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WFD, E. (2000) Directive 2000/60/EC of the European Parliament and of the Council Establishing a Framework for the Community Action in the Field of Water Policy. Joint Text Approved by the Conciliation Committee Provided for in Article, 251.

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• TITLE: Adsorption of Naphthalene on Clay and Sandy Soil from Aqueous Solution

  AUTHORS: Ebuwa I. Osagie, Chiedu N. Owabor

  KEYWORDS: Adsorption, Naphthalene, Kinetic Models, Equilibrium, Isotherms, Clay, Sandy Soil

  JOURNAL NAME: Advances in Chemical Engineering and Science, Vol.5 No.3, July 13, 2015

  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.