Diffusion and deactivation during methanol conversion over SAPO-34: A percolation approach

Chemical Engineering Science

Volumn 54, Issue 15-16, 1999, Pages 3465-3473

  Chen D , ^a,b   Rebo, Hans Petter ^a   Holmen, Anders ^a  

^a NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Norway)

^b SINTEF   (Norway)

Author keywords

Deactivation; Diffusion; Methanol to olefins; Percolation; SAPO 34

Indexed keywords

CATALYST DEACTIVATION; CATALYSTS; CHEMICAL REACTORS; CRYSTALS; DIFFUSION; MATHEMATICAL MODELS; MOLECULAR SIEVES; OLEFINS; PERCOLATION (FLUIDS); POROSITY;

COKE DEPOSITION; METHANOL CONVERSION; PORE NETWORK; PORE VOLUME;

METHANOL;

CATALYST; DIFFUSION; METHANOL; MOLECULAR SIEVE; PERCOLATION;

EID: 0033167158     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2509(98)00474-6     Document Type: Article

References (29)

1. Andersen, M.W., Sulikowski, B., Barrie, B.J., & Klinowski, J. (1990). In situ solid-state studies of the catalytic conversion of methanol on the molecular sieve SAPO-34. J. Phys. Chem., 94, 2730-2734.
2. Beyne, A.O.E., & Froment, G.F. (1990). A percolation approach for the modeling of deactivation of zeolites by coke formation. Chem. Engng Sci., 45, 2089-2096.
3. Beyne, A.O.E., & Froment, G.F. (1993). A percolation approach for the modeling of deactivation of zeolites by coke formation: Diffusional limitations and finite rate of coke growth. Chem. Engng Sci., 48, 503-511.
4. Bülow, M., Struve, P., Finger, G., Redszus, C., Ehrhardt, K., & Schirmen, W. (1980). Sorption kinetics of n-hexane on MgA zeolites of different crystal sizes. Study of the rate limiting transport mechanism. J. Chem. Soc. Faraday, 76, 597-615.
5. Chen, D., Rebo, H.P., Moljord, K., & Holmen, A. (1996). Effect of coke deposition on transport and adsorption in zeolites studied by a new microbalance reactor. Chem. Engng Sci., 51, 2687-2692.
6. Chen, D., Rebo, H.P., Moljord, K., & Holmen, A. (1997). Methanol conversion to light olefins over SAPO-34. I. Sorption, diffusion and catalytic conversions. Book of Abstract (vol. 2, p. 751). EuropCat. III, Krakov, Poland, October.
7. Cheney, W., & Kincaid, D. (1994). Numerical Mathematics and Computing, CA: Brooks/Cole Publishing Company.
8. Dahl, I.M., Wendelbo, R., Andersen, A., Akporiaye, D., Mostad, H.B., & Fuglerud, T. (1998). Crystal size fractionation and characterization of SAPO-34. Microporous and Mesoporous Mater., submitted.
9. Froment, G.F., Dehertog, W.J.H., & Marchi, A.J. (1992). Zeolite catalysis in the conversion of methanol into olefins. Catalysis, 9, 1-64.
10. Garcia, S.F., & Weisz, P.B. (1990). Effective diffusivities in zeolites. 1. Aromatics in ZSM-5 crystals. J. Catal., 121, 294-311.
11. Garcia, S.F., & Weisz, P.B. (1993). Effective diffusivities in zeolites. 2. Experimental appraisal of effective shape selective diffusivity in ZSM-5 catalysis. J. Catal., 142, 691-696.
12. Grønvold, A.G. (1994). Conversion of Methanol to Lower Alkenes over Molecular Sieve-type Catalysts. Ph.D. thesis, University of Trondheim.
13. Guisnet, M., & Magnoux, P. (1989). Coking and deactivation of zeolites. Influence of the pore structure. Appl. Catal., 54, 1-27.
14. Hoshen, J., & Kopelman, R. (1976). Percolation and cluster distribution. I. Cluster multiple labeling technique and critical concentration algorithm. Phys. Rev. B, 24, 3438-3445.
15. Ishihara, T., & Takita, H. (1995). Property and catalysis of aluminophosphate-based molecular sieves. Catalysis, 12, 21-51.
16. Kärger, J., & Ruthven, D.M. (1992). Diffusion in Zeolites and other Microporous Solids. New York: Wiley.
17. Lee, L.K., & Ruthven, D.M. (1979). Analysis of thermal effects in adsorption rate measurements. J. Chem. Soc. Faraday Trans. I, 75, 2406-2422.
18. Lin, D.H., Ducarme, V., & Vedrine, J.C. (1989). Adsorption and diffusion of different hydrocarbons in MFI zeolite of varying crystallite sizes. In H.G. Karge, & J. Weitamp (Eds.), Zeolite as Catalysts, Sorbents and Detergent Builders (pp. 615-623).
19. Lok, B.M., Messina, C.A., Patton, R.L., Gajek, R.T., Cannan, T.R., & Flanigen, E.M. (1984). Silicoaluminophosphate molecular sieves: Another new class of microporous crystalline inorganic solids. J. Am. Chem. Soc., 106, 6092-6095.
20. Mann, R., Sharratt, P.N., & Thomson, G. (1986). Deactivation of a supported zeolite catalyst: Diffusion, reaction and coke deposition in a stochastic pore networks. Chem. Engng Sci., 41, 711-720.
21. Mo. W.t., & Wei, J. (1986). Effective diffusivity in partially blocked zeolite catalyst. Chem. Engng Sci., 41, 703-710.
22. Post, M.F.M., van Amstel, J., & Kouwenhoven, H.W. (1984). Diffusion and catalytic reaction of 2,2-dimethylbutane in ZSM-5 zeolite. Proceedings, 6th International Zeolite Conference (pp. 517-527).
23. Rebo, H.P., Chen, D., Brownrigg, M.S.A., Moljord, K., & Holmen, A. (1997). Adsorption and diffusion in HZSM-5 studied by an oscillating microbalance. Collect. Czech. Chem. Commun., 62, 1832-1842.
24. Sahimi, M. (1988a). Diffusion-controlled reactions in disordered porous media-1. Uniform distribution of reactants. Chem. Engng Sci., 43, 2981-2993.
25. Sahimi, M. (1988b). On the determination of transport properties of disordered system. Chem. Engng Comm., 64, 177-195.
26. Sahimi, M., Gavalas, G.R., & Tsotsis, T.T. (1990). Statistical and continuum models of fluid-solid reactions in porous media. Chem. Engng Sci., 45, 1443-1502.
27. Sahimi, M., & Tsotsis, T. (1985). A percolation model of catalyst deactivation by site coverage and pore blocking. J. Catal., 96, 552-562.
28. Vora, B.V., Marker, T.L., Barge, P.T., Fullerton, H.E., Nilsen, H.R., Kvisle, S., & Fuglerud, T. (1997). Economic route for natural gas conversion to ethylene and propene. Stud. Surf. Sci. Catal., 107, 87-93.
29. Zhang, L., & Seaton, N.A. (1994). The application of continuum equations to diffusion and reaction in pore networks. Chem. Engng Sci., 49, 41-50.