[1]. Aoun Nabli M. S., Guiraud P. and Gourdon C., “CFD contribution to a design procedure for disc and doughnut extraction columns,” Chemical Engneering Research and Design (Part A), Vol. 76, pp. 951–960, 1998.##
[2]. Al-Rahawi A. M. I., “New predictive correlations for the drop size in a rotating disc contactor liquid–liquid extraction column,” Chemical Engineering Technology, Vol. 2, pp. 184–192, 2007.##
[3]. Kumar A. and Hartland S., “Unified correlations for the prediction of drop size in liquid–liquid extraction columns,” Industrial Engineering Chemical Research, Vol. 35, pp. 2682–2695, 1996.##
[4]. Oliveira N. S., Moraes Silva D., Gondim M. P. C. and Borges Mansur M., “A study of the drop size distributions and hold-up in short Kuhni columns,” Brazilian Journal Chemical Engineering, Vol. 25, pp. 729–742, 2008.##
[5]. Chen H. S. and Middleman S., “Drop size distribution in agitated liquid-liquid systems,” AIChE Journal, Vol. 13, pp. 989, 1967.##
[6]. Brown D. E. and Pitt K., “Drop size distribution of stirred non-coalescing liquid-liquid system,” Chem. Eng. Sci. 27, 577, 1972.##
[7]. Chang-Kakoti D. K., Godfrey J. C. and Slater M. J., “Drop sizes and distributions in rotating disc contactors used for liquid-liquid extraction,” Journal of Separation and Process Technology, Vol. 40, 1985. ##
[8]. Logsdail D. H. and Slater M. J., Pulsed perforated-plate columns, In Handbook of Solvent Extraction, pp. 355-372, Wiley, New York, 1983.##
[9]. Calabrese R. V., Chang T. P. K. and Dang P. T., “Drop Breakup in turbulent stirred tank contactors, part I, effect of dispersed phase viscosity,” AIChE Journal, Vol. 32, pp. 657, 1986.##
[10]. Hinze J. O., “Fundamentals of the hydrodynamic mechanism of splitting in dispersion processes,” AIChE Journal, Vol. 1289, 1955.##
[11]. Rincon-Rubio L. M., Kumar A. and Hartland S., “Characterization of flooding in wirz extraction column,” The Canadian Journal of Chemical Engineering, Vol. 71, pp. 844-851, 1993.##
[12]. Rincon-Rubio L. M., Kumar A. and Hartland S., “Drop size distribution and average drop size in a wirz extraction column,”Chemical Engneering Research and Design, Vol. 72, pp. 493, 1994.##
[13]. Syll O., Mabille I., Moscosa – Santillan M, Mamadou T. and Jacquse A. “Study of Mass Transfer and Determination of Drop Size Distribution in a Pulsed Extraction Column,” Chem.Eng. Research and Design, Vol. 89, pp. 60 – 68. 2011.##
[14]. Torab-Mostaedi M., Ghaemi A. and Asadollahzadeh M., “Flooding and drop size in a pulsed disc and doughnut extraction column,” Chemical Engneering Research and Design, Vol. 89, pp. 2742-2751, 2011.##
[15]. Gholam Samani M., Haghighi-Asl A., Safdari J. and Torab-Mostaedi M., “Drop size distribution and mean drop size in a pulsed packed extraction column,” Chemical Engneering Research and Design, Vol. 90, pp. 2148-2154, 2012.##
[16]. Torab-Mostaedi M., Safdari J. and Torabi-Hokmabadi F., “Prediction of mean drop size in pulsed packed extraction columns,”Iranian Journal of Chemical Engineering, Vol. 8, No. 4, pp. 3-10, (autumn) 2011.##
[17]. Torab-Mostaedi M., Safdari. J. and Asadollahzadeh and M., “Mean drop size and drop size distribution in a hanson mixer-settler extraction column,”Iranian Journal of Chemical Engineering, Vol. 9, No. 2, pp. 54-65 (Spring), 2012.ر##