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Evaluation of the pore size distribution in mercury porosimetry using computer simulations of porous media

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Abstract

The pore size distribution calculated using the Washburn equation was evaluated. The pore-sphere network was selected as a model for porous media since this model could qualitatively describe hysteresis and retention phenomena. 3-Dimensional lattices of square configuration were considered with normal, skewed and bimodal pore size distributions. The calculated pore size distribution was accurate up to the average size pores, but significantly different for larger pores. The fraction of average size pores was always exaggerated. Pore connectivity had larger influence on the pore size distribution than the lattice structures.

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Abbreviations

D:

diameter of pore [A]

F(D):

log-normal distribution of pore diameters

μ:

mean

σ:

standard deviation

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Authors and Affiliations

  1. Department of Chemical Engineering, Sogang University, C.P.O. 1142, Seoul, Korea

    Kun-Hong Lee, Sun Young Kim & Ki-Pung Yoo

Authors
  1. Kun-Hong Lee
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  2. Sun Young Kim
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  3. Ki-Pung Yoo
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Lee, KH., Kim, S.Y. & Yoo, KP. Evaluation of the pore size distribution in mercury porosimetry using computer simulations of porous media. Korean J. Chem. Eng. 11, 131–135 (1994). https://doi.org/10.1007/BF02697366

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  • DOI: https://doi.org/10.1007/BF02697366

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