Zeolites, crystalline porous aluminosilicates, are widely used as solid catalysts in various petroleum and petrochemical processes. Cerium oxide, CeO2, is much useful catalyst for numerous organic reactions and environmental catalytic reactions due to its Lewis acid-base and redox properties. Therefore, mechanochemical preparation of compounded particles of micro-sized ZSM-5 zeolite and CeO2 nanoparticles was investigated in this research. During the mechanochemical treatment by using a powder composer, the crystallinity of ZSM-5 zeolite was almost retained. Bead-milling treatment of CeO2 agglomerates can be changed into highly dispersed CeO2 nanoparticles, and the following mechanochemical treatment with ZSM-5 can successfully give the compounded particles. The compounded particles showed the catalytic activity originating from ZSM-5 zeolite to promote the catalytic cracking reactions of various hydrocarbons.
