The study of the combined effect of soil properties on the rate of diffusion of 60Co

This study presents an analytical model for two-dimensional pollutant transport within a three-layer composite liner system, which comprises a geomembrane (GM), a geosynthetic clay liner (GCL), and a soil liner (SL), with particular attention to defects in the geomembrane. The model integrates key processes such as convection, diffusion, adsorption, and degradation, offering a more accurate prediction of pollutant behavior. Through Laplace and Fourier transforms, pollutant concentration distributions are derived, providing a comprehensive view of pollutant migration in landfill settings. Verification against COMSOL 6.0 simulations underscores the model’s robustness. Results show that there is an optimal thickness for the SL that balances the effectiveness of pollutant containment and material usage, while higher diffusion coefficients and advection velocity accelerate migration. The degradation of organic pollutants reduces concentrations over time, especially with shorter half-lives. These findings not only improve the design of landfill liners but also support more sustainable waste management practices by reducing the risk of environmental contamination. This research contributes to the development of more effective, long-lasting landfill containment systems, enhancing sustainability in waste management infrastructure.

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The study of the combined effect of soil properties on the rate of diffusion of 60Co

Cited by 3 publications

References 19 publications

Soil contamination and human health: part 3

Soil contamination and human health: part 3

The Computational Study of Fluid Diffusion through Complex Porous Media in the Presence of Gravitational Force and at Different Temperatures Using Image Processing Technique and D3Q27 Model of Lattice Boltzmann Method

Sustainable Management of Pollutant Transport in Defective Composite Liners of Landfills: A Semi-Analytical Model

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