Geochemical fractionation of mining effluents and manganese mitigation in mining
DOI:
https://doi.org/10.62428/rcvp2025422078Keywords:
Acid drainage, geochemical fractionation, mitigación, sostenibilidad ambientalAbstract
The objective was to optimize economic recovery in the treatment of acidic mining waste effluents. Their metallic components were fractionated through geochemical processes, utilizing their physicochemical properties and stability of the elements Fe+3, Mn+4, and Zn+2, converting them from liquid to solid phases, controlling the pH with a saturated solution of lime and sodium sulfide. Sludges with economic values for iron, manganese, and zinc were obtained; Mn+2 was also removed by oxidation with chlorine to its solid phase. All of the above was used to design a plant for its mitigation and to meet water quality standards and achieve economic, social, and environmental sustainability.
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