Formulation and numeric calculation of non-isothermal effectiveness factor for finite cylindrical catalysts with bi-dimensional diffusion

Latin American Applied Research

Volumn 34, Issue 1, 2004, Pages 17-22

  Hoyos, Bibian ^a   Guillermo Cadavid, Juan ^b   Rangel, Hermes ^b  

^a UNIVERSIDAD NACIONAL DE COLOMBIA   (Colombia)

^b UNIVERSIDAD NACIONAL DE COLOMBIA   (Colombia)

Author keywords

Bi dimensional dispersion; Effectiveness factor; Finite cylindrical catalysts; Non isothermal model

Indexed keywords

ACTIVATION ENERGY; BOUNDARY CONDITIONS; DIFFUSION; DISPERSIONS; FINITE DIFFERENCE METHOD; HIGH TEMPERATURE EFFECTS; MATHEMATICAL MODELS; PARTIAL DIFFERENTIAL EQUATIONS;

BI-DIMENSIONAL DISPERSIONS; EFFECTIVENESS FACTORS; FINITE CYLINDRICAL CATALYSTS; NON-ISOTHERMAL MODELS;

CATALYSTS;

EID: 1942444630     PISSN: 03270793     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (20)

1. Carberry, J. J. "The Catalytic Effectiveness Factor Under Nonisothermal Conditions", AIChE J. 7, 350-351 (1961).
2. Carberry, J. J. Chemical and Catalytic Reaction Engineering. Mc Graw-Hill. New York (1976).
3. Davis, E. M. Métodos y Modelos Numéricos para Ingenieros Químicos. Compañía Editorial Continental S.A. de C.V. México (1990).
4. Doraiswamy, L. K. and M. M. Sharma, Heterogeneous Reactions: Analysis, Examples and Reactor Design. Vol. 1. John Wiley and Sons. New York (1984).
5. Krasuk, J. H. and J. M. Smith. "Effectiveness Factors with Surface Diffusion". Ind. Eng. Chem. Fundam. 4, 102-106 (1965).
6. Lee, H. H. "Effectiveness Factors for solid-Catalyzed Gas-Solid Reactions", Chem. Eng. Sci. 34, 5-9 (1979).
7. Lin, Z, N. Shao and T. Li, "Calculation of the Effectiveness Factor of a Spherical Catalyst Using Weighted Residuals". International Chem. Eng. 26, 335-339 (1986).
8. Morbidelli, M.; A. Servida, and A. Varma, "Optimal Catalysts Activity Profiles in Pellets. Part I". Ind. Eng. Chem. Fundam. 21, 278-284 (1982a).
9. Morbidelli, M.; A. Servida, and A. Varma, "Optimal Catalysts Activity Profiles in Pellets. Part II", Ind. Eng. Chem. Fundam. 21, 284-289 (1982b).
10. Morbidelli, M. and A. Varma, "Isothermal Diffusion - Reaction in a Slab Catalyst with Bimolecular Langmuir-Hinshelwood Kinetics". Chem. Eng. Sci. 38, 289-296 (1983).
11. Rusic, D. and S. Zrncevic, "Impurity Poisoning of Ni-Catalysts Pellets". In Catalysts Deactivation. Delmond B. and Froment G. (editors). 623-627 (1994).
12. Satterfield, C. N. Heterogeneous Catalysts in Industrial Practice. 2 ed. Mc Graw- Hill. New York (1991).
13. Satterfield, C. N. and T. K. Sherwood, The Role of Diffusion in Catalysis. Addison-Wesley. Massachussets (1963).
14. Scott, S. K.; T. Boddington, and P. Gray. "Analytical Expressions for Effectiveness Factors in Non-isothermal Spherical Catalysts". Chem. Eng. Sci. 39, 1079-1085 (1984).
15. Singh, C. P. "A Generalized Method for Calculating Effectiveness Factor". Chem. Eng. Sci. 40, 2375-2378 (1985).
16. Smith, J. M. Chemical Engineering Kinetics. Mc Graw-Hill. New York (1956).
17. Trotta, A. and S. Guidice, "Finite Element Solution of Simultaneous Convection, Diffusion and Reaction on Catalytic Surfaces". Computers and Chem. Eng. 9, 167-173 (1985).
18. Wakao, N., S. Kaguei, and H. Nagai, "Effective Diffusion Coefficients for Fluid Species Reacting with First Order Kinetics in Packed Bed Reactors and Discussion on Evaluation of Catalysts Effectiveness Factors". Chem. Eng. Sci. 33, 183-187 (1978).
19. Wang, J. G., Y. W. Li, Y. Chen and S. Y. Peng. "Montecarlo Simulation Effects of Pore Entrance Deactivation on Reaction Performance". Catalysis Deactivation. Delmond B. and Froment G. (editors). 525-530 (1994).
20. Wohlfahrt, K. "The Design of Catalyst Pellets". Chem. Eng. Sci. 37, 283-290 (1982).