Abstract:Two different coal mine-impacted water (MIW) treatments (biological via biostimulation of sulfate-reducing bacteria (SRB), and electrocoagulation (elC)) were proposed, reaching efficiencies of up to 99.79% in relation to SO42-, Fe, Mn, and Al ions, as well as acidity removals. Thus, toxicological assays with duckweed Landoltia punctata were performed, in order to verify the safeness and usability of the two treated waters. Therefore, duckweeds were exposed to different dilutions (0, 25, 50, 75, and 100% of sam… Show more
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