Relation between hydrodynamics and drop size distributions in pump-mix mixer

Chemical Engineering Science

Volumn 65, Issue 11, 2010, Pages 3409-3426

  Srilatha, C ^a   Morab, Vinayak V ^a   Mundada, Tushar P ^a   Patwardhan, Ashwin W ^a  

^a UNIVERSITY OF MUMBAI   (India)

Author keywords

Breakage; CFD; Coalescence; Network of zones; Population balance model; Pump mix mixer

Indexed keywords

CFD SIMULATIONS; COMPUTATIONAL FLUID DYNAMICS MODELS; DROP SIZE DISTRIBUTION; HYDRODYNAMIC CHARACTERISTICS; IMPELLER SPEED; INTERFACIAL TENSIONS; MULTIPLE IMPELLERS; NETWORK OF ZONES; OPERATING CONDITION; PHASE FLOW; POPULATION BALANCE MODELING; POPULATION BALANCE MODELS;

BLOWERS; COALESCENCE; ENERGY DISSIPATION; FLUID DYNAMICS; HYDRODYNAMICS; MIXERS (MACHINERY); MIXING; PUMPS; SIZE DETERMINATION; SIZE DISTRIBUTION;

COMPUTATIONAL FLUID DYNAMICS;

EID: 77951113699     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2010.02.035     Document Type: Article

References (35)

