CFD simulation of flow and axial dispersion in external loop airlift reactor

Chemical Engineering Research and Design

Volumn 84, Issue 8 A, 2006, Pages 677-690

  Roy, S ^a   Dhotre, M T ^a   Joshi, J B ^a  

^a UNIVERSITY OF MUMBAI   (India)

Author keywords

Airlift reactor; Axial dispersion coefficient; CFD; Mixing

Indexed keywords

COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; DIFFUSION; DISPERSIONS; FLOW PATTERNS; HEAT CONVECTION; MATHEMATICAL MODELS;

AIRLIFT REACTOR; AXIAL DISPERSION COEFFICIENT; GAS HOLD-UP;

LIFT;

COMPUTATIONAL FLUID DYNAMICS; COMPUTER SIMULATION; DIFFUSION; DISPERSIONS; FLOW PATTERNS; HEAT CONVECTION; LIFT; MATHEMATICAL MODELS;

EID: 33747392554     PISSN: 02638762     EISSN: None     Source Type: Journal    
DOI: 10.1205/cherd.05178     Document Type: Article

References (36)

1. Akita, K., Okazaki, T. and Koyama, H., 1988, Gas holdup and friction factors of gas-liquid tow-phase flow in an air-lift bubble column, J Chem Eng Japan, 21: 476-482.
2. Bello, R.A., Robinson, C.W. and Moo Young, M., 1984, Liquid circulation and mixing characteristics of airlift contactors, Can J Chem Eng, 62: 573-577.
3. Bentifraouine, C., Xuereb, C. and Riba, J.P., 1997, An experimental study of the hydrodynamic characteristics of external loop airlift contactors, J Chem Tech Biotech, 69: 345-349.
4. Bendjaballah, N., Dhaouadi, M., Poncin, S., Midoux, N., Hornut, J.M. and Wild, G., 1999, Hydrodynamics and flow regimes in external loop airlift reactors, Chem Eng Sci, 54: 5211-5221.
5. Chisti, M.Y. and Moo Young, M., 1988, Liquid circulation in ALR, Chem Eng Sci, 43: 451-457.
6. Dhotre, M.T. and Joshi J.B., 2004, Two-dimensional CFD model for prediction of pressure drop and heat transfer coefficient in bubble column reactors, Trans IChemE, Part A, Chem Eng Res Des, 78: 689-707.
7. Deen, N.G., Solberg, T. and Hjertager, B.H., 2001, Large eddy simulation of gas-liquid flow in a square cross-sectioned bubble column, Chem Eng Sci, 56: 6341-6349.
8. Ekambara, K. and Joshi, J.B., 2003, CFD simulation of residence time distribution and mixing in bubble column, Can J Chem Eng, 81: 669-676.
9. Gavrilescu, M. and Tudose, R.Z., 1997, Mixing studies in external-loop reactors, Chem Eng J, 66: 97-104.
10. Hunt, J.C.R., Auton, T.R., Sene, K., Thomas, N.H. and Kowe, R., 1987, ICHMT International Seminar on Transient Phenomena in Multiphase Flow, Dubrovnikm Yugoslavia, 103-125.
11. Hsu, Y.C. and Dudukovic, M.P., 1980, Gas holdup and liquid recirculation in gas-lift reactors, Chem Eng Sci, 35: 135-141.
12. Jackobsen, H.A., Sannaes, B.H., Grevskott, S. and Svendsen, H.F., 1997, Modelling of vertical bubble driven flow, Ind Eng Chem Res, 36: 4052-4074.
13. Joshi, I.B., Ranade, V.V., Gharat, S.D. and Lele, S.S., 1990, Sparged lop reactors, Can J Chem Eng, 68: 705-741.
14. Joshi, J.B., 2001, Computational flow modeling and design of bubble column reactors, Chem Eng Sci, 56: 5893-5993.
15. Kawase, Y., Omori, N. and Tsujimura, M., 1994, Liquid-phase mixing in external-loop airlift bioreactor, J Chem Tech Biotech, 61: 49-55.
