Experimental and computational analysis of immiscible liquid-liquid dispersions in stirred vessels

Chemical Engineering Research and Design

Volumn 87, Issue 4, 2009, Pages 507-514

  Laurenzi, F ^a   Coroneo, M ^a   Montante, G ^a   Paglianti, A ^a   Magelli, F ^a  

^a UNIVERSITY OF BOLOGNA   (Italy)

Author keywords

CFD; Liquid liquid; Mixing; PIV; RANS equations

Indexed keywords

DISPERSION (WAVES); DISPERSIONS; FLOW VISUALIZATION; FLUID DYNAMICS; LIQUIDS; TANKS (CONTAINERS); TURBULENCE; TURBULENT FLOW; TWO PHASE FLOW;

CFD; COMPUTATIONAL ANALYSIS; DISPERSED PHASE; DISPERSED PHASIS; DISPERSION CONDITIONS; DYNAMIC CHARACTERISTICS; EULERIAN-EULERIAN; FLOW FEATURES; IMMISCIBLE LIQUIDS; IMPELLER SPEED; LIQUID-LIQUID; LIQUID-LIQUID SYSTEMS; MEAN VELOCITIES; OIL DROPLETS; ORGANICS; PARTICLE IMAGE VELOCIMETRY TECHNIQUES; PIV; RANS EQUATIONS; REYNOLDS AVERAGED NAVIER-STOKES EQUATIONS; SINGLE-PHASE FLOWS; STIRRED TANKS; STIRRED VESSELS; TURBULENT CHARACTERISTICS; TURBULENT FLOW FIELDS;

NAVIER STOKES EQUATIONS;

EID: 61349171938     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cherd.2008.12.007     Document Type: Article

References (25)

1. Alopaeus V., Koskinen J., Keskinen K.I., and Majander J. Simulation of the population balances for liquid-liquid systems in a nonideal stirred tank. Part 2-parameter fitting and the use of the multiblock model for dense dispersions. Chem. Eng. Sci. 57 (2002) 1815-1825
2. Armenante P.M., and Huang Y.-T. Experimental determination of the minimum agitation speed for complete liquid-liquid dispersion in mechanically agitated vessels. Ind. Eng. Chem. Res. 31 (1992) 1398-1406
3. Bałdyga J., and Bourne J.R. Drop breakup and intermittent turbulence. J. Chem. Eng. Japan 26 (1993) 738-741
4. Bałdyga J., and Podgórska W. Drop break-up in intermittent turbulence: maximum stable and transient sizes of drops. Can. J. Chem. Eng. 76 (1998) 456-470
5. Bałdyga J., Bourne J.R., Pacek A.W., Amanullah A., and Nienow A.W. Effects of agitation and scale-up on drop size in turbulent dispersions: allowance for intermittency. Chem. Eng. Sci. 56 (2001) 3377-3385
6. Brucato A., Grisafi F., and Montante G. Particle drag coefficients in turbulent fluids. Chem. Eng. Sci. 53 (1998) 3295-3314
7. Calabrese R.V., Wang C.Y., and Bryner N.P. Drop breakup in turbulent stirred-tank contactors. Part III: Correlations for mean size distribution. AIChE J. 32 (1986) 677-680
8. Derksen J.J., and van den Akker H.E.A. Multi-scale simulations of stirred liquid-liquid dispersions. Chem. Eng. Res. Des. 85 (2007) 697-702
9. Giapos A., Pachatouridis C., and Stamatoudis M. Effect of the number of impeller blades on the drop sizes in agitated dispersions. Chem. Eng. Res. Des. 83 (2005) 1425-1430
10. Gore R.A., and Crowe C.T. Effect of particle size on modulating turbulent intensity. Int. J. Multiphase Flow 15 (1989) 279-285
11. Gore R.A., and Crowe C.T. Modulation of turbulence by a dispersed phase. J. Fluids Eng. 115 (1991) 304-307
12. Hadinoto K., Jones E.N., Yurteri C., and Curtis J.S. Reynolds number dependence of gas-phase turbulence in gas-particle flows. Int. J. Multiphase Flow 31 (2005) 416-434
13. Lee K.C., and Yianneskis M. Turbulence properties of the impeller stream of a Rushton turbine. AIChE J. 44 (1998) 13-24
14. Leng D.E., and Calabrese R.V. Immiscible liquid-liquid systems. In: Paul E.L., Atiemo-Obeng V.A., and Kresta S.M. (Eds). Handbook of Industrial Mixing: Science and Practice (2004), Wiley-Interscience, Hoboken, NJ 639-753 Chapter 12
15. Maaß S., Gäbler A., Zaccone A., Paschedag A.R., and Kraume M. Experimental investigations and modelling of breakage phenomena in stirred liquid-liquid systems. Chem. Eng. Res. Des. 85 (2007) 703-709
16. Montante G., and Magelli F. Modelling of solids distribution in stirred tanks: analysis of simulation strategies and comparison with experimental data. Int. J. Comp. Fluid Dyn. 19 (2005) 253-262
17. Montante G., Paglianti A., and Magelli F. Experimental analysis and computational modelling of gas-liquid stirred vessels. Chem. Eng. Res. Des. 85 (2007) 647-653
18. Montante G., Horn D., and Paglianti A. Gas-liquid flow and bubble size distribution in stirred tanks. Chem. Eng. Sci. 63 (2008) 2107-2118
19. Pacek A.W., Chamsart S., Nienow A.W., and Bakker A. The influence of impeller type on mean drop size and drop size distribution in an agitated vessel. Chem. Eng. Sci. 54 (1999) 4211-4222
20. Pinelli D., Nocentini M., and Magelli F. Solids distribution in stirred slurry reactors: influence of some mixer configurations and limits to the applicability of a simple model for predictions. Chem. Eng. Comm. 188 (2001) 91-107
21. Svensson F.J.E., and Rasmuson A. LDA-measurements in a stirred tank with a liquid-liquid system at high volume percentage dispersed phase. Chem. Eng. Technol. 27 (2004) 335-339
22. Svensson F.J.E., and Rasmuson A. PIV measurements in a liquid-liquid system at volume percentages up to 10% dispersed phase. Exp. Fluids 41 (2006) 917-931
23. van den Akker H.E.A. The details of turbulent mixing process and their simulation. In: Marin G.B. (Ed). Advances in Chemical Engineering vol. 31 (2006), Academic Press 151-229
24. Zhou G., and Kresta S.M. Evolution of drop size distribution in liquid-liquid dispersions for various impellers. Chem. Eng. Sci. 53 (1998) 2099-2113
25. Zhou G., and Kresta S.M. Correlation of mean drop size and minimum drop size with the turbulence energy dissipation and the flow in an agitated tank. Chem. Eng. Sci. 53 (1998) 2063-2079