Adsorption equilibria of single gas and gas mixture on homogeneous surfaces. A unified approach based on statistical thermodynamics developments. Part II : Extension to gas mixture adsorption.
Résumé
In this paper, we present a rigorous statistical thermodynamic approach for the calculation of mixed gas adsorption equilibrium data on uniform surfaces. The non-ideality of both the mixed gas phase and adsorbed phase is considered by using the Redlich-Kwong EOS associated to the Lorentz-Berthelot mixing rules. This is an elegant way to extend the model presented in Part I and to predict multicomponent gas adsorption equilibria for highly non-ideal systems from parameters deduced from pure gas data. This approach can be used to model heterogeneous multi-component adsorption systems using the concept of integral adsorption equation.
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