Abstract:In the natural environment, Al and Si in the kaolinite
crystal
structure are likely to form lattice defects or be replaced by low-valence
positive ions so that the base surfaces have permanent negatively
charged sites. It is therefore very important to investigate the adsorption
process and adsorption mechanism of adsorbates on the replaced surfaces.
In this paper, two types of surface models formed by replacing Al
atoms in the alumina octahedron of kaolinite (001) surface with Fe(II)
and Mg were selected as t… Show more
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