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Catalysts 2015, 5(2), 653-670; doi:10.3390/catal5020653

Non-Calorimetric Determination of the Adsorption Heat of Volatile Organic Compounds under Dynamic Conditions

Laboratory LGCVR, UAE/L01FST, Faculty of Sciences and Techniques, University Abdelmalek Essaadi, B.P. 416 Tangier, Morocco
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Author to whom correspondence should be addressed.
Academic Editor: Jean-François Lamonier
Received: 23 January 2015 / Revised: 9 April 2015 / Accepted: 14 April 2015 / Published: 22 April 2015
(This article belongs to the Special Issue Catalytic Removal of Volatile Organic Compounds)
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Abstract

Avoiding strong chemical bonding, as indicated by lower heat of adsorption value, is among the selection criteria for Volatile Organic Compounds adsorbents. In this work, we highlight a non-calorimetric approach to estimating the energy of adsorption and desorption based on measurement of involved amounts, under dynamic conditions, with gaseous Fourier Transform Infrared spectroscopy. The collected data were used for obtaining adsorption heat values through the application of three different methods, namely, isosteric, temperature programmed desorption (TPD), and temperature-programmed adsorption equilibrium (TPAE). The resulting values were compared and discussed with the scope of turning determination of the heat of adsorption with non-calorimetric methods into a relevant decision making tool for designing cost-effective and safe operating of adsorption facilities. View Full-Text
Keywords: clay; bentonite; silica; dynamic adsorption; FTIR; heat of adsorption; isosteric; TPD; TPAE clay; bentonite; silica; dynamic adsorption; FTIR; heat of adsorption; isosteric; TPD; TPAE
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Korrir, A.; Kasmi, A.E.; Assebban, M.; Souikny, A.; Haffane, S.; Achak, O.; Chafik, T. Non-Calorimetric Determination of the Adsorption Heat of Volatile Organic Compounds under Dynamic Conditions. Catalysts 2015, 5, 653-670.

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