Preparation and Characterization of Aerogel and Xerogel Alumina Catalyste and Comparted it in Catalyst of Alunina Used as Support for some Metal Oxides

The Xerogel alumina catalyst was prepared by sol-gel method in non-aqueous milieu, and the aerogel alumina catalyst was prepared in the same method but it was dried at by supercritical conditions. These catalysts were characterized by XRD, BET, and chemical adsorption methods. The obtained results were compared to show the effect of preparation process on the structural properties of the alumina. Besides these results were compared with some oxides supported on alumina, and the effect of distribution of these oxides on the properties of alumina was investigated too.

Methanol dehydration on alumina xerogel catalyst

In this research a reaction of dehydration of methanol to dimethyl ether on a microporous amorphous alumina xerogel catalyst was studied. The catalyst possess a high surface area (475 m2/g).

Preparation and Characterization of an Aluminum Oxide Coating for Oxidation Protection by the Sol – Gel technique

Surface protective thin layers of high temperature oxidation resistant aluminum oxide Al2O3, have been prepared by the sol-gel processing, using the spin coating method. In order to increase layer thickness, corundum suspension was added to the alumina sol.