16. Kochbeck, B., Lindert, M. and Hempel, D.C., 1992, Hydrodynamics and local parameter in three phase flow in airlift-loop reactors of different scale, Chem Eng Sci, 47: 3443-3450.
17. Levenspiel, O., 1995, Chemical Reaction Engineering, 2nd edition (Wiley, New York).
18. Lopez de Bertodano, M., 1991, Turbulent bubble flow in a triangular duct, PhD Thesis, Rensselaer Polytechnic Institute, Troy, New York.
19. Merchuck, J.C. and Stein, Y., 1981, Local hold-up and liquid velocity in airlift reactors, AIChE J, 32: 1585-1596.
20. Merchuck, J.C., 1986, Gas hold-up and liquid velocity in a two-dimensional air lift reactor, Chem Eng Sci, 41: 11-16.
21. Nichol, R.S., 1984, Circulating bubble column, PhD Thesis, University of Cambridge, UK.
22. Okada, K., Shibano, S. and Akagi, Y., 1993, Turbulent properties in bubble-flow region in external-loop airlift bubble column, J Chem Eng Japan, 6: 637-643.
23. Popovic, M. and Robinson, C.W., 1987a, The specific interfacial area in external loop airlifts and a bubble column-I. aqueous sodium sulphate solution, Chem Eng Sci, 42: 2811-2824.
24. Popovic, M. and Robinson, C.W., 1987b, The specific interfacial area in external loop airlifts and a bubble column-II. carboxymethyl cellulose/ sulphite solution, Chem Eng Sci, 42: 2825-2832.
25. Popovic, M. and Robinson, C.W., 1989, Mass transfer studies of external loop-airlifts and a bubble column, AIChE J 35: 393-405.
26. Sato, Y. and Sekoguchi, K., 1975, Liquid velocity distribution in two-phase bubbly flow, Int J Multiphase Flow, 2: 79-95.
27. Siegel, M.H., Merchuck, J.C. and Schugerk, K., 1986, Airlift reactor analysis: interrelationship between riser, downcorner arid gas liquid separator, AIChE J, 27: 377-388.
28. Sokolichin, A., Eigenberger, G. and Lapin, A., 2004, Simulation of buoyancy driven bubbly flow: established simplifications and open questions, AIChE J, 50: 24-45.
29. Thakre, S.S. and Joshi, J.B., 1999, CFD simulation of bubble column reactors: Importance of drag force formulation, Chem Eng Sci, 54: 5055-5060.
30. Verlaan, P., Tramper, J., Van't Riet, K. and Luyben, K.Ch.A.M., 1986, A hydrodynamic model for an airlift loop bioreactor with external loop, Chem Eng J, 33: B43-B53.
31. Verlaan, P., Tramper, J., Van't Riet, K. and Luyben, K.Ch.A.M., 1989, Estimation of axial dispersion in individual sections of an airlift-loop reactor, Chem Eng Sci, 44: 1139-1146.
32. Vial, Ch., Poncin, S., Wild, G. and Midoux, N., 2005, Experimental and theoretical analysis of the axial dispersion in the liquid phase in external loop airlift reactors, Chem Eng Sci, 60: 5945-5954.
33. Weiland, P. and Onken, U., 1981, Fluid dynamics and mass transfer in an airlift fermentor with external loop, Ger Chem Eng, 4: 42-50.
34. Young, M.A., Carbonell, R.G. and Ollis, D.F., 1991, Airlift bioreactor: analysis of local two phase hydrodynamics, AIChE J, 37: 403-428.
35. Zhang, D.Z. and Vanderheyden, W.B., 2002, The effects of mesoscale structures on the disperse two-phase flows and their closures for dilute suspensions, Int J Multiphase Flow, 28: 805-822.
36. Zuber, N. and Findlay, J.A., 1969, Average volumetric concentration in two phase flow systems, J Heat Trans, 87: 453-468.