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• TITLE: Adsorption of Benzene in Batch System in Natural Clay and Sandy Soil

  AUTHORS: EbuwaI Osagie, Chiedu N. Owabor

  KEYWORDS: Adsorption, Benzene, Natural Clay, Sandy Soil, Sorption Isotherms

  JOURNAL NAME: Advances in Chemical Engineering and Science, Vol.5 No.3, July 20, 2015

  ABSTRACT: The adsorption potential of clay and sandy soil to remove benzene from liquid-phase system was examined. A series of batch adsorption tests were carried out for various concentrations of benzene (50 - 250 mg/l) in tightly corked 1000 ml flasks for clay and sandy soil, respectively. Equilibrium and kinetics data were obtained from the batch experiments. Adsorption increased with increasing initial benzene concentration. The equilibrium data obtained from the adsorption of benzene were well fitted to the Freundlich isotherm model. The adsorption kinetics process showed that the kinetic model of pseudo second-order was the best fit to the experimental data. The results showed that clay and sandy soil had good potential for the removal of aromatic hydrocarbon, benzene from aqueous solution.