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Volume 10
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10.3390/catal10091098
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Article

Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials

by
Ling Xu
1,
Fan Wang
1,
Zhi Xiu
1,
Limei Duan
1,
Zongrui Liu
1,* and
Jingqi Guan
2,*
1
College of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, China
2
Key Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, China
*
Authors to whom correspondence should be addressed.
Catalysts 2020, 10(9), 1098; https://doi.org/10.3390/catal10091098
Submission received: 28 July 2020 / Revised: 14 September 2020 / Accepted: 16 September 2020 / Published: 22 September 2020
(This article belongs to the Special Issue Porous Materials and Catalysts)
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Abstract

Hierarchical aluminum-silicon materials have been successfully prepared by mixing pre-crystallization of silica-alumina sol and citric acid under hydrothermal conditions. The influence of pre-crystallization time on the micro-mesoporous structure is studied using Fourier transform infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), N2 physical adsorption, and high-resolution transmission electron microscopy (HRTEM). The catalytic performance of hierarchical silica-alumina material is evaluated by alkylation of phenol with tert-butanol. The results show that the silica-alumina materials with a pre-crystallization time of 16 h show micro-mesoporous structure and excellent catalytic activity.
Keywords: hierarchical pore; micro-mesoporous silica-alumina; phenol tert-butylation; pre-crystallization time hierarchical pore; micro-mesoporous silica-alumina; phenol tert-butylation; pre-crystallization time

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MDPI and ACS Style

Xu, L.; Wang, F.; Xiu, Z.; Duan, L.; Liu, Z.; Guan, J. Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials. Catalysts 2020, 10, 1098. https://doi.org/10.3390/catal10091098

AMA Style

Xu L, Wang F, Xiu Z, Duan L, Liu Z, Guan J. Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials. Catalysts. 2020; 10(9):1098. https://doi.org/10.3390/catal10091098

Chicago/Turabian Style

Xu, Ling, Fan Wang, Zhi Xiu, Limei Duan, Zongrui