Interaction of Metallic Iron with Solutions Containing Humic Acids and Cu(II) ( Vol-2,Issue-6,November - December 2017 )
Author: Rima Binkienė, Ona Gylienė, Romas Ragauskas, Valentinas Gerasimovas
Keyword: Humic acids; Copper ions, Metallic iron; Decontamination.
Abstract: Humic acids are responsible for the heavy metal movement in the environment. In order to diminish soil pollution with heavy metals the treatment of groundwater with metallic iron has been proposed. Investigations with model solutions containing humic acids and Cu(II) have shown that metallic iron is an effective decontaminant for humic acids containing solutions. The application of the mechanical brush-up of the passive layers from surface using rotating systems loaded with iron pieces gives satisfactory results. The decontamination rate depends mainly on solution pH and the iron surface renewal rate. The presence of Cu(II) ions in the solution or metallic copper in the load increase the decontamination rate.
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