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Volume 4, 2009 - Number 2
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THE HEAVY METAL SORPTION ON CLAY MINERALS AND RISK OF THE AMD FORMATION
AT THE REINER AND Podlipa dump-fieldS
at Ľubietová DEPOSIT (Slovakia)
Peter ANDRÁŠ1,2, Adam LICHÝ3, Ivan KRIŽÁNI2 & Jana RUSKOVÁ4
1Department of Ecology and Environmental Education, Matej Bel University, Tajovského 40, 974 01 Banská Bystrica, Slovakia 2Geological Institute, Slovak Academy of Sciences, Severná 5, 974 01 Banská Bystrica, Slovakia, andras@savbb.sk 3Envigeo, Kynceľová 2, 974 11 Banská Bystrica, Slovakia, ; e-mail: lichy@envigeo.sk 4Regionál Office of Public Health verejného zdravotníctva, Cesta k nemocnici 1, 974 01 Banská Bystrica; e-mail: jana.ruskova@vzbb.sk THE HEAVY METAL SORPTION ON CLAY MINERALS AND RISK OF THE AMD FORMATION AT THE REINER AND Podlipa dump-fieldS at Ľubietová DEPOSIT (Slovakia) Full text
Abstract:
The study realised at the Reiner and Podlipa dump-fields at the Ľubietová deposit present the results of the heavy metal distribution, which depend on the geochemical behaviour of the elements (mainly on their migration ability). Weathering of the reactive minerals mobilise the heavy metals and numerous next elements. This process cause the contamination of the landscape components. The present natural sorbents are predominantly the clay minerals (illite, muscovite, caolinite, smectite) and hydrogoethite. The clay minerals are good sorbents of V, Cr, Ti, W, Zr, Nb, Ta, Th and at the hydrogoethite of Cu, Zn, Mo, Mn, Mg, ( Fe, Cd, Co, Ca). In the case of the Fe, As, Sb, Ag, Pb, Zn, Mn, Mo, Bi, U was proved also the free sorption capacity. Calculation of the AMD formation potential (neutralisation potential, total acidity production, net neutralisation potential) is discussed. The result suggest that at the localities Reiner and Podlipa is the assumption of AMD production very limited and the environmental risk is negligible. |
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