Abstract
AbstractThe technique of simultaneous measurement of the mass transfer coefficient and the interfacial area (Robinson and Wilke, 1974) was used to measure the volumetric liquid‐phase mass transfer coefficient \documentclass{article}\pagestyle{empty}\begin{document}$\left({k_L \underline a} \right)$\end{document}, the interfacial area \documentclass{article}\pagestyle{empty}\begin{document}$\left({\underline a} \right)$\end{document} and the true liquid‐phase mass transfer coefficient (kL) in three‐phase fluidized beds. The eddy‐cell model of Lamont and Scott (1970) was found to give a reasonable fit to the kL data, if the proportionality constant is modified. The \documentclass{article}\pagestyle{empty}\begin{document}$k_L \underline a$\end{document} and \documentclass{article}\pagestyle{empty}\begin{document}$\underline a$\end{document} data were correlated by empirical equations. Some information on bubble diameter was deduced from the interfacial area and holdup measurements.
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