Preferential population of Al atoms at the T4 site of ZSM-35 for the carbonylation of dimethyl ether

Zhiping Xiong; Guodong Qi; Luyi Bai; Ensheng Zhan; Yueying Chu; Jun Xu; Na Ta; Aijing Hao; Feng Deng; Wenjie Shen

doi:10.1039/D2CY01112C

Preferential population of Al atoms at the T4 site of ZSM-35 for the carbonylation of dimethyl ether†

Zhiping Xiong,‡^ac Guodong Qi,‡^b Luyi Bai,^a Ensheng Zhan,

*^a Yueying Chu,^b Jun Xu,

*^b Na Ta,^a Aijing Hao,^ac Feng Deng

^b and Wenjie Shen

^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
E-mail: eszhan@dicp.ac.cn

^b National Centre for Magnetic Resonance in Wuhan, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan, China
E-mail: xujun@wipm.ac.cn

^c University of Chinese Academy of Sciences, Beijing, China

Abstract

Hydrothermal synthesis of ZSM-35 using dioxane as the structure-directing agent resulted in more than half of Al atoms located at the T4 site in the 8 membered-ring pore. The Brønsted acid site, thus generated, efficiently catalyzed the carbonylation of dimethyl ether with a specific activity of 1.2 mol_MA mol_T4⁻¹ h⁻¹ at 493 K.

Catalysis Science & Technology

Preferential population of Al atoms at the T4 site of ZSM-35 for the carbonylation of dimethyl ether†

Abstract

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Preferential population of Al atoms at the T4 site of ZSM-35 for the carbonylation of dimethyl ether

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