Analysis of ZLC technique for diffusivity measurements in bidisperse porous adsorbent pellets

Gas Separation and Purification

Volumn 10, Issue 4, 1996, Pages 207-224

  Silva, José A C ^a   Rodrigues, Alírio E ^a  

^a UNIVERSITY OF PORTO   (Portugal)

Author keywords

Bidisperse adsorbents; Diffusivity; ZLC

Indexed keywords

ADSORBENTS; COMPUTER SIMULATION; CRYSTALLINE MATERIALS; DESORPTION; DIFFUSION IN SOLIDS; MATHEMATICAL MODELS; NUMERICAL METHODS; POROUS MATERIALS;

BIDISPERSE POROUS PELLETS; DIFFUSIVITY MEASUREMENTS; ZERO LENGTH COLUMN (ZLC) METHOD;

ZEOLITES;

EID: 0030355195     PISSN: 09504214     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0950-4214(96)00021-7     Document Type: Article

References (19)

1. Cresswell, D. and Orr, N. Measurement of binary gaseous diffusion coefficients within porous catalysts, in: Residence Time Distribution in Chemical Engineering (Eds A. Petho and R. Noble) Verlag-Chemie, Heinheim (1982) 41-74
2. Park, I.S., Do, D.D. and Rodrigues, A.E. Measurement of the effective diffusivity in porous media by diffusion cell method Cat Rev Sci Eng in press
3. Eic, M. and Ruthven, D.M. A new experimental technique for measurement of intracrystalline diffusivity Zeolites (1988) 8 40-45
4. Cavalcante Jr, C., Eic, M., Ruthven, D.M. and Ocelli, M. Diffusion of n-paraffins in offretite-erionite type zeolites Zeolites (1995) 15 293-307
5. Hufton, J. and Ruthven, D.M. Diffusion of light alkanes in silicalite studied by the ZLC method Ind Eng Chem Res (1993) 32 2379-2386
6. Voogd, P., Bekkum, H., Shavit, D. and Kouwenhoven, W.H. Effect of zeolite structure and morphology on intracrystalline n-hexane diffusion in pentasil zeolites studied by the zero-length column method J Chem Soc Faraday Trans (1991) 87(21) 3575-3580
7. Shavit, D., Voogd, P. and Kouwenhoven, H.W. Time-dependent non-steady-state diffusivities of C6 paraffins in silicalite by zero-length column method Collect Czech Chem Commun (1992) 57 698-709
8. Brandani, S. and Ruthven, D.M. Analysis of ZLC desorption curves for liquid systems Chem Eng Sci (1995) 50 2055-2059
9. Ruthven, D.M. and Stapleton, P. Measurement of liquid phase counterdiffusion in zeolites by ZLC method Chem Eng Sci (1993) 48 89-98
10. Rasmuson, A. Time domain solution of a model transport process in bidisperse structured catalysts Chem Eng Sci (1982) 37 787-788
11. Ruckenstein, A.S., Vaidyanathan, A.S. and Youngquist, G.R. Sorption by solids with bidisperse pore structures Chem Eng Sci (1971) 26 1305-1318
12. Lee, L.P. The kinetics of sorption in a biporous adsorbent particle AIChE J (1978) 24 531-533
13. Do, D.D. Hierarchy of rate models for adsorption and desorption in bidispersed structured sorbents Chem Eng Sci (1990) 45 1373-1381
14. Crank, J. Mathematics of Diffusion Oxford Press, London (1957)
15. Rodrigues, A.E., Dias, M.M., Lopes, J.C., Haisheng, N., Mata, V.G. and Silva, J.A. Improved efficiency of adsorption process European Project JOUE-CT92-0076 Final Report LSRE, Faculty of Engineering, University of Porto (1996)
16. Villadsen, J. and Michelsen, M.L. Solution of Differential Equation Models by Polynomial Approximation Prentice-Hall, Inc., Englewood Cliffs, New Jersey (1978)
17. Ruthven, D.M. Principles of Adsorption and Adsorption Processes Wiley & Sons, New York (1984)
18. Ruthven, D.M., Raghavan, N.S. and Hassan, M.M. Adsorption and diffusion of nitrogen and oxygen in a carbon molecular sieve Chem Eng Sci (1986) 41 1325-1332
19. Kärger, J. and Ruthven, D.M. Diffusion in Zeolites and Other Microporous Solids Wiley & Sons, New York (1992)