Remediation potential of mining, agro-industrial, and urban wastes against acid mine drainage.

ABSTRACT: Acid mine drainage (AMD) poses serious consequences for human health and ecosystems. Novel strategies for its treatment involve the use of wastes. This paper evaluates the remediation potential of wastes from urban, mining and agro-industrial activities to address acidity and high concentrations of potentially toxic elements (PTE) in AMD. Samples of these waste products were spiked with an artificially prepared AMD, then pH, electrical conductivity (EC), and PTE concentrations in the leachates were measured. The artificial AMD obtained through oxidation of Aznalcóllar's tailing showed an ultra-acid character (pH - 2.89 ± 0.03) and extreme high electrical conductivity (EC - 3.76 ± 0.14 dS m^-1). Moreover, most PTE were above maximum regulatory levels in natural and irrigation wate

SUBMITTER: Aguilar-Garrido A 

PROVIDER: S-EPMC10372011 | biostudies-literature | 2023 Jul

REPOSITORIES: biostudies-literature