Discrete equilibrium data from dynamic column breakthrough experiments / Reza Haghpanah in Industrial & engineering chemistry research, Vol. 51 N° 45 (Novembre 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 45 (Novembre 2012) . - pp. 14834-14844 Titre : Discrete equilibrium data from dynamic column breakthrough experiments Type de document : texte imprimé Auteurs : Reza Haghpanah, Auteur ; Arvind Rajendran, Auteur ; Shamsuzzaman Farooq, Auteur Année de publication : 2013 Article en page(s) : pp. 14834-14844 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Isotherm Discrete equilibrium data Résumé : A new method for extracting discrete equilibrium data from a set of dynamic column breakthrough experiments is described. Instead of the classical approach where an isotherm model, i.e., a function, is used to describe the equilibrium, this approach represents the isotherm as a set of discrete points. For a given set of discrete fluid phase concentrations, an optimization method is used to determine the corresponding solid loadings that lead to the best-fit prediction of the experimental breakthrough profile. In this work, we develop the algorithm and validate it using single-component case studies, for a variety of isotherm shapes. The practical use of the method is demonstrated by applying it to experimentally measured breakthrough profiles taken from the literature. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3015457 [article] Discrete equilibrium data from dynamic column breakthrough experiments [texte imprimé] / Reza Haghpanah, Auteur ; Arvind Rajendran, Auteur ; Shamsuzzaman Farooq, Auteur . - 2013 . - pp. 14834-14844. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 45 (Novembre 2012) . - pp. 14834-14844 Mots-clés : Isotherm Discrete equilibrium data Résumé : A new method for extracting discrete equilibrium data from a set of dynamic column breakthrough experiments is described. Instead of the classical approach where an isotherm model, i.e., a function, is used to describe the equilibrium, this approach represents the isotherm as a set of discrete points. For a given set of discrete fluid phase concentrations, an optimization method is used to determine the corresponding solid loadings that lead to the best-fit prediction of the experimental breakthrough profile. In this work, we develop the algorithm and validate it using single-component case studies, for a variety of isotherm shapes. The practical use of the method is demonstrated by applying it to experimentally measured breakthrough profiles taken from the literature. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3015457

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