Determination of the critical residence time for the stability of uniform down-flow in a packed-bed reactor

Chemical Engineering Science

Volumn 52, Issue 20, 1997, Pages 3463-3469

  Christoforatou, E L ^a   Balakotaiah, V ^a  

^a University of Houston   (United States)

Author keywords

Down flow; Flow maldistribution; Hot spot; Packed bed; Residence time; Stability

Indexed keywords

CATALYSIS; CATALYSTS; CHEMICAL REACTORS; DENSITY OF LIQUIDS; FLOW OF FLUIDS; NATURAL CONVECTION; VISCOSITY OF LIQUIDS;

CRITICAL RESIDENCE TIME;

PACKED BEDS;

CATALYST; PACKED BED; REACTOR; STABILITY;

EID: 0031254231     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2509(97)00160-7     Document Type: Article

References (10)

1. Jaffe, S. B. (1976) Hot spot simulation in commercial hydrogenation process. Ind. Engng Chem. Process Des. Dev. 15, 411-416.
2. Gershuni, G. Z. and Zhukhovitskii, E. M. (1976) Convective stability of incompressible fluids. Keter Publishing House, Jerusalem.
3. Hadim, A. and Burmeister, L. C. (1988) Onset of convection in a porous medium with internal heat generation and downward flow. J. Thermophys. 2, 343-351.
4. Gatica, J. E., Viljoen, H. J. and Hlavacek, V. (1988) Influence of secondary flows on the stability of chemically reacting systems. AIChE J. 34, 209-222.
5. Gatica, J. E., Viljoen, H. J. and Hlavacek, V. (1989) Interaction between chemical reaction and natural convection in porous media. Chem. Engng Sci. 44, 1853-1870.
6. Stroh, F. and Balakotaiah, V. (1991) Stability of uniform flow in packed-bed reactors. Chem. Engng Sci. 47, 593-604.
7. Nguyen, D. and Balakotaiah, V. (1994) Flow maldistributions and hot spots in down-flow packed-bed reactors. Chem. Engng Sci. 49, 5489-5505.
8. Nguyen, D. and Balakotaiah, V. (1995) Reaction driven instabilities in down-flow packed beds. Proc. Roy Soc. London Ser A 450, 1-21.
9. Vortmeyer, D., Dietrich, K. J. and Ring, K. O. (1974) Comparison of one- and two-phase model predictions for adiabatic packed-bed chemical reactors. Adv. Chem. Ser. 133, 588-599.
10. Subramanian, S. and Balakotaiah, V. (1995) Classification of steady-state and dynamic behavior of distributed reactor models. Chem. Engng Sci. 51, 401-421.