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Correlations and characterization of porous solids by fractal dimension and porosity

Author

Listed:
  • Huang, S.J
  • Yu, Y.C
  • Lee, T.Y
  • Lu, T.S

Abstract

The fractal dimensions of zeolite A, zeolite X, Dowex MSC-1, Mordenite, zeolite Y, ZSM-5 and MSC-5A carbon sieve have been obtained by physical adsorption of different-sized adsorbates. The porosity of the solids is obtained from literature. Two simple equations with two integral variables can be employed to characterize a porous solid with finite fractal dimension and porosity. These two equations also illustrate the correlation between fractal dimension and porosity of the porous solid and are also helpful to construct the fractal structure of the porous solids. Two integral variables are the number of divisions (cuts) in each dimension, and the number of the d-dimensional objects (d can be 1, 2 or 3) that must be taken for iteration. Seven examples of porous solids are employed to characterize and illustrate the applicability of the two equations.

Suggested Citation

  • Huang, S.J & Yu, Y.C & Lee, T.Y & Lu, T.S, 1999. "Correlations and characterization of porous solids by fractal dimension and porosity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 274(3), pages 419-432.
    • Handle: RePEc:eee:phsmap:v:274:y:1999:i:3:p:419-432
    DOI: 10.1016/S0378-4371(99)00299-X
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