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Pressure drop in pulsed extraction columns with internals of discs and doughnuts

Angelov, George and Gourdon, Christophe Pressure drop in pulsed extraction columns with internals of discs and doughnuts. (2012) Chemical Engineering Research and Design, 90 (7). 877-883. ISSN 0263-8762

(Document in English)

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Official URL: http://dx.doi.org/10.1016/j.cherd.2011.10.011


A study on the pressure drop in pulsed extraction columns with internals of immobile discs and rings, usually called Discs and Doughnuts Columns (DDC) is carried out. The local pressure at a desired level of the column is obtained by resolving of turbulent flow model based on Reynolds equations coupled with k–ε model of turbulence. Consequently, the pressure drop for a column stage or for a unit of column length is determined. The results are used for development of correlations for determination of pressure drop as a function of plate free area, interplate distance and pulsation parameters - amplitude and frequency. Good correspondence to experimental data is observed. The developed quantitative relations are useful for non-experimental numerical optimization of stage geometry in view of lesser energy consumption.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF can be found at Chemical Engineering Research and Design website: http://www.sciencedirect.com/science/article/pii/S0263876211003960
HAL Id:hal-00880484
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Bulgarian Academy of Sciences (BULGARIA)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Laboratory name:
Deposited On:06 Nov 2013 10:27

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