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A model for chromatographic separation: a case-study problem

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A model for chromatographic separation: a case-study problem. An important application of Taylor dispersion is in chromatography. Here pulses of a mixture of solutes are introduced into one end of a packed-bed reactor containing an adsorbent and washed through the bed with a solvent. Since different species adsorb and diffuse at different rates, we obtain a separation. The axial dispersion will often interfere in the separation (it causes a pulse broadening). Your goal is to set up a model for chromatographic processes wherein you should include the adsorption on the solids as an additional term. You can examine how the dispersion coefficient changes with the adsorption equilibrium constant.

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