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Effects of organic/inorganic amendments on trace elements dispersion by leachates from sulfide-containing tailings of São Domingos mine, Portugal. Time evaluation

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Academic year: 2021

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Fig. 1. Variation, with time, of pH and electrical conductivity in leachates, obtained by percolation, from sulfide mine wastes without and with amendment application at 30 and 75 Mg/ha (Mean ± SD; n = 4).
Fig. 2. Variation, with time, of anion concentrations in leachates, obtained by percolation, from sulfide mine wastes without and with amendment application at 30 and 75 Mg/ha (Mean ± SD; n = 4)
Fig. 3. Variation, with time, of cation concentrations in leachates, obtained by percolation, from sulfide mine wastes without and with amendment application at 30 and 75 Mg/ha (Mean ± SD;n = 4)
Fig. 4. X-ray diffractograms of two samples (A and B) of the surface efflorescent salts identified in control collected after one month of incubation.
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