CFD simulations of gas-liquid-solid stirred reactor: Prediction of critical impeller speed for solid suspension

Chemical Engineering Science

Volumn 62, Issue 24, 2007, Pages 7184-7195

  Murthy, B N ^a   Ghadge, R S ^a   Joshi, J B ^a  

^a UNIVERSITY OF MUMBAI   (India)

Author keywords

CFD; Eulerian Eulerian; Gas liquid solid; Stirred tank; Three phase flows

Indexed keywords

COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; MATHEMATICAL MODELS; SUSPENSIONS (FLUIDS);

EULERIAN-EULERIAN; GAS-LIQUID-SOLID; STIRRED TANK; THREE PHASE FLOWS;

CHEMICAL REACTORS;

CHEMICAL REACTORS; COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; MATHEMATICAL MODELS; SUSPENSIONS (FLUIDS);

EID: 36048989017     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2007.07.005     Document Type: Article

References (26)

1. Angst, R., Kraume, M., Ritter, J., 2004. Particle distribution and velocity in stirred vessels: experimental results and CFD-simulations. In: Proceedings of the Third International Symposium on Two-Phase Flow Modelling and Experimentation, Pisa, pp. 221-229.
2. Aubin J., Sauze N.L., Bertrand J., Fletcher D.F., and Xuereb C. PIV measurements of flow in an aerated tank stirred by a down- and an up-pumping axial flow impeller. Experimental Thermal and Fluid Science 28 (2004) 447-456
3. Barresi A., and Baldi G. Solid dispersion in an agitated vessel. Chemical Engineering Science 42 (1987) 2949-2956
4. Bohnet M., and Niesmak G. Distribution of solids in stirred suspension. German Chemical Engineering 3 (1980) 57-65
5. Chapman C.M., Nienow A.W., Cooke M., and Middleton J.C. Particle-gas-liquid mixing in stirred vessels, part III: three phase mixing. Chemical Engineering Research and Design 60 (1983) 167-181
6. Dohi N., Takahashi T., Minekawa K., and Kawase Y. Power consumption and solid suspension performance of large-scale impellers in gas-liquid-solid three-phase stirred tank reactors. Chemical Engineering Journal 97 (2004) 103-114
7. Elgobashi S.E., and Abou-arab T.W. A two-equation turbulence model for two-phase flows. Physics of Fluids 26 (1983) 931-938
8. FLUENT 6.2., 2005. User's Manual to FLUENT 6.2. Fluent Inc. Centrera Resource Park, 10 Cavendish Court, Lebanon, USA.
9. Hinze J.H. Turbulence (1975), McGraw-Hill, New York
10. Kasat G.R., and Pandit A.B. Review on mixing characteristics in solid-liquid and solid-liquid-gas reactor vessels. The Canadian Journal of Chemical Engineering 83 (2005) 618-642
11. Khopkar A.R., Rammohan A.R., Ranade V.V., and Dudukovic M.P. Gas-liquid flow generated by a Rushton turbine in stirred vessel: CARPT/CT measurement and CFD simulations. Chemical Engineering Science 60 (2005) 2215-2229
12. Khopkar A.R., Kasat G.R., Pandit A.B., and Ranade V.V. CFD simulation of mixing in tall gas-liquid stirred vessel: role of local flow patterns. Chemical Engineering Science 61 (2006) 2921-2929
13. Ljungqvist M., and Rasmuson A. Numerical simulation of the two phase flow in an axially stirred reactor. Transactions of the Institution of Chemical Engineers 79 (2001) 533
14. Mishra, V.P., Joshi, J.B., 1991. LDA measurements of flow in stirred gas-liquid reactors. In: Proceedings of the Seventh European Congress on Mixing, Brugge-Belgium, pp. 217-224.
15. Montante G., Micale G., Magelli F., and Brucato A. Experiments and CFD predictions of solid particle distribution in a vessel agitated with four pitched blade turbines. Transactions of the Institution of Chemical Engineers 71 (2001) 1005-1010
16. Nigam K.D.P., and Schumpe A. Three-Phase Sparged Reactors (1996), Gordon and Breach Science Publishers
17. Oshinowo, I.M., Bakker, A., 2002. CFD modelling of solid suspensions in stirred tanks. Symposium on Computational Modelling of Metals, Minerals and Materials, TMS Annual Meeting, Seattle, WA, pp. 234-242.
18. 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. Chemical Engineering Communications 188 (2001) 91-107
19. Queneau P.B., Jan R.J., Richard R.S., and Lowe D.F. Turbine miner fundamentals and scale-up at port nickel. Metallurgical Transactions B 6B (1975) 149-155
20. Rewatkar V.B., Raghava Rao K.S.M.S., and Joshi J.B. Critical impeller speed for solid suspension in mechanical agitated three-phase reactors. 1. Experimental part. Industrial and Engineering Chemistry Research 30 (1991) 1770-1784
21. Subbarao, D., Taneja, V.K., 1979. Three phase suspension in agitated vessels. In: Proceedings of the Third European Conference on Mixing, BHRS, Carnfield, UK, pp. 229-240.
22. Viollet P.L., and Simonin O. Modelling dispersed two-phase flows: closure, validation and software development. Applied Mechanical Reviews 47 6 (1994) S80-S84
23. Wiedmann J., and Efferding L.E. Experimental investigation of suspension, dispersion, power, gas hold-up and flooding characteristics in stirred gas-liquid-solid systems. Chemical Engineering Communications 6 (1980) 245-256
24. Wong C.W., Wang J.P., and Haung S.T. Investigations of fluid dynamics in mechanically stirred aerated slurry reactors. The Canadian Journal of Chemical Engineering 65 (1987) 412-419
25. Zhu Y., and Wu J. Critical impeller speed for suspending solids in aerated agitation tanks. The Canadian Journal of Chemical Engineering 80 (2002) 1-6
26. Zlokarnik N.W., and Judat P. Tubular and propeller stirrers-an effective stirrer combination for simultaneous gassing and suspending. Chemie Ingenieur Technik 41 23 (1969) 1270-1277