International Journal of Engineering، جلد ۲۹، شماره ۸، صفحات ۱۰۴۷-۱۰۵۵

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عنوان انگلیسی Studies of Drop Behavior and Prediction of Sauter Mean Drop Diameter in Various Rotary Agitated Extraction Columns
چکیده انگلیسی مقاله Knowledge of droplet behavior is one of the most important criteria for determination of mass transfer kinetics for choosing the type of liquid-liquid extraction columns. Mean drop size data of dispersed phase droplets in continuous phase have been obtained for Various Rotary Agitated Liquid-Liquid Extraction Columns . The effects of operational variables such as mass transfer directions with acetone transfer, rotor speed and dispersed and continuous phase velocities have been investigated. The Satuer mean drop diameter was influenced mainly by mass transfer direction and agitation speed. In this research work, previous experimental works in agitated extraction columns (RDC, ARDC, PRDC, Scheibel, Oldshue-Rushton and Kühni columns) are reviewed. Calculations with the literature correlations cannot predict experimental data, thus unified correlations considering the physical properties, operating conditions and geometric parameters were provided to predict the mean drop size (d32). The results of the proposed correlation were compared with the experimental data obtained from the literature and the present investigation. This correlation covers several physical systems for various rotary agitated extractors. Findings of this study demonstrated that the proposed correlation leads to an accurate prediction for the Satuer mean drop diameter in rotary extraction columns.
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نویسندگان مقاله Rezvan Torkaman |
Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute

Meisam Torab-Mostaedi |
Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute

Mehdi Asadollahzadeh |
Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute


نشانی اینترنتی http://www.ije.ir/article_72766_3177a449bcae769cdf868d8fefc2f5d9.pdf
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