Adsorption of ethanol onto activated carbon: Modeling and consequent interpretations based on statistical physics treatment

Mohamed Bouzid, Lotfi Sellaoui, Mohamed Khalfaoui, Hafedh Belmabrouk and Abdelmottaleb Ben Lamine

Physica A: Statistical Mechanics and its Applications, 2016, vol. 444, issue C, 853-869

Abstract: In this work, we studied the adsorption of ethanol on three types of activated carbon, namely parent Maxsorb III and two chemically modified activated carbons (H2–Maxsorb III and KOH–H2–Maxsorb III). This investigation has been conducted on the basis of the grand canonical formalism in statistical physics and on simplified assumptions. This led to three parameter equations describing the adsorption of ethanol onto the three types of activated carbon. There was a good correlation between experimental data and results obtained by the new proposed equation. The parameters characterizing the adsorption isotherm were the number of adsorbed molecules (s) per site n, the density of the receptor sites per unit mass of the adsorbent Nm, and the energetic parameter p1/2.

Keywords: Adsorption isotherms; Statistical physics; Modeling; Ethanol; Activated carbon (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:444:y:2016:i:c:p:853-869

DOI: 10.1016/j.physa.2015.09.097

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