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Synthesis of a ZSM-5(core)/SAPO-5(shell) composite and its application in FCC

Zhang, Qiang, Li, Chunyi, Xu, Shaojun, Shan, Honghong and Yang, Chaohe 2013. Synthesis of a ZSM-5(core)/SAPO-5(shell) composite and its application in FCC. Journal of Porous Materials 20 (1) , 171–176. 10.1007/s10934-012-9586-x

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A core/shell structure composite was synthesized via a new method of pre-coating one raw material. The composite was characterized by X-ray diffraction, SEM, TEM and N2 isothermal adsorption–desorption and Py-FTIR. In addition, the catalytic performance of the composite in cracking of heavy oil for producing olefin was also investigated. The characterization results show that the composite with a core/shell structure had smaller particle size, uniform SAPO-5 shell, and fewer acid sites than ZSM-5, accelerating the transport of reactant and product molecules between different zeolites. Consequently, the light olefins on the composites had high specific selectivity.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Publisher: Springer Verlag (Germany)
ISSN: 1380-2224
Last Modified: 14 Apr 2021 11:30

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