A POLUIÇÃO CAUSADA POR ATERROS DE RESÍDUOS SÓLIDOS URBANOS SOBRE OS RECURSOS HÍDRICOS

Alessandro Samuel Rosa, Ricardo Simão Diniz Dalmolin, André Carlos Cruz Copetti

Abstract


This study shows that Caturrita closed landfill site (Santa Maria, RS, Brazil)causes a large contamination of superficial water resources. There areproblems in the leachate collection system and the stabilization ponds areineffective in removing the pollutant load of the leachate collected. Sinceresidue decomposition may take several decades after landfill closure, the potential of environmental contamination may be even larger. Estimatesshow that until the complete stabilization of the landfill site it still may introduce14,5 Mg of soluble organic carbon, phosphorus, nitrogen, sodium,potassium, calcium and iron ions directly in superficial water bodies.



DOI: https://doi.org/10.5902/2179460X9357

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