JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Online ISSN : 1881-1299
Print ISSN : 0021-9592
Separation Engineering
A New Enhancement Factor for Mass Transfer Coefficients and Designing Pulsed Sieved-Plate Columns
Seyed Saeed Seyed EbrahimiHossein BahmanyarJaber Safdari
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2009 Volume 42 Issue 1 Pages 10-20

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Abstract
In this research work, the effect of pulse intensity, flow rate of disperse and continuous phases on volumetric mass transfer coefficients of two phases along the height of pulsed sieve-plate column have been studied. Two chemical systems, toluene–acetone–water and normal butyl acetate-acetone–water, were used. The deviation between experimental and predicted values from equations, which have been proposed by other researchers is considerable. A correlation for predicting enhancement factor of diffusion coefficient of mass transfer coefficients has been achieved and the comparison between experimental data and predicted values are in very good agreement. Finally, the proposed equation is used for calculating height of the column.
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© 2009 The Society of Chemical Engineers, Japan
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