I saw that the breakthrough curves for Br- did not pass through the relative concentration of 0.5 at one pore volume but was translated toward the Y-axis (early arrival). I though that this phenomenon should be anion exclusion.
(i) Can I use equilibrium CDE model to fit my curves? I am a little bit confused on whether anion exclusion is should be an equilibrium process or non-equilibrium..
(ii) Except for anion exclusion, would preferential flow played a role? If so, should I use non-equilibrium models to fit my curves?
A discussion forum for STANMOD users. STudio of ANalytical MODels is a software package for evaluating solute transport in porous media using analytical solutions of the convection-dispersion solute transport equation.
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