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Adsorption of Naphthalene on Clay and Sandy Soil from Aqueous Solution

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DOI: 10.4236/aces.2015.53036    2,746 Downloads   3,274 Views   Citations

ABSTRACT

The adsorption behavior of naphthalene using clay and sandy soil as adsorbents is examined under ambient conditions. The adsorption equilibrium of naphthalene on clay and sandy soil was evaluated by the Langmuir, Freundlich and Tempkin isotherms. The results showed that the equilibrium data for naphthalene fitted the Freundlich model best within the concentration range studied for both clay and sandy soil. Experimental results showed that the time taken to attain adsorption equilibrium for naphthalene was 26 hrs and 20 hrs for clay and sandy soil, respectively. Among the tested kinetic models in this study, the pseudo-second order successfully predicted the adsorption process.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Osagie, E. and Owabor, C. (2015) Adsorption of Naphthalene on Clay and Sandy Soil from Aqueous Solution. Advances in Chemical Engineering and Science, 5, 345-351. doi: 10.4236/aces.2015.53036.

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