Studies of Competitive Cu2+, Co2+ and Cr3+ Sorption in Grey-Brown Podzolic Soils
T. Paszko
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Department of Chemistry, University of Agriculture, Akademicka 15, 20-950 Lublin, Poland
Pol. J. Environ. Stud. 2003;12(4):439-446
Studies of competitive sorption were carried out using the three-component solution CuCl2, CoCl2 and CrCl3 in two grey-brown podzolic soils saturated with Ca2+ cations. In most cases in batch experiments the Freundlich equation was the best to describe the sorption process. The linear sorption equation was success-fully applied to describe Cr3+ and Cu2+ sorption in column experiments. A significant effect of Cu2+ and Cr3+ on Co2+ sorption was found in both column and batch experiments. Sorption of ions of the studied heavy metals was not equivalent to Ca2+ desorption from soil.
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