Abstract
Mechanism of catalytic decomposition of p-Cymene by Silica-Alumina catalysts which prepared with various methods was studied and dealkylation ability of individual catalyst was estimated.Same experiment was tried with other Silica-Alumina type catalysts consisted of two oxides and the element of which belongs to the Periodic System II, III, IV.Among which, SiO2-MgO, Al2O3-B2O3 and Al2O3-ZrO2 catalysts have been admitted to have high dealkylation ability.Generally speaking, in the case of catalyst which consisted of Silica and oxide, the metal element of oxide belongs to Periodic System II, III, IV, the larger the atomic radius of its element, the smaller the amount of Propylene which produced by catalytic dealkylat-ion of p-Cymene with this catalyst.
