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2010•Journal of Inner Mongolia University of TechnologyRequires access

SYNTHESIS OF CE-MCM-41 MOLECULAR SIEVE

Liu Jun-fang

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Abstract

Medium pore Ce-MCM-41 molecular sieve had been prepared by hydrothermal method.Crystal structure,thermal stability and pore structure of Ce-MCM-41were characterized by XRD,TG-DSC and BET.The results indicated that Cerium ions had been introduced into framework of MCM-41 which caused the change in structure and the size increasing of pore inside of the molecular sieve.Thermal stability of Ce-MCM-41 molecular sieve was better than that of MCM-41.And the prepared Ce-MCM-41 molecular sieve was used for catalytic oxidation of styrene,its reaction rate was 25.62%.

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What this paper is about

Medium pore Ce-MCM-41 molecular sieve had been prepared by hydrothermal method.Crystal structure,thermal stability and pore structure of Ce-MCM-41were characterized by XRD,TG-DSC and BET.The results indicated that Cerium ions had been introduced into framework of MCM-41 which caused the change in structure and the size increasing of pore inside of the molecular sieve.Thermal stability of Ce-MCM-41 molecular sieve was better than that of MCM-41.And the prepared Ce-MCM-41 molecular sieve was used for catalytic oxidation of styrene,its reaction rate was 25.62%.

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Available abstract

Medium pore Ce-MCM-41 molecular sieve had been prepared by hydrothermal method.Crystal structure,thermal stability and pore structure of Ce-MCM-41were characterized by XRD,TG-DSC and BET.The results indicated that Cerium ions had been introduced into framework of MCM-41 which caused the change in structure and the size increasing of pore inside of the molecular sieve.Thermal stability of Ce-MCM-41 molecular sieve was better than that of MCM-41.And the prepared Ce-MCM-41 molecular sieve was used for catalytic oxidation of styrene,its reaction rate was 25.62%.

Key concepts: Molecular sieve, Cerium, Thermal stability, MCM-41, Materials science, Chemical engineering, Styrene, Catalysis

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