b-Axis engineering of zeolite enables activity–stability synergy in propane dehydroaromatization

Yue Han; Bing Xu; Peng Zhu; Wenxi Li; Jiahao Sha; Zixuan Zhang; Yanbing Li; Chuang Gu; Tiecheng Shang; Cun Liu; Noritatsu Tsubaki; Guohui Yang

doi:10.1039/D5CC06063J

b-Axis engineering of zeolite enables activity–stability synergy in propane dehydroaromatization

Yue Han,^a Bing Xu,*^b Peng Zhu,^a Wenxi Li,^a Jiahao Sha,^a Zixuan Zhang,^a Yanbing Li,*^cd Chuang Gu,^c Tiecheng Shang,^c Cun Liu,^a Noritatsu Tsubaki

^e and Guohui Yang

*^ace

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* Corresponding authors

^a State Key Laboratory of Fine Chemicals, Frontiers Science Center for Smart Materials Oriented Chemical Engineering, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China

^b Yulin Zhongke Innovation Institute for Clean Energy, Yulin Branch, Dalian National Laboratory for Clean Energy, CAS, Yulin 719199, China

^c CCTEG China Coal Research Institute, Beijing 100013, China

^d Shanxi Research Institute of Huairou Laboratory, Taiyuan 030032, China

^e Department of Applied Chemistry, School of Engineering, University of Toyama, Toyama 930-8555, Japan

Abstract

We engineered the b-axis thickness to obtain a Zn-functionalized ZSM-5 catalyst that exhibited significantly superior performance in the propane dehydroaromatization (PDA) reaction—achieving 1.99 times higher propane conversion (48.0%) and 1.41 times higher BTX selectivity (55.3%) than the commercial aggregates. This finding demonstrates that b-axis engineering is an effective strategy for high-performance zeolite catalyst design.

Chemical Communications

b-Axis engineering of zeolite enables activity–stability synergy in propane dehydroaromatization

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b-Axis engineering of zeolite enables activity–stability synergy in propane dehydroaromatization

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