Abstract
The possibility of using cork stopper particles as a biosorbent for the removal of Cd (II) and Zn (II) from simulated wastewater was studied. Batch sorption experiments of single and binary components systems were conducted as a function of pH, sorbent dosage; contact time, and agitation speed were investigated to optimize the best conditions for maximum of metal ions removal. The experimental data fitted slightly best to the Langmuir isotherm model than to Freundlich and Temkin isotherm models. The experimental data proved that the adsorption kinetic of Cd (II) and Zn (II) could be described by a pseudo-first order model. The sequence for metal ions removal in single and binary system was Zn (II)> Cd (II), the removal efficiency of both metals decreased in the binary system.
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