Kinetics and equilibrium of multicomponent adsorption on chiraly templated surfaces |
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Authors: | Szabelski Paweł Talbot Julian |
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Affiliation: | 1. Department of Theoretical Chemistry, Faculty of Chemistry, Maria Curie-Skłodowska University, Pl. M.C. Skłodowskiej 3, 20-031 Lublin, Poland;2. Department of Chemistry and Biochemistry, Duquesene University, Pittsburgh, Pennsylvania 15282-1530 |
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Abstract: | In this contribution we propose a simple model of adsorption of a binary (racemic) mixture on a chiraly templated surface. As an example, the adsorption of a liquid mixture of enantiomers on a chiral stationary phase (CSP) is considered. In particular, we study the effect of the lateral interactions in the adsorbed phase on the kinetic and equilibrium isotherms of the enantiomers. Additionally, we investigate the influence of the composition of the surface on the performance of the CSP in the presence of the lateral interactions. To that end, the adsorption of the mixture is modeled by using Monte Carlo simulations as well as by applying an analytical approach involving rate equations coupled with the Mean Field Approximation (MFA). The predictions of the theory are found to be in good agreement with the results of the simulations. |
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Keywords: | chiral surfaces adsorption Monte Carlo simulations racemic mixtures lateral interactions |
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