Removal of Cd, Cu, Ni, and Pb from Nanoscale Zero-Valent Iron Amended Soil Using 0.1 M Acetic Acid Solution

Abstract The purpose of the study was to evaluate possibility removing heavy metal cations from single-metal spiked soil samples, which were pretreated with nanoscale zero-valent iron (nZVI) particles. Sandy artificially contaminated copper (Cu), cadmium (Cd), nickel (Ni), and lead (Pb). Contaminated samples amended different doses nZVI (0.35, 0.70 1.05 %). A sequential extraction method used determine fractionation in control samples. solution 0.1 M acetic acid (pH 3.0) investigate removal metals nZVI-amended results showed that reduced amount exchangeable form increased proportion these associated amorphous (Fe) oxides. also efficiencies increasing dose, is, 46.9 %, 5.77 33.5 2.70 % 55.9 12.3 46.2 3.79 for Cd, Cu, Ni, Pb, respectively. indicated application could be beneficial subsequent using solution.