Ewa Cukrowska

TL;DR: This study revealed that the ground water within the mining district is heavily contaminated and acidified as a result of oxidation of pyrite (FeS2) contained within mine tailings dumps, and has elevated concentrations of heavy metals.

TL;DR: A number of models are being developed now which can quantitatively predict movements and sorption of heavy metals in soil with good accuracy as mentioned in this paper, however, investigations for determining chemical properties of soil, heavy metal interactions, should continue because a lot of questions about this strongly heterogenic matrix is still not answered.

TL;DR: The adsorption capabilities for the removal of parts per billion levels (ppb) of hexavalent chromium by three adsorbents namely functionalized multi-walled carbon nanotubes (MWCNTs), functionalized and non-functionalized MWCNTs were investigated as a function of contact time, initial solution pH, initial Cr(VI) concentrations and the presence of competing anions.

TL;DR: Water quality in the immediate vicinity of mine tailings in and around Johannesburg, South Africa was investigated in this article, where the authors found that water quality improves away from the tailings area.

TL;DR: In this article, the effects of the pH of solution, contact time, initial concentration and presence of other metals that could compete with uranium for adsorption sites were investigated in batch adaption experiments.