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Multiplicity behavior of trickle flow liquid−solid mass transfer / Rita Joubert in Industrial & engineering chemistry research, Vol. 48 N° 18 (Septembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 18 (Septembre 2009) . - pp. 8387–8392 Titre : Multiplicity behavior of trickle flow liquid−solid mass transfer Type de document : texte imprimé Auteurs : Rita Joubert, Auteur ; Willie Nicol, Auteur Année de publication : 2010 Article en page(s) : pp. 8387–8392 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Multiplicity  Liquid−solid  mass  transfer Résumé : Dissolution as well as electrochemical techniques confirmed the existence of multiplicity. The commonly accepted upper multiplicity branch (achieved by Kan liquid prewetting) outperformed the lower branch (achieved by Levec prewetting) by as much as 1.6 times in Sherwood numbers. Although similar trends were observed for the two measurement techniques, the dissolution measurements were significantly lower than the electrochemical measurements. It was further shown that the multiplicity behavior of liquid−solid mass transfer is not linked solely to liquid hold-up and wetting efficiency variations, indicating major differences in flow structures between the multiplicity modes employed. In addition, a decrease in Sherwood numbers with bed depth was observed for both multiplicity modes. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9002552 [article] Multiplicity behavior of trickle flow liquid−solid mass transfer [texte imprimé] / Rita Joubert, Auteur ; Willie Nicol, Auteur . - 2010 . - pp. 8387–8392. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 18 (Septembre 2009) . - pp. 8387–8392 Mots-clés : Multiplicity  Liquid−solid  mass  transfer Résumé : Dissolution as well as electrochemical techniques confirmed the existence of multiplicity. The commonly accepted upper multiplicity branch (achieved by Kan liquid prewetting) outperformed the lower branch (achieved by Levec prewetting) by as much as 1.6 times in Sherwood numbers. Although similar trends were observed for the two measurement techniques, the dissolution measurements were significantly lower than the electrochemical measurements. It was further shown that the multiplicity behavior of liquid−solid mass transfer is not linked solely to liquid hold-up and wetting efficiency variations, indicating major differences in flow structures between the multiplicity modes employed. In addition, a decrease in Sherwood numbers with bed depth was observed for both multiplicity modes. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9002552