alexa Energetic and Thermodynamic Analysis of Adsorption Isotherm Type VI of Xenon on Graphite Nanotubes
ISSN: 2157-7544

Journal of Thermodynamics & Catalysis
Open Access

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Research Article

Energetic and Thermodynamic Analysis of Adsorption Isotherm Type VI of Xenon on Graphite Nanotubes

Manel Ben Yahia1,2*, Mohamed Ben Yahia1, Fatma Aouaini1 and Abdemottaleb Ben Lamine1
1Department of Physics, Faculty of Science, King AbdulAziz University, Rabigh, Saudi Arabia
2Laboratory of Quantum Physics, Faculty of Science, Monastir University, Monastir, Tunisia
Corresponding Author : Manel Ben Yahia
Department of Physics
Faculty of Science, King AbdulAziz University
Rabigh 21911, Saudi Arabia
Tel: 0554285994
E-mail: [email protected]
Received November 29, 2015; Accepted December 08, 2015; Published December 18, 2015
Citation: Yahia MB, Yahia MB, Aouaini F, Lamine AB (2015) Energetic and Thermodynamic Analysis of Adsorption Isotherm Type VI of Xenon on Graphite Nanotubes. J Thermodyn Catal 6:154. doi:10.4172/2157-7544.1000154
Copyright: © 2015 Yahia MB, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

New theoretical expressions for the modeling of adsorption isotherms of Xenon on Graphite at 110 K have been established. The establishment of these new expressions is based on statistical physics formalism and some working assumptions. This method allowed estimation of physico-chemical parameters in the theoretical model. The parameters intervening in the adsorption process have been deduced directly from experimental adsorption isotherm by numerical simulation. The proposed models allow a good correlation to Type VI experimental isotherms. We mainly introduce three parameters affecting the adsorption process, namely, the density of Xenon receptor sites NM, the number of molecules per site n and the Xenon adsorption energy. Then we apply the model to calculate thermodynamics functions which govern the adsorption mechanism such as entropy, free enthalpy and internal energy.

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