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TU Berlin

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Following the links below you find a continuously updated publication list of our group. In order to have an overview of our current publications please visit d|b|t|a's page on ResearchGate: Fachgebiet Dynamik und Betrieb technischer Anlagen

Critical Evaluation of Different Mass Transfer Models Taking Zinc Extraction as an Example
Zitatschlüssel Klapper2011a
Autor P. Klapper and J.-U. Repke and S. Raatz
Seiten 1966–1973
Jahr 2011
DOI 10.1002/ceat.201100314
Journal Chemical Engineering & Technology
Jahrgang 34
Nummer 12
Monat nov
Verlag Wiley
Zusammenfassung Abstract Different mass transfer models were evaluated on the basis of zinc extraction with the liquid ion exchanger di(2?ethylhexyl)phosphoric acid. Comparison of the models showed that the film model inadequately describes the time dependence of zinc concentration in aqueous solution. The best match of the measured time?concentration profiles was achieved by adapting the film?penetration model. Studies were carried out in a stirred cell with a planar interface stabilized by the mixing conditions. Under the chosen experimental conditions mass transfer was limited by zinc transfer in the aqueous phase. The mass transfer equations of each model were solved analytically using empirical correlations for the modeling parameters.
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