Numerical Parametric Study of Multiple Pollutants Transport Through Compacted Clay Liner

  • Shi ShuEmail author
  • Wei Zhu
  • Haoqing Xu
  • Xihui Fan
  • Shengwei Wang
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


Compacted clay liners have been widely used as bottom liners in municipal solid waste landfills around the world. However, landfill leachate contains a large variety of pollutants with widely different migration characteristics, and the interaction between multiple pollutants have an effect on migration of pollutants. In this study, a numerical parametric study is conducted to investigate the transport behaviors of commonly found leachate pollutants through compacted clay liner. Prior to the numerical parametric study, the numerical model was verified by centrifuge test results. Parameters considered include dispersivity of compacted clay liner, diffusion coefficients and retardation factors of typical pollutants. The simulation results showed that the pollutant transported through compacted clay liner faster when multiple pollutants were simultaneously present in the leachate. Under a high leachate water head, the effect of diffusion coefficient was not obvious on the pollutants transport through compacted clay liner, moreover, the influence of dispersivity and retardation factor was more significant.


Numerical parametric study Multiple pollutants Breakthrough CCL MSW landfill 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Shi Shu
    • 1
    • 2
    Email author
  • Wei Zhu
    • 3
  • Haoqing Xu
    • 4
  • Xihui Fan
    • 1
    • 2
  • Shengwei Wang
    • 5
  1. 1.Key Laboratory of Ministry of Education for Geomechanics and Embankment EngineeringHohai UniversityNanjingChina
  2. 2.Jiangsu Research Center for Geotechnical Engineering TechnologyHohai UniversityNanjingChina
  3. 3.College of EnvironmentHohai UniversityNanjingChina
  4. 4.School of Architecture and Civil EngineeringJiangsu University of Science and TechnologyZhenjiangChina
  5. 5.College of Civil Science and EngineeringYangzhou UniversityYangzhouChina

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