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Removal of atenolol and isoproturon in aqueous solutions by adsorption in a fixed - bed column / José Luis Sotelo in Industrial & engineering chemistry research, Vol. 51 N° 13 (Avril 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 13 (Avril 2012) . - pp. 5045–5055 Titre : Removal of atenolol and isoproturon in aqueous solutions by adsorption in a fixed - bed column Type de document : texte imprimé Auteurs : José Luis Sotelo, Auteur ; Gabriel Ovejero, Auteur ; Araceli Rodríguez, Auteur Année de publication : 2012 Article en page(s) : pp. 5045–5055 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Atenolol  Isoproturon  Adsorption Résumé : In this work, the removal of a β-blocker, atenolol, and a pesticide, isoproturon, from aqueous solutions by adsorption on granular activated carbon fixed-bed columns has been studied. The effect of important operation parameters on breakthrough curves as column length (Z = 1.0–3.0 cm), initial concentration of atenolol or isoproturon (C0 = 50.0–500.0 μg·L–1), and volumetric flow rate (Q = 1.5 mL·min–1) was studied. Breakthrough time of the bed was found to increase with an increase in the value of the column length, and with a decrease in the value of initial concentration or flow rate. Mathematical models, as Bohart–Adams, Thomas, Yoon–Nelson, and Clark were applied to the experimental data for the prediction of the breakthrough curves, and to determine the characteristic parameters of the bed. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300334q [article] Removal of atenolol and isoproturon in aqueous solutions by adsorption in a fixed - bed column [texte imprimé] / José Luis Sotelo, Auteur ; Gabriel Ovejero, Auteur ; Araceli Rodríguez, Auteur . - 2012 . - pp. 5045–5055. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 13 (Avril 2012) . - pp. 5045–5055 Mots-clés : Atenolol  Isoproturon  Adsorption Résumé : In this work, the removal of a β-blocker, atenolol, and a pesticide, isoproturon, from aqueous solutions by adsorption on granular activated carbon fixed-bed columns has been studied. The effect of important operation parameters on breakthrough curves as column length (Z = 1.0–3.0 cm), initial concentration of atenolol or isoproturon (C0 = 50.0–500.0 μg·L–1), and volumetric flow rate (Q = 1.5 mL·min–1) was studied. Breakthrough time of the bed was found to increase with an increase in the value of the column length, and with a decrease in the value of initial concentration or flow rate. Mathematical models, as Bohart–Adams, Thomas, Yoon–Nelson, and Clark were applied to the experimental data for the prediction of the breakthrough curves, and to determine the characteristic parameters of the bed. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie300334q