Our news journalists obtained a quote from the research from the Faculty of Sciences, "It was shown that the adsorption of Co2+, Pb2+ and Cd2+ ions occurred only at the optimum pH. Kinetic studies showed that the optimum agitation periods for adsorption of Pb2+, Cd2+ and Co2+ ions were about 20 min, 30 min and 40 min, respectively. Langmuir and Freundlich equations were used for analysing the experimental data, which showed a better fit to the Langmuir model. Equilibrium parameters of adsorption were determined for both models. Maximum adsorption capacities for Cobalt, Cadmium and Lead were 73.98, 68.52 and 78.67 (mg.g(-1)), respectively."
According to the news editors, the research concluded: "The high amounts of adsorbed heavy metal ions demonstrates the great efficiency of cross-linked chitosan gel beads which can be considered as an alternative material for the removal of metal ions from polluted water."
For more information on this research see: Removal of heavy-metal ion by adsorption on chitosan gel beads.
Our news journalists report that additional information may be obtained by contacting E. Lemrabet, UCD Univ, Fac Sci,
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