Generating zeolite crystals with mesoscopic aperiodic structure to promote catalytic hydroisomerization

Qie, Guanyu; Deng, Quanzheng; Deng, Donghao; Zhai, Miao; Ding, Hongxin; Liu, Wei; Han, Lu; Zhu, Kake

doi:10.1039/d4ta01303d

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta01303d

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Generating zeolite crystals with mesoscopic aperiodic structure to promote catalytic hydroisomerization

Guanyu Qie,

Quanzheng Deng,

Donghao Deng

et al.

Abstract: Generating hierarchical zeolites provides an effective way to enhance their transport and catalytic properties. Several seminal methods have been reported to fabricate them with mesoscopically periodic order using surfactant-like structure...

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Cited by 2 publications

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Boosting hydroisomerization of n-hexadecane by designing core-shell bifunctional catalysts with partially blocked micropores

Wang,

et al. 2025

Molecular Catalysis

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Boosting hydroisomerization of n-hexadecane by designing core-shell bifunctional catalysts with partially blocked micropores

Wang,

et al. 2025

Molecular Catalysis

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Generating Disk-Shaped MTW Zeolite with Reduced Channel Length Using Polycation Structure-Directing Agent for Hydroisomerization of N-Dodecane

Qie,

Zhai,

Zhu

et al. 2024

Catalysts

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The development of hierarchically structured zeolites to mitigate diffusion limitations and improve catalytic performance constitutes a focus of current research. In this study, we present the synthesis of hierarchical disk-shaped MTW zeolite (ZSM-12-P) with shortened channel length using polycation [-C5H9N+C10H10N+C5H9-C3H6-]n[Br−]2n (PDIP) as an organic structure-directing agent (OSDA). The ZSM-12-P zeolite forms disk-shaped structures with thicknesses ranging from 140 to 160 nm and exhibits rotational intergrowth. These structures are composed of interconnected nanocrystalline domains that form mesopores accessible from the outer surface, while the microporous channels extend along the thickness direction. In addition, the polycationic OSDA possesses strong interaction with framework and MTW structure-directing ability, enabling the successful synthesis of the Al-rich ZSM-12-P. Owing to its strong acidity and improved diffusion property, the Pt/HZSM-12-P catalyst demonstrates enhanced catalytic n-dodecane hydroisomerization activity and isomer yield.

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Generating zeolite crystals with mesoscopic aperiodic structure to promote catalytic hydroisomerization

Abstract: Generating hierarchical zeolites provides an effective way to enhance their transport and catalytic properties. Several seminal methods have been reported to fabricate them with mesoscopically periodic order using surfactant-like structure...

Cited by 2 publications

References 49 publications

Boosting hydroisomerization of n-hexadecane by designing core-shell bifunctional catalysts with partially blocked micropores

Boosting hydroisomerization of n-hexadecane by designing core-shell bifunctional catalysts with partially blocked micropores

Generating Disk-Shaped MTW Zeolite with Reduced Channel Length Using Polycation Structure-Directing Agent for Hydroisomerization of N-Dodecane

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