including a waste stock survey, water volume measurement, and a waste source survey. The main contents and key factors of a comprehensive investigation of the environmental quality status were briefly summarized. The water quality in the landfill, groundwater quality inside and outside of the site, and heavy metals in the bottom sediment were all determined. A low-cost practical landfill technology was explored to reduce the Chemical Oxygen Demand COD Cr concentration of polyaluminum ferric chloride (PAFC), and NH 4 + -N was removed by calcium hypochlorite. Soil backfill was replaced, such that the informal landfill site was immobilized, which was perfectly suitable for this southern rainy area. This study proposes rules for a comprehensive improvement scheme for a landfill, and provides a reliable theoretical basis and practical experience for the treatment of similar informal landfills.

Suggested Citation

  • Qin Yin & Haihong Yan & Xiaoya Guo & Yu Liang & Xingzhi Wang & Qian Yang & Shuqi Li & Xianqi Zhang & Yuexi Zhou & Yuegang Nian, 2020. "Remediation Technology and Typical Case Analysis of Informal Landfills in Rainy Areas of Southern China," IJERPH, MDPI, vol. 17(3), pages 1-13, January.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:3:p:899-:d:315007
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    Citations

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    Cited by:

    1. Xinyang Liu & Yu Wang, 2022. "Identification and Assessment of Groundwater and Soil Contamination from an Informal Landfill Site," Sustainability, MDPI, vol. 14(24), pages 1-16, December.

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