Dispersion of silicone oil in water surfactant solution: Effect of impeller speed, oil viscosity and addition point on drop size distribution

Chemical Engineering and Processing: Process Intensification

Volumn 48, Issue 2, 2009, Pages 633-642

  EL Hamouz, Amer ^a   Cooke, Mike ^b   Kowalski, Adam ^c   Sharratt, Paul ^b  

^a AN NAJAH NATIONAL UNIVERSITY   (Palestine)

^b UNIVERSITY OF MANCHESTER   (United Kingdom)

^c UNILEVER RESEARCH   (United Kingdom)

Author keywords

Batch; Dispersion; Drop size distribution; Mixing; Silicone oil; Surfactant

Indexed keywords

DROPS; ELECTRIC GENERATORS; EMULSIFICATION; EMULSIONS; HYDRAULIC MACHINERY; HYDRAULIC MOTORS; HYDRODYNAMICS; SHEAR DEFORMATION; SHEAR FLOW; SILICONES; SIZE DETERMINATION; SIZE DISTRIBUTION; SURFACE ACTIVE AGENTS; TURBINES; VISCOSITY;

ADDITION POINTS; BATCH; DIFFERENT PROCESSES; DROP SIZE DISTRIBUTION; DROP SIZES; EQUILIBRIUM VALUES; IMPELLER SPEEDS; LOCAL SHEAR RATES; MEAN DIAMETERS; OIL VISCOSITIES; OPERATING CONDITIONS; PITCHED BLADE TURBINES; POWER NUMBERS; SILICONE OIL; SURFACTANT;

OIL WELL PRODUCTION;

EID: 58049191442     PISSN: 02552701     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cep.2008.07.008     Document Type: Article

References (38)

