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2015•Advanced materials researchOpen access

Synthesis of ZSM-5 Zeolite without Organic Template

Zhao Hua Yin, Yong Chen, Zhong Wei Wang, Ying Xing, Xiu Juan Tian, Qing Yu, Chang Gong Meng

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Abstract

ZSM-5 zeolite was synthesized via a template-free method. The influence of crystallization time was investigated. The obtained samples were characterized by XRD, SEM and FTIR. Results shown that with the ratio of 8 Na2O : 80 SiO2 : 2 Al2O3 : 2500 H2O, the crystallization for ZSM-5 began at ca. 9 h. And fine ZSM-5 zeolite (ca. 10~15 μm) could be obtained by crystallizing at 190 °C for 10 h. Further increasing time would lead to the appearance of quartz.

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What this paper is about

ZSM-5 zeolite was synthesized via a template-free method. The influence of crystallization time was investigated. The obtained samples were characterized by XRD, SEM and FTIR. Results shown that with the ratio of 8 Na2O : 80 SiO2 : 2 Al2O3 : 2500 H2O, the crystallization for ZSM-5 began at ca. 9 h. And fine ZSM-5 zeolite (ca. 10~15 μm) could be obtained by crystallizing at 190 °C for 10 h. Further increasing time would lead to the appearance of quartz.

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Available abstract

ZSM-5 zeolite was synthesized via a template-free method. The influence of crystallization time was investigated. The obtained samples were characterized by XRD, SEM and FTIR. Results shown that with the ratio of 8 Na2O : 80 SiO2 : 2 Al2O3 : 2500 H2O, the crystallization for ZSM-5 began at ca. 9 h. And fine ZSM-5 zeolite (ca. 10~15 μm) could be obtained by crystallizing at 190 °C for 10 h. Further increasing time would lead to the appearance of quartz.

Key concepts: Zeolite, Crystallization, ZSM-5, Fourier transform infrared spectroscopy, Materials science, Quartz, Chemical engineering, Molecular sieve

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