Abstract
Fluorene hydrocracking was studied on Platinum loaded SiO2 (Aerosil), MCM-41, and five USY commercial zeolites with different Si/Al molar ratios in a High-Pressure Simultaneous Thermal Analyzer (HP-STA) at 50 bar of H2. Platinum Aerosil and MCM-41 require higher temperatures for aromatic ring hydrogenation than Pt/zeolites. Hydrogenation of the two aromatic rings occurs completely before isomerization and cracking begin on zeolites. The lower the zeolites' Si/Al framework, the lower the peak temperature of the hydrocracking reaction. Hydrocracking enthalpy shows a positive correlation with strong Brønsted acid sites concentration measured by pyridine adsorption.
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