Solid suspension and liquid phase mixing in solid-liquid stirred tanks

Industrial and Engineering Chemistry Research

Volumn 48, Issue 21, 2009, Pages 9713-9722

  Sardeshpande, Madhavi V ^a,b   Sagi, Aparna R ^c,d   Juvekar, Vinay A ^b   Ranade, Vivek V ^a  

^a NATIONAL CHEMICAL LABORATORY   (India)

^b INDIAN INSTITUTE OF TECHNOLOGY BOMBAY   (India)

^c Tridiagonal Solutions PVt Ltd   (India)

^d NATIONAL INSTITUTE OF TECHNOLOGY KARNATAKA   (India)

Author keywords

[No Author keywords available]

Indexed keywords

CATALYTIC REACTIONS; CHEMICAL PROCESS INDUSTRY; CIRCULATION TIME; CLOUD HEIGHTS; COMPLEX INTERACTION; CRITICAL IMPELLER SPEED; EXPERIMENTAL DATA; IMPELLER SPEED; LIQUID-PHASE MIXING; MIXING TIME; NON-INTRUSIVE; POWER CONSUMPTION; SOLID LOADING; SOLID SUSPENSIONS; SOLID VOLUME FRACTION; SOLID-LIQUID; SOLID-LIQUID SUSPENSION; STIRRED TANK; WALL-PRESSURE FLUCTUATIONS;

CATALYSIS; CHEMICAL INDUSTRY; DISSOLUTION; LIQUIDS; METALLIC GLASS; MIXING; TANKS (CONTAINERS);

SUSPENSIONS (FLUIDS);

EID: 72349095794     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie801858a     Document Type: Article

References (40)

