Open AccessSimulation of groundwater contamination by leakage from waste-filled mine
Author(s) -
Mojtaba Dehqani Tafti,
Faramarz Doulati Ardejani,
Mohammad Fatehi Marji,
Yousef Shiri
Publication year - 2021
Publication title -
rudarsko-geološko-naftni zbornik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 12
eISSN - 1849-0409
pISSN - 0353-4529
DOI - 10.17794/rgn.2021.5.5
Subject(s) - groundwater , aquifer , tailings , groundwater flow , pollutant , permeability (electromagnetism) , environmental science , hydraulic head , leachate , porous medium , geotechnical engineering , petroleum engineering , geology , environmental engineering , waste management , porosity , materials science , engineering , chemistry , organic chemistry , membrane , biology , metallurgy , genetics
Mining wastes are a great source of pollutants. Open-pit backfill materials can be found as waste rock and as tailings. The aim of the current study was the investigation of the contaminant transportation pathways by groundwater flow from these waste materials through heterogeneous porous media. Numerical Lattice Boltzmann Method (LBM) was used for examining the effects of different factors on pollutant transportation through groundwater beneath the waste materials. Grain size, vertical and horizontal fracturing, and hydraulic pressure gradient were factors considered here. The results showed that contaminant transportation by the groundwater flow from the waste materials through porous media depends on primary and secondary matrix porosity of the open-pit material, heterogeneity in permeability of aquifer rock, and hydraulic head of groundwater.