SYNTHESIS OF ZSM-5 TYPE ZEOLITES WITH AND WITHOUT TEMPLATE AND EVALUATION OF PHYSICOCHEMICAL PROPERTIES AND ANILINE ALKYLATION ACTIVITY

ZSM-5 zeolite containing SiO2/Al2O3 = 28 was synthesised by hydrotherm al process with and without template. Characterisation of the zeolites was done using XRD, IR, NMR, SEM and BET surface area measurements. A cidity of the zeolites was measured by ammonia adsorption-desorption. Catalytic activity of HZSM-5 zeolites was evaluated by aniline alkylat ion, cumene dealkylation, alkylation of benzene with ethylene and prop ylene and isomerisation of m-xylene. Catalytic activity is discussed f rom the point of view of zeolite acidity and morphology.