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Membrane Water Treatment
  Volume 14, Number 2, March 2023 , pages 95-106

Assessing pollutants' migration through saturated soil column
Smita Bhushan Patil, Hemant Sharad Chore and Vishwas Abhimanyu Sawant

    In the developing country like India, groundwater is the main sources for household, irrigation and industrial use. Its contamination poses hydro-geological and environmental concern. The hazardous waste sites such as landfills can lead to contamination of ground water. The contaminants existing at such sites can eventually find ingress down through the soil and into the groundwater in case of leakage. It is necessary to understand the process of migration of pollutants through sub-surface porous medium for avoiding health risks. On this backdrop, the present paper investigates the behavior of pollutants' migration through porous media. The laboratory experiments were carried out on a soil-column model that represents porous media. Two different types of soils (standard sand and red soil) were considered as the media. Further, two different solutes, i.e., non-reactive and reactive, were used. The experimental results are simulated through numerical modeling. The percentage variation in the experimental and numerical results is found to be in the range of 0.75- 11.23 % and 0.84 – 1.26% in case of standard sand and red soil, respectively. While a close agreement is observed in most of the breakthrough curves obtained experimentally and numerically, good agreement is seen in either result in one case.
Key Words
    break through curves (BTCs); continuous type boundary condition; finite element method (FEM); non- reactive solutes; pollutants' migration; pulse type boundary condition; reactive solute; soil- column; transport phenomena
Smita Bhushan Patil: Department of Civil Engineering, Datta Meghe College of Engineering, Navi Mumbai-400708, India

Hemant Sharad Chore: Department of Civil Engineering, Dr. B. R. Ambedkar NIT Jalandhar-147027, India

Vishwas Abhimanyu Sawant: Department of Civil Engineering, Institute of Technology, Haridwar Road, Roorkee -247667, India

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