Título:
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Cr(III) removal from aqueous solutions: a straaightforward model approaching of the adsorption in a fixed-bed column
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Autor/a:
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Dorado Castaño, Antonio David; Gamisans Noguera, Javier; Valderrama Angel, César Alberto; Solé Sardans, Maria Montserrat; Lao Luque, Concepción
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Otros autores:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Minera i Recursos Naturals; Universitat Politècnica de Catalunya. Departament d'Enginyeria Química; Universitat Politècnica de Catalunya. ERNMA - Enginyeria dels Recursos Naturals i Medi Ambient; Universitat Politècnica de Catalunya. SETRI - Grup de Tècniques de Separació i Tractament de Residus Industrials |
Abstract:
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Prediction of breakthrough curves for continuous sorption characterization is generally performed by means of simple and simplified equations. These expressions hardly have any physical meaning and, also do not allow extrapolation. A novel and simple approach, based on unsteady state mass balances, is presented herein for the simulation of the adsorption of Cr(III) ions from aqueous onto a low-cost adsorbent (leonardite). The proposed model overcomes the limitations of the commonly used analytical solution-based models without the need for complex mathematical methods. A set of experimental breakthrough curves obtained from lab-scale, fixed-bed columns was used to calibrate and validate the proposed model with a minimum number of parameters to be adjusted. |
Abstract:
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Peer Reviewed |
Materia(s):
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-Àrees temàtiques de la UPC::Enginyeria química -Àrees temàtiques de la UPC::Enginyeria química::Química del medi ambient -Environmental geochemistry -Geochemistry -- Mathematical models -Adsorption -Chromium -Continuous -Breakthrough curve -Modeling -Adsorció -Geoquímica ambiental |
Derechos:
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Tipo de documento:
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Artículo - Borrador Artículo |
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