1. Kolmogorov A.M. Breakup of droplets in turbulent flow. Dokaldy Akademii Nauk Uzbekskoi SSR 66 (1949) 825-828
2. Hinze J.O. Fundamentals of the hydrodynamic mechanism of splitting dispersion process. AIChE J. 1 (1955) 289-295
3. Shinnar R. On the behaviour of liquid dispersions in mixing vessels. J. Fluid Mech. 10 (1961) 259-275
4. Angle C.W., and Hamza H.A. Predicting the sizes of Toluene-diluted heavy oil emulsions in turbulent flow: Part 2: Hinze-Kolmogorov based model adapted for increased oil fractions and energy dissipation in a stirred tank. Chem. Eng. Sci. 61 (2006) 7325-7335
5. Wang C.Y., and Calabrese R.V. Drop breakup in turbulent stirred-tank contactors: Part II: Relative influence of viscosity and interfacial tension. AIChE J. 32 4 (1986) 667-676
6. Calabrese R.V., Chang T.K.P., and Dang P.T. Drop breakup in turbulent stirred contactors: Part 1: Effect of dispersed phase viscosity. AIChE J. 32 4 (1986) 657-666
7. Nienow A.W. Hydrodynamics of stirred bioreactors. Appl. Mech. Rev. 51 (1998) 3-32
8. Colenbrander G.W. Experimental findings on the scale-up behaviour of the drop size distribution of liquid/liquid dispersions in stirred vessels. Proceedings of the 10th European Conference on Mixing. Delft, Netherlands (2000) 173-180
9. Musgrove M., and Ruszkowski S. Influence of impeller type and agitation conditions on the drop size of immiscible liquid dispersion. Proceedings of the 10th European Conference on Mixing. Delft, Netherlands (July 2-5, 2000) 165-172
10. 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 11 (1998) 2063-2079
11. Podgorska W., and Baldyga J. Scale-up effects on the drop size distribution of liquid-liquid dispersions in agitated vessels. Chem. Eng. Sci. 56 3 (2001) 741-746
12. Podgorska W. Modelling of high viscosity oil drop breakage process in intermittent turbulent. Chem. Eng. Sci. 61 (2006) 2986-2993
13. Sis H., Kelbaliyev G., and Chander S. Kinetics of drop breakage in stirred vessel under turbulent conditions. J. Dispersion Sci. Technol. 26 (2005) 565-573
14. Sechremeli D., Stampouli A., and Stamatoudis M. Comparison of mean drop sizes and drop size distribution in agitated liquid-liquid dispersions produced by disk an open type Impellers. Chem. Eng. J. 117 (2006) 117-121
15. Alvarez J., Alvarez J., and Rendez M. A population approach for the description of particle size distribution in suspension polymerization reactors. Chem. Eng. Sci. 49 (1994) 99-113
16. Zhou G., and Kresta S.M. Evolution of drop size distribution in liquid-liquid dispersions for various impellers. Chem. Eng. Sci. 53 11 (1998) 2099-2113
17. Pacek A.W., Man C.C., and Nienow A.W. On the Sauter mean diameter and size distributions in turbulent liquid/liquid dispersions in a stirred vessel. Chem. Eng. Sci. 53 11 (1998) 2005-2011
18. Lasheras J.C., Eastwood C., Martinez-Bazan C., and Montanes J.L. A review of statistical models for the break-up of an immiscible fluid immersed into fully turbulent flow. Int. J. Multiphase Flow 28 (2002) 247-278
19. Ceylan S., Kelbaliyev G., and Ceylan K. Estimation of the maximum stable drop sizes, coalescence frequencies and the size distribution in isotropic turbulent dispersions. Colloids Surf. A Physicochem. Eng. Asp. 212 (2003) 285-295
20. Fernandes J.B., and Sharma M.M. Effective interfacial area in agitated liquid-liquid contactors. Chem. Eng. Sci. 22 (1967) 1267-1282
21. Brown D.E., and Pitt K. Effect of impeller geometry on drop break-up in a stirred liquid-liquid contactor. Chem. Eng. Sci. 29 (1974) 345-348
22. Daglas D., and Stamatoudis M. Effect of impeller vertical position on drop sizes in agitated dispersions. Chem. Eng. Tech. 23 (2000) 437-440
23. Koshy A., Das T.T., and Kumar R. Effect of surfactants on drop breakage in turbulent liquid dispersions. Chem. Eng. Sci. 43 3 (1988) 649-654
24. Kumar S., Ganvir V., Satyanand C., and Kumar R. Alternative mechanism of drop breakup in stirred vessels. Chem. Eng. Sci. 53 18 (1998) 3269-3280
25. EL-Hamouz A.M. Effect of surfactant concentration and operating temperature on the drop size distribution of silicon oil water dispersion. J. Dispersion Sci. Technol. 28 5 (2007) 797-804
26. Leng D.E., and Calabrese R.A. Immiscible Liquid-Liquid Dispersions. In: Paul E.L., Atiemo-Obeng V.A., and Kresta S.M. (Eds). Handbook of Industrial Mixing (2004), John Wiley & Sons, Inc Chapter 12
27. 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
28. K.J. Beck, Mechanisms of drop break-up in stirred vessels using a sawtooth impeller, PhD thesis, School of Mechanical Engineering, Cranfield University, UK, August 1998.
29. Cutter L.A. Flow and turbulence in a stirred tank. AIChE J. 12 (1966) 35-44
30. Costes J., and Couderc J.P. Study of laser Doppler anemometry of the turbulent flow induced by Rushton turbine in stirred tank: influence of the size of the units-I. Mean flow and turbulence. Chem. Eng. Sci. 43 (1988) 2751-2764
31. Wu H., and Patterson G.K. Laser Doppler measurements of turbulent-flow parameters in a stirred mixer. Chem. Eng. Sci. 44 (1989) 2207-2221
32. Zhou G., and Kresta S.M. Impact of tank geometry on the maximum turbulence energy dissipation rate for impellers. AIChE J. 42 9 (1996) 2476-2490
33. Zhou G., and Kresta S.M. Distribution of energy between convective and turbulent flow for three frequently used impellers. Trans. IChemE 74 (1996) 379
34. Ruiz M.C., Lermanda P., and Padilla R. Drop size distribution in a batch mixer under breakage conditions. Hydrometallurgy 63 (2002) 65-74
35. Baldyga J., Bourne J.R., Pacek A.W., Amanullah A., and Nienow A.W. Effects of agitation and scale up on drop size turbulent dispersions: allowance of intermittency. Chem. Eng. Sci. 56 (2001) 3377-3385
36. Lam A., Sathyagal A.N., Kumar S., and Ramkrishna D. Maximum stable drop diameter in stirred dispersions. AIChE J. 42 (1996) 1547-1552
37. Chatzi E.G., Boutris C.J., and Kiparissides C. On-line monitoring of drop size distribution in agitated vessels. 1: Effects of temperature and impeller speed. Ind. Eng. Chem. Res. 30 (1991) 536-543
38. Chatzi E.G., Gavrielides A.D., and Kiparissides C. Generalized model for prediction of the steady-state drop size distributions in batch stirred vessels. Ind. Eng. Chem. Res. 28 (1989) 1704-1711