Composition dynamics in perforated plate liquid extraction columns

Ettouney, R.S.; El-Rifai, M.A.

doi:10.1016/j.cherd.2011.02.016

Cited by 10 publications

(1 citation statement)

References 14 publications

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“…The drop size, together with the dispersed phase holdup, determines the interfacial area required for mass transfer . Thus, they affect both the dispersed phase and continuous phase mass transfer coefficients.…”

Section: Resultsmentioning

confidence: 71%

Effects of silica nanoparticles on the mean drop size and drop‐size distribution in a Scheibel extraction column

Houshyar

Torab‐Mostaedi

Mousavi

et al. 2017

Asia-Pacific J Chem Eng

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In this study, the effect of hydrodynamic parameters such as rotor speed, dispersed phase velocity, continuous phase velocity on the drop size distribution and the Sauter mean-drop diameter (d 32 ) were studied in the absence and presence of silica nanoparticles with the different weight fraction of them (0.01, 0.03 and 0.05 wt%) in a Scheibel extraction column. The experiment was conducted in a toluene/water system, and the results indicated that the effect of the rotor speed on the Sauter mean-drop diameter was far more significant than the effect of the dispersed and continuous phase velocities. Also, the effects of the hydrodynamic parameters are more significant in lower concentration of silica nanoparticles. The log-normal probability distribution function was used to predict the drop-size distribution. Furthermore, some correlations were presented to anticipate the parameters of this function and the mean drop size in terms of the operating parameters and the physical properties of the systems. These equations conformed well to the empirical data. Figure 5. Effect of silica nanoparticles concentration on d 32 (V d = V c = 8.8 × 10 À4 (m/s)).

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Section: Resultsmentioning

confidence: 71%