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Effects of mass transfer on the steady state and dynamic performance of a Kühni column / Luísa N. Gomes in Industrial & engineering chemistry research, Vol. 48 N° 7 (Avril 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 7 (Avril 2009) . - pp. 3580–3588 Titre : Effects of mass transfer on the steady state and dynamic performance of a Kühni column : experimental observations Type de document : texte imprimé Auteurs : Luísa N. Gomes, Auteur ; Margarida L. Guimarães, Auteur ; Johann Stichlmair, Auteur Année de publication : 2009 Article en page(s) : pp. 3580–3588 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Kühni  column  Mass  transfer  Steady  state  Dynamic  behavior Résumé : Experimental data obtained in a pilot-scale Kühni liquid−liquid extraction column were used to obtain local drop size distributions, dispersed-phase hold-up profiles, and solute concentrations. To obtain information about the dynamic behavior of the column, several experiments were planned and performed, under both steady and controlled transient conditions, with and without mass transfer. The analysis of the effects of the presence of a transferring solute (not of the mass transfer flux itself) on the dispersion’s steady state and dynamic behavior was the main objective. For this, we imposed forced step variations in the operating conditions − agitation intensity and continuous and dispersed-phase flowrates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801034a [article] Effects of mass transfer on the steady state and dynamic performance of a Kühni column : experimental observations [texte imprimé] / Luísa N. Gomes, Auteur ; Margarida L. Guimarães, Auteur ; Johann Stichlmair, Auteur . - 2009 . - pp. 3580–3588. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 7 (Avril 2009) . - pp. 3580–3588 Mots-clés : Kühni  column  Mass  transfer  Steady  state  Dynamic  behavior Résumé : Experimental data obtained in a pilot-scale Kühni liquid−liquid extraction column were used to obtain local drop size distributions, dispersed-phase hold-up profiles, and solute concentrations. To obtain information about the dynamic behavior of the column, several experiments were planned and performed, under both steady and controlled transient conditions, with and without mass transfer. The analysis of the effects of the presence of a transferring solute (not of the mass transfer flux itself) on the dispersion’s steady state and dynamic behavior was the main objective. For this, we imposed forced step variations in the operating conditions − agitation intensity and continuous and dispersed-phase flowrates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie801034a