High yield production of C2–C3 olefins and para-xylene from methanol using a SiO2-coated FeOx/ZSM-5 catalyst

Qiongfang Hu; Xiaofan Huang; Yu Cui; Tengfa Luo; Xiaoping Tang; Tong Wang; Weizhong Qian; Fei Wei

doi:10.1039/C7RA04111J

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High yield production of C₂–C₃ olefins and para-xylene from methanol using a SiO₂-coated FeO_x/ZSM-5 catalyst†

Qiongfang Hu,^a Xiaofan Huang,^bc Yu Cui,^ab Tengfa Luo,^c Xiaoping Tang,^ab Tong Wang,^abc Weizhong Qian

*^a and Fei Wei

Author affiliations

* Corresponding authors

^a Department of Chemical Engineering, Tsinghua University, China
E-mail: qianwz@tsinghua.edu.cn

^b Coal Chemical Industry Division, Huadian Coal Industry Group Co. Ltd., Beijing 100031, China

^c Shanxi Yuheng Chemical Co., Huadian Coal Industry Group Co. Ltd., Yulin, Shanxi, China

Abstract

Herein, FeO_x-supported ZSM-5 exhibited excellent catalytic performance in the aromatization of methanol, similar to ZnO_x-supported ZSM-5 but with much longer life time. Coating of FeO_x/ZSM-5 catalyst with a SiO₂ shell is effective to suppress the isomerization of xylene and hydrogen transfer from propylene to propane on the external surface. As a result, FeO_x/ZSM-5@SiO₂ exhibited gross yield of C₂–C₃ olefins and para-xylene (carbon base) far higher than that of HZSM-5, ZnO_x/ZSM-5, and ZnO_x/ZSM-5@SiO₂.

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Article information

DOI: https://doi.org/10.1039/C7RA04111J
Article type: Paper
Submitted: 11 Apr 2017
Accepted: 19 May 2017
First published: 01 Jun 2017
This article is Open Access

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RSC Adv., 2017,7, 28940-28944

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High yield production of C₂–C₃ olefins and para-xylene from methanol using a SiO₂-coated FeO_x/ZSM-5 catalyst

Q. Hu, X. Huang, Y. Cui, T. Luo, X. Tang, T. Wang, W. Qian and F. Wei, RSC Adv., 2017, 7, 28940 DOI: 10.1039/C7RA04111J

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