ASSESSING POLLUTION FROM TRACE METALS ELEMENTS AND ANALYSING ECOLOGICAL RISKS IN THE TAILINGS FACILITY AND SURROUNDING SOILS AT THE SABODALA MINE

  • Institute of Environmental Sciences (IES), Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar.
  • Higher National School of Mines and Geology (ENSMG) - Cheikh Anta Diop University of Dakar.
  • Inorganic and Analytical Chemistry Laboratory, Department of Chemistry, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar.
  • Amadou Moctar Mbow University of Diamniadio (Dakar.)
  • Centre De Suivi Ecologique (Dakar).
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Contamination and pollution of soil by trace metal elements (TM) pose serious environmental and health problems because they are not biodegradable. Trace metals are naturally present in soils in varying concentrations. However, these concentrations increase with mining activities, forming stocks of pollutants that are potentially toxic to the environment. This study seeks to quantify the TM content in the tailings facility and surrounding soils at the Sabodala mine. A total of seven samples of mine tailings and soil were taken from the tailings pond (S1 to S7) and eight from the soil surrounding the pond (S8 to S14). Geochemical characterization was performed using inductively coupled plasma atomic emission spectroscopy (ICP-AES). The results obtained show that the average concentration values are very disparate and vary depending on the metal and the sampling site.

[Mor Diop, Jean Henri Bienvenue Sene, Babacar Diouf, Maguatte Ndiaye, Ibrahima Mall, El Hadji Mamadou Sonko, Tidiane Diop and Cheikh Mbow (2025); ASSESSING POLLUTION FROM TRACE METALS ELEMENTS AND ANALYSING ECOLOGICAL RISKS IN THE TAILINGS FACILITY AND SURROUNDING SOILS AT THE SABODALA MINE Int. J. of Adv. Res. (Oct). 579-593] (ISSN 2320-5407). www.journalijar.com

Tidiane DIOP
3Inorganic and Analytical Chemistry Laboratory, Department of Chemistry, Faculty of Sciences and Techniques, Cheikh Anta Diop University of Dakar
Senegal

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