✦ LIBER ✦

A Computational Fluid Dynamics Study of Binary Adsorption Separation in Chromatography

✍ Scribed by Y.X. Wu; H.W. Yu; C.B. Ching

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 261 KB
Volume: 27
Category: Article
ISSN: 0930-7516
DOI: 10.1002/ceat.200301985

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

FEMLAB software was applied to incorporate computational fluid dynamics (CFD) into the simulation of the adsorption‐separation process in chromatography. Simulations of both linear and nonlinear processes demonstrated that significant dispersion retarded the separation processes, and that a small inlet induced curved solute concentration profiles, resulting in peak tailing of the elution chromatogram. The linear simulation visually confirmed that a small Stanton number might be another factor for peak tailing. For cases with a reasonably small Stanton number, peak tailing became more serious with decreasing Stanton number. Comparisons between the results of the CFD simulation of the nonlinear case, the corresponding conventional 1‐D simulation and the experimental result lead to the conclusion that the CFD simulation is useful for a better understanding of the dynamic adsorption and separation process in a chromatographic column.

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