Adsorption and Intercalation of Small Molecules on Kaolinite from Molecular Modelling Studies

Táborosi, Attila and Kurdi, Róbert and Szilágyi, Róbert (2014) Adsorption and Intercalation of Small Molecules on Kaolinite from Molecular Modelling Studies. HUNGARIAN JOURNAL OF INDUSTRY AND CHEMISTRY, 42 (1). pp. 19-23. ISSN 0133-0276

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Abstract

Kaolinite is an abundant natural material with considerable industrial potential. Despite its simple composition (Al2Si2O5(OH)4 and layered structure being a phyllosilicate), it is notable that only little known about the interaction of kaolinite sheets with small organic reagents at the molecular level. These assumed to govern intercalation, delamination, and then the complete exfoliation processes. A common methodology to model the molecular structure of kaolinite is the employment of periodic boundary conditions. The application of molecular cluster models gained importance nowadays by capitalizing on the availability of wide range of theoretical tools for describing structural features and reaction mechanisms. In this study, we present our results using theoretical methodologies and modelling strategies from literature that are applied for adsorption and intercalation of urea, ethylene glycol, and potassium acetate.

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