Cracking of cumene over silica-alumina catalysts.

M RAVINDRAM, M. N. A QUARAISHI

Abstract


Cracking of cumene was studied in a fixed bed reactor over silica-alumina catalysts under isothermal conditions in the temperature range 350-500° C. Catalytic activity of silica-alumina was found to depend on its composition and temperature of activation. Detailed studies were carried out over silica-alumina containing 9.2% alumina after it was heat-treated at 350° C for 3 hours. In the range of variables studied, single Ae adsorption of cumene (benzene adsorbed) was found to be the most probable rate controlling step.

Keywords


Cumene, cracking, silica-alumina, catalytic activity, rate controling step.

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