1. Alopaeus V., Koskinen J., and Keskinen K.I. Simulation of the population balances for liquid-liquid system in a nonideal stirred tank. Part 1 description and qualitative validation of the model. Chemical Engineering Science 54 (1999) 5887-5899
2. Alopaeus V., Koskinen J., Keskinen K.I., and Majander J. Simulation of the population balances for liquid-liquid system in a nonideal stirred tank. Part 2 parameter fitting and the use of the multiblock model for dense dispersions. Chemical Engineering Science 57 (2002) 1815-1825
3. Amanullah A., Jüsten P., Davies A., Paul G.C., Nienow A.W., and Thomas C.R. Agitation induced mycelial fragmentation of Aspergillus oryzae and Penicillium chrysogenum. Biochemical Engineering Journal 5 (2000) 109-114
4. Baldyga 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. Chemical Engineering Science 56 (2001) 3377-3385
5. Balmelli M., Steiner L., and Hartland S. Behaviour of turbulent dispersions in a stirred single-stage cell. Chemical Engineering Science 55 (2000) 1653-1660
6. Chen Z., Pruss J., and Warnecke H. A population balance model for disperse systems: drop size distribution in emulsion. Chemical Engineering Science 53 5 (1998) 1059-1066
7. Coulaloglou C.A., and Tavlarides L.L. Description of interaction processes in agitated liquid-liquid dispersions. Chemical Engineering Science 32 (1977) 1289-1297
8. Das P.K. A stochastic model for breakage frequency of viscous drops in turbulent dispersions. Chemical Engineering Science 61 (2006) 3705-3713
9. Davies J.T. A physical interpretation of drop sizes in homogenizers and agitated tanks, including the dispersion of viscous oils. Chemical Engineering Science 42 (1987) 1671-1676
10. Gäbler A., Wegener M., Paschedag A.R., and Kraume M. The effect of pH on experimental and simulation results of transient drop size distributions in stirred liquid-liquid dispersions. Chemical Engineering Science 61 (2006) 3018-3024
11. Konno M., Aoki M., and Saito S. Scale effect on breakup process in liquid-liquid agitated tanks. Journal of Chemical Engineering of Japan 16 (1983) 312-319
12. Kostoglou M., and Karabelas A.J. A contribution towards predicting the evolution of droplet size distribution in flowing dilute liquid/ liquid dispersions. Chemical Engineering Science 56 (2001) 4283-4292
13. Kostoglou M., and Karabelas A.J. Toward a unified framework for the derivation of breakage functions based on the statistical theory of turbulence. Chemical Engineering Science 60 (2005) 6584-6595
14. Lakatos B.G. Population balance model for mixing in continuous flow systems. Chemical Engineering Science 63 (2008) 404-423
15. Laso M., Steiner L., and Hartland S. Dynamic simulation of liquid-liquid agitated dispersions-I. Derivation of a simplified model. Chemical Engineering Science 42 10 (1987) 2429-2436
16. Laso M., Steiner L., and Hartland S. Dynamic simulation of liquid-liquid agitated dispersions-II. Experimental determination of breakage and coalescence rates in a stirred tank. Chemical Engineering Science 42 10 (1987) 2437-2445
17. Luo H., and Svendsen H.F. Theoretical model for drop and bubble breakup in turbulent dispersions. AIChE Journal 42 5 (1996) 1225-1233
18. Martinez B.C., Montanes J.L., and Lasheras J.C. On the break-up of an air bubble injected into a fully developed turbulent flow. Part I. Break-up frequency. Journal of Fluid Mechanics 401 (1999) 157-182
19. Narsimhan G., Ramkrishna D., and Gupta J.P. Analysis of drop size distributions in lean liquid-liquid dispersions. AIChE Journal 26 6 (1980) 991-1000
20. Narsimhan G. Model for drop coalescence in a locally isotropic turbulent flow field. Journal of Colloid and Interface Science 272 (2004) 197-209
21. Podgorska W., and Baldyga J. Scale-up effects on the drop size distribution of liquid-liquid dispersions in agitated vessels. Chemical Engineering Science 56 (2001) 741-746
22. Podgorska, W., Baldyga, J., 2002. Effects of large- and small-scale inhomogeneity of turbulence in an agitated vessel on drop size distribution. In: Proceedings of the 17th International Symposium on Chemical Reaction Engineering ISCRE 17, Paper MS0398, Hong Kong, pp. 25-28 August 2002.
23. Podgorska W., and Baldyga J. Drop break-up and coalescence in a stirred tank. Task Quarterly 7 (2003) 409-424
24. Podgorska W. Scale-up effects in coalescing dispersions-comparison of liquid-liquid systems differing in interface mobility. Chemical Engineering Science 60 (2005) 2115-2125
25. Podgorska W. Modelling of high viscosity oil drop breakage process in intermittent turbulence. Chemical Engineering Science 61 (2006) 2986-2993
26. Prince M.J., and Blanch H.W. Bubble coalescence and break-up in air-sparged bubble columns. AIChE Journal 36 10 (1990) 1485-1499
27. Raikar N.B., Bhatia S.R., Malone M.F., and Henson M.A. Experimental studies and population balance equation models for breakage prediction of emulsion drop size distributions. Chemical Engineering Science 64 (2009) 2433-2447
28. Sathyagal A.N., Ramkrishna D., and Narsimhan G. Droplet breakage in stirred dispersions. Breakage functions from experimental drop size distributions. Chemical Engineering Science 51 9 (1996) 1377-1391
29. Singh K.K., Mahajani S.M., Shenoy K.T., and Ghosh S.K. Representative drop sizes and drop size distributions in A/O dispersions in continuous flow stirred tank. Hydrometallurgy 90 2-4 (2008) 121-136
30. Srilatha C., Mundada T.P., and Patwardhan A.W. Scale up of pump mix mixers using CFD. Chemical Engineering Research and Design 88 (2010) 10-22
31. Tcholakova S., Vankova N., Denkov N.D., and Danner T. Emulsification in turbulent flow: 3. Daughter drop-size distribution. Journal of Colloid and Interface Science 310 (2007) 570-589
32. Tsouris C., and Tavlarides L.L. Breakage and coalescence models for drops in turbulent dispersions. AIChE Journal 40 3 (1994) 395-406
33. Vankova N., Tcholakova S., Denkov N.D., Vulchev V.D., and Danner T. Emulsification in turbulent flow 2. Breakage rate constants. Journal of Colloid and Interface Science 313 (2007) 612-629
34. Vikhansky A., and Kraft M. Modelling of a RDC using a combined CFD-population balance approach. Chemical Engineering Science 59 (2004) 2597-2606
35. Wang T., Wang J., and Jin Y. A novel theoretical breakup kernel function for bubbles/droplets in a turbulent flow. Chemical Engineering Science 58 (2003) 4629-4637