Prediction of single component adsorption isotherms on microporous adsorbents |
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Authors: | Ugur Akgün Alfons Mersmann |
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Affiliation: | 1. Basell Polyolefines GmbH, Berghauser Weg 50, 85126, Münchsmünster, Germany 2. Technische Universit?t München, Arcisstr. 21, 80333, München, Germany
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Abstract: | The adsorption of gases on microporous solids is a fundamental physical interaction which occurs in many technical processes, e.g. the heterogeneous catalysis or the purification of gases. In this context the adsorption equilibrium can determine the velocity and/or the capacity of the process. Therefore, it has to be known for designing purposes. The aim of this work has been the a priori prediction of the adsorption equilibria of arbitrary gases on microporous solids like zeolites and active carbon based only on the molecular properties of the adsorptive and the adsorbent. The adsorption isotherm is described completely from the Henry region over the transition zone to the saturation region. The quality of the model permits a first approximation of the planned process without further experimental effort. |
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Keywords: | Henry coefficient Zeolite Active carbon Hamaker constant Interaction energy Refractive index Adsorption isotherm Microporous adsorbents |
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