Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2009-07-16
J. Stat. Mech. P01017 (2010)
Physics
Condensed Matter
Statistical Mechanics
Revised and final version
Scientific paper
10.1088/1742-5468/2010/01/P01017
Single-file diffusion of propane and toluene molecules inside a narrow, effectively one-dimensional zeolite pore was experimentally studied by Czaplewski {\sl et al.} Using a stochastic lattice gas approach, we obtain an analytical description of this process for the case of single-component loading. We show that a good quantitative agreement with the experimental data for the desorption temperature of the hydrocarbon molecules can be obtained if the desorption process from the boundary is associated with a higher activation energy than the diffusion process in the bulk. We also present Dynamical Monte Carlo simulation results for two-component loading which demonstrate in agreement with the experimental findings the effects of mutual blockage of the molecules due to single-file diffusion.
Chatterjee Sakuntala
Schütz Gunter M.
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