Synthesis of Hβ (core)/SAPO-11 (shell) Composite Molecular Sieve and its Catalytic Performances in the Methylation of Naphthalene with Methanol 


Vol. 34,  No. 12, pp. 3829-3834, Dec.  2013
10.5012/bkcs.2013.34.12.3829


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  Abstract

Hβ (core)/SAPO-11 (shell) composite molecular sieve was synthesized by the hydrothermal method in order to combine the advantages of Hβ and SAPO-11 for the methylation of naphthalene with methanol. For comparison, the mechanical mixture was prepared through the blending of Hβ and SAPO-11. The physicochemical properties of Hβ, SAPO-11, the composite and the mechanical mixture were characterized by various characterization methods. The characterization results indicated that Hβ/SAPO-11 composite molecular sieve exhibited a core-shell structure, with the Hβ phase as the core and the SAPO-11 phase as the shell. The pore diameter of the composite was between that of Hβ and SAPO-11. The composite had fewer acid sites than Hβ 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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  Cite this article

[IEEE Style]

X. Wang, S. Guo, L. Zhao, "Synthesis of Hβ (core)/SAPO-11 (shell) Composite Molecular Sieve and its Catalytic Performances in the Methylation of Naphthalene with Methanol," Bulletin of the Korean Chemical Society, vol. 34, no. 12, pp. 3829-3834, 2013. DOI: 10.5012/bkcs.2013.34.12.3829.

[ACM Style]

Xiaoxiao Wang, Shaoqing Guo, and Liangfu Zhao. 2013. Synthesis of Hβ (core)/SAPO-11 (shell) Composite Molecular Sieve and its Catalytic Performances in the Methylation of Naphthalene with Methanol. Bulletin of the Korean Chemical Society, 34, 12, (2013), 3829-3834. DOI: 10.5012/bkcs.2013.34.12.3829.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949