Carpathian Journal of Earth and Environmental Sciences

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.

Peter ANDRÁŠ, Adam LICHÝ, Ivan KRIŽÁNI & Jana RUSKOVÁ (2009). THE HEAVY METAL SORPTION ON CLAY MINERALS AND RISK OF THE AMD FORMATION AT THE REINER AND Podlipa dump-fieldS at Ľubietová DEPOSIT (Slovakia)