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Journal Article

Inversion of pore size dependence of solute transport kinetics from increasingly attractive ordered porous matrix.

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Godec,  A.
Research Group of Mathematical Biophysics, MPI for Biophysical Chemistry, Max Planck Society;

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Citation

Godec, A., Ukmar, T., Gaberscek, M., & Merzel, F. (2011). Inversion of pore size dependence of solute transport kinetics from increasingly attractive ordered porous matrix. Europhysics Letters, 92(6): 60011. doi:10.1209/0295-5075/92/60011.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-D65D-C
Abstract
The problem of solute transport in interacting ordered porous media is addressed by numerically solving the 2D Fokker-Planck equation using 4-step operator splitting. The subtle interplay between drift and diffusion is shown to result in a nontrivial dependence of solute transport kinetics on pore size. Depending on the strength of attraction to pore walls distinct regimes of pore size dependence of transport kinetics are found. The results suggest a decoupling of local dynamics from large-scale transport.