Gas diffusion in Bi-disperse porous catalyst pellets

Chinese Journal of Chemical Engineering

Volumn 13, Issue 4, 2005, Pages 471-476

  Liu, Xiufeng ^a   Zhang, Baoquan ^a   Lin, Y S ^a,b  

^a TIANJIN UNIVERSITY   (China)

^b Arizona State University   (United States)

Author keywords

Catalyst; Diffusion; Fractal; Porous media

Indexed keywords

ALUMINA; CARBON DIOXIDE; CARBON MONOXIDE; DIFFUSION IN GASES; DISPERSIONS; ETHYLENE; FRACTALS; MATHEMATICAL MODELS; POROUS MATERIALS; TRAJECTORIES;

BIDISPERSE POROUS CATALYST PELLETS; FRACTAL TRAJECTORIES; GAS DIFFUSION; TORTUOSITY BASED MODEL; TORTUOUS DEGREE; WICKE-KALLENBACH DIFFUSION CELL;

CATALYSTS;

CATALYST; DIFFUSION; POROUS MEDIUM;

EID: 26944496828     PISSN: 10049541     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Sahimi, M., Gavalas, G.R., Tsotsis, T.T., Statistical and continuum models of fluid-solid reactions in porous media, Chem. Eng. Sci., 45(6), 1443-1402 (1990).
2. Hollewand, M.P., Gladden, L.F., Modeling of diffusion and reaction in porous catalysts using a random three-dimensional network model, Chem. Eng. Sci., 47(7), 1761-1770 (1992).
3. Mougin, P., Pons, M., Villermaux, J., Catalytic reactions at an artificial fractal interface: Simulation with the 'Devil's Comb', Chem. Eng. J., 64(1), 63-68 (1996).
4. Cussler, E.L., Diffusion, Mass Transfer in Fluid Systems, 2nd ed., Cambridge University Press, Cambridge (1997).
5. Sheintuch, M., Selectivity and deactivation of diffusion-limited reactions in a pore-fractal catalyst, Ind. Eng. Chem. Res., 38, 3261-3269 (1999).
6. Sheintuch, M., On the intermediate asymptote of diffusion-limited reactions in a fractal porous catalyst, Chem. Eng. Sci., 55(3), 615-624 (2000).
7. Yu, B.M., Cheng, P., A fractal permeability model for bi-dispersed porous media, Int. J. Heat Mass Transfer, 45, 2983-2993 (2002).
8. Zhang, B.Q., Liu, X.F., Effects of fractal trajectory on gas diffusion in porous media, AIChE J., 49(12), 3037-3047 (2003).
9. Yu, B.M., Liu, W., Fractal analysis of permeabilities for porous media, AIChE J., 50(1), 46-57 (2004).
10. Zhang, B.Q., Li, S.F., Determination of the surface fractal dimension for porous media by mercury porosimetry, Ind. Eng. Chem. Res., 34, 1383-1386 (1995).
11. Giona, M., Schwalm, W.A., Adrover, A., Schwalm, M.K., First-order kinetics in fractal catalysts: Renormalization analysis of the effectiveness factor, Chem. Eng. Sci., 51(10), 2273-2282 (1996).
12. Mougin, P., Mos Villermaux, M.J., Reaction and diffusion at artificial fractal interface: Evidence of new diffusional regime, Chem. Eng. Sci., 51, 2293-2302 (1996).
13. Gavrilov, C., Sheintuch, M., Diffusion-controlled rates in fractal vs. uniform-pore catalysts with linear and nonlinear kinetics, AIChE J., 43, 1691-1699 (1997).
14. Fogler, H.S., Elements of Chemical Reaction Engineering, 3rd ed., Prentice-Hall, Upper Saddle River, NJ (1999).
15. Satterfield, C.N., Mass Transfer in Heterogeneous Catalysis, MIT Press, Cambridge, MA (1970).
16. Johnson, M.F.L., Stewart, W.E., Pore structure and gaseous diffusion in solid catalysts, J. Catal., 4, 248-252 (1965).
17. Cunningham, R.E., Williams, R.J.J., Diffusion in Gases and Porous Media, Plenum Press, New York (1980).
18. Wakao, N., Smith, J.M., Diffusion in catalyst pellets, Chem. Eng. Sci., 17, 825-834 (1962).
19. Wakao, N., Smith, J.M., Diffusion and reaction in porous catalysts, Ind. Eng. Chem. Fundam., 3, 123-127 (1964).
20. 3, Natural Gas Chemical Industry, 20(4), 12-15 (1995). (in Chinese)
21. Jiang, H.Y., Zhang, B.Q., Lin, Y.S., Li, Y.D., Synthesis of zeolite membranes, Chinese Sci. Bull., 49(24), 2547-2554 (2004).