Thermal treatment of mechanochemically activated kaolinite
Horvath, Erzsebet , Frost, Ray L., Mako, Eva , Kristof, Janos , & Cseh, Tamas (2003) Thermal treatment of mechanochemically activated kaolinite. Thermochimica Acta, 404(1-2), pp. 227-234.
The mechanochemical activation of a high defect kaolinite has been studied using a combination of high-resolution thermogravimetry and DRIFT spectroscopy. The effect of grinding causes a decrease in the dehydroxylation temperature and an increase in the amount of adsorbed/coordinated water. The temperature of dehydration also increases with grinding time. It is proposed that this dehydroxylation occurs through a homogenous process involving proton transfer through point heating. The amount of adsorbed water decreases with the increase in temperature of the thermal treatment.
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|Item Type:||Journal Article|
|Keywords:||Kaolinite, Mechanochemical activation, Differential thermogravimetric analysis|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2003 Elsevier|
|Deposited On:||17 Jun 2009 23:21|
|Last Modified:||29 Feb 2012 22:59|
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