The dehydroxylation of the hydroxy molecules in kaolinite, which happens when kaolin is heated to 800 °C, starts the process of the crystal lattice structure …
The mineralogical composition of the kaolin before and after calcination was identified by XRD to show the effect of calcination conditions on the kaolin phase composition to interpret the metakaolin (calcined kaolin) reactivity.
The key characteristics of the kaolin samples include mineralogy, the degree of kaolin crystallinity, chemistry, morphology, particle size, size distribution, shape and shape …
It is formed when the anhydrous aluminium silicates found in feldspar-rich rocks, like granite, are altered by weathering or via hydrothermal processes. The process that …
Primary kaolin deposits were formed by the alteration of in situ minerals such as feldspar and other aluminum silicates to kaolinite. Secondary deposits are laid down as …
The transformation of kaolin samples calcined at different temperatures were characterized in the short-wave (SWIR) spectra using the kaolinite crystallinity (Kx) …
The present study focused on the experimental dehydroxylation of kaolinite, disordered kaolinite, and dickite; and the differences at the atomistic level of the formation of metakaolinite from …
In order for organic molecules to penetrate between the kaolinite layers, sufficient energy must be provided for these hydrogen bonding forces to be overcome. …
The present geological review deals with kaolin in magmatic rocks (primary kaolin) and in metamorphic rocks (tertiary kaolin), but the main focus is placed on …
Il présente un état des lieux des filières industrielles utilisant des argiles kaoliniques et du kaolin sous toutes leurs formes en France.