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Greenhouse soils and arable (wheat field) soil samples were collected to identify the effects of greenhouse cultivation on the accumulation of six heavy metals (Cd, Cu, Zn, Pb, Cr, and Ni) and to evaluate the likely sources responsible for heavy metal accumulation in the irrigated desert soils of Wuwei District, China. The results indicated that the mean concentrations of Cd, Cu, Zn, Pb, Cr,...
The aim of this study was the removal of Cu2+, Zn2+ by ion-exchange resin Amberjet 1200H in flow condition. The adsorption characteristics of each metal onto the resin were accurately described by Freundlich isotherms. Ion exchange capacities of the heavy metals on the ion exchange resin were studied in a single metal solution. The capacities of sorption were 2.13 eq. Zn/l, and 2.74 eq. Cu/l respectively,...
A column filtering experiment was conducted to investigate interaction between an acidic mine water and an agricultural soil material during percolation of the mine water through the soil column. The results show that the mine water-borne mineral acid, Cu, Pb, Zn and Cd was markedly held by the soil during the earlier stage of the experiment. Approximately 1/3 of the retained acid was only physically...
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