1. Zwietering, Th. N. Suspending of Solid Particles in Liquid by Agitators. Chem. Eng. Sci. 1958, 8, 244.
2. RaghavaRao, K. S. M. S.; Rewatkar, V. B.; Joshi, J. B. Critical impeller speed for solid suspension in mechanically agitated contactors. AIChE J. 1988, 34, 1332.
3. Sharma, R. N.; Shaikh, A. A. Solid suspension in stirred tanks with pitched blade turbines. Chem. Eng. Sci. 2003, 58, 2123.
4. Armenante, P. M.; Nagamine, E. U. Effect of low off-bottom impeller clearance on the minimum agitation speed for complete suspension in stirred tanks. Chem. Eng. Sci. 1998, 53, 1757-1775.
5. Nienow, A. W. Suspension of solid particles in turbine-agitated baffled vessels. Chem. Eng. Sci. 1968, 23, 1453.
6. Armenante, P. M.; Nagamine, E. U.; Susanto, J. Determination of correlations to predict the minimum agitation speed for complete solid suspension in agitated vessels. Can. J. Chem. Eng. 1998, 76, 413-419.
7. Paul, E. L., Atiemo-Obeng, V. A.; Kresta, S. M. Handbook of industrial mixing - science and practice; John Wiley and Sons: New Jersey, 2004.
8. Kraume, M. Mixing times in stirred suspension. Chem. Eng. Technol. 1992, 15, 313.
9. Hicks, M. T.; Mayers, K. J.; Bakker, A. Cloud height in solid suspension agitation. Chem. Eng. Commun. 1997, 160, 137.
10. Hicks, M. T.; et al. Cloud height, fillet volume and the effect of multiple impellers in solid suspension. Presented at. Mixing XIV, Santa Barbara, CA, June 20-25, 1993.
11. Bujalski, W.; Takenaka, K.; Paolini, S.; Jahoda, M.; Paglianti, A.; Takahashi, K.; Nienow, A. W.; Etchells, A. W. Suspension and liquid homogenization in high solids concentration stirred chemical reactors. Trans. Inst. Chem. Eng. 1999, 77, 241.
12. Takenaka, K.; Takashi, K.; Bujalski, W.; Nienow, A. W.; Paolini, S.; Pagaltini, A.; Etchells, A. Mixing time for different diameters of impeller at a high solid concentration in an agitated vessel. J. Chem. Eng. Jpn. 2005, 38(5), 309.
13. Bittorf, K. J.; Kresta, S. M. Prediction of cloud height for solid suspension in stirred tanks. CHISA Conference Proceedings, Prague, Aug. 25, 2002.
14. Rewatkar, V. B.; Joshi, J. B. Critical Impeller Speed for Solid Suspension in Mechanically Agitated Three-Phase Reactors. 2. Mathematical Model. Ind. Eng. Chem. Res. 1991, 30, 1784.
15. Pinelli, D.; Nocentini, M.; 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. Commun. 2001, 188, 91-107.
16. Bubicco, R.; Di Cave, S.; Mazzarotta, B. Influence of solid concentration and type of impeller on the agitation of large PVC particles in water. Recents Prog. Genie Procedes 1997, 11(52), 81.
17. Drewer, G. R.; Ahmed, N.; Jameson, G. J. Suspension of high concentration solids in mechanically stirred vessels. AIChE Symp. Ser. 1994, 136, 41.
18. Mak, A. T. C.; Ruszkowski, S. W. Scaling up solids distribution in stirred vessels. IV Fluid Mixing, AIChE Symp. Ser. 1991, 121, 379.
19. Michelletti, M.; Nikiforaki, L.; Lee, K. C.; Yianneskis, M. Particle concentration and mixing characteristics of moderate-to-dense solid-liquid suspensions. Ind. Eng. Chem. Res. 2003, 42, 6236.
20. Barresi, A.; Baldi Power consumption in slurry systems. 10th European Conference on Mixing, Delft, the Netherlands, July 2-5, 2000; p 133.
21. Joshi, J. B. Axial mixing in multiphase contactors - A unified correlation. Trans. Inst. Chem. Eng. 1980, 58, 155.
22. McManamey, W. J. Circulation model for batch mixing in agitated baffled vessel. Trans. Inst. Chem. Eng. 1980, 58, 271.
23. Joshi, J. B.; Pandit, A. B.; Sharma, M. M. Mechanically agitated gas-liquid reactors. Chem. Eng. Sci. 1982, 37(6), 813-844.
24. Nienow, A. W.; Bujalski, K.; Takenaka, A.; Paglianti, S.; Paolini, M.; Jahoda; Etchells, A. W. Suspension and Liquid Homogenization in High Solids Concentration Chemical Reactors. Proceedings of the International Conference on Mixing and Crystallization, Tioman Island, Malaysia, April, 1998.
25. Harrop, K. L.; Spanfelner, W. H.; Jahoda, M.; Otomo, N.; Etchells, A. W.; Bujalski, W.; Hicks, M. T.; Mayers, K. J.; Bakker, A. Cloud height, fillet volume, and effect of multiple impellers in solid suspension. Presented at Mixing XIV, Santa Barbara, CA, June 20-25, 1993.
26. Takenaka, K.; Paglianti, A., Bujalski, W.; Nienow, A. W. Suspension at High Solid Concentrations in agitated vessels. Proceedings of the Institute of Chemical Engineers Research Event, University of Newcastle upon Tyne, U.K., 1998; Catalyst Electronic Publishing, Ltd.: Witney, U.K., 1998; CD Rom.
27. Franca, F.; Acikgoz, M.; Lahey, R. T.; Clausse, A. The use of fractal techniques for flow regime identification. Int. J. Multiphase Flow 1991, 17, 545.
28. Daw, C. S.; Halow, J. S. Modelling deterministic chaos in gasfluidized beds. AIChE Symp. Ser. 1992, 88(289), 61.
29. Van der Stappen, M. L. M.; Schouten, J. C.; van den Bleek, C. M. Deterministic chaos analysis of the dynamical behavior of slugging and bubbling fluidized beds. Fluidized Bed Combust. 1993, 1, 129.
30. Schouten, J. C.; Van den Bleek, C. M. Monitoring the quality of fluidization using the short term predictability of pressure fluctuations. AIChE J. 1998, 44, 48-60.
31. Letzel, H. M.; Schouten, J. C.; Krishna, R.; van den Bleek, C. M. Characterization of regimes and regime transitions in bubble columns by chaotic analysis of pressure signals. Chem. Eng. Sci. 1997, 52, 4447.
32. Takens, F. Lect. Notes Math. 1981, 898, 366.
33. Drahos, J.; Zahradnik, J.; Puncochar, M.; Fialova, M.; Bradka, F. Effect of operating conditions on the characteristics of pressure fluctuations in a bubble column. Chem. Eng. Process. 1991, 29, 107.
34. Briens, L. A.; Briens, C. L. Cycle detection and characterization in chemical engineering. AIChE J. 2002, 48(5), 970.
35. Khopkar, A. R.; Panaskar, S. S.; Pandit, A. B.; Ranade, V. V. Characterization of gas-liquid flows in stirred vessels using pressure and torque fluctuations. Ind. Chem. Eng. Res. 2005, 44, 3298-3311.
36. Suntahnkar, A. A.; Ranade, V. V. Dynamics of gas-liquid flow; NCL Internal Report, 1997.
37. Press, W. H.; Teukolsy, S. A.; Vellering, W. T.; Flannery, B. P. Numerical recepies in FOTRAN; Cambridge University Press: New York, 1987.
38. Hurst, H. E. Methods of using long-term storage in reservoirs. Am. Soc. Chem. Eng. 1951, 116, 770.
39. Peters, E. E. Fractral market analysis: Applying chaos theory to Investment economics; Wiley: New York, 1994.
40. Kasat, G. R.; Khopkar, A. R.; Pandit, A. B.; Ranade, V. V. CFD simulations of liquid-phase mixing in solid-liquid stirred reactor. Chem. Eng. Sci. 2008, 63, 3877-3885.