Abstract
ZSM-5 (core)/SAPO-11 (shell) composite molecular sieve was synthesized by the hydrothermal method in order to combine the advantages of ZSM-5 and SAPO-11 for the methylation of naphthalene with methanol. For comparison, the mechanical mixture was prepared through the blending of ZSM-5 and SAPO-11. The characterization results indicated that ZSM-5/SAPO-11 composite molecular sieve exhibited a core–shell structure, with the ZSM-5 phase as the core and the SAPO-11 phase as the shell. The pore size of the composite was between that of ZSM-5 and SAPO-11. The composite had fewer acid sites than ZSM-5 and mechanical mixture while more acid sites than SAPO-11. The experimental results indicated that the composite exhibited high catalytic performances for the methylation of naphthalene with methanol.
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11 December 2019
An Erratum to this paper has been published: https://doi.org/10.1134/S1070427219100173
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Wang, X., Guo, F., Wei, X. et al. RETRACTED ARTICLE: Study on Methylation of Naphthalene with Methanol over ZSM-5 (core)/SAPO-11(shell) Composite Molecular Sieve. Russ J Appl Chem 91, 1002–1008 (2018). https://doi.org/10.1134/S1070427218060198
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DOI: https://doi.org/10.1134/S1070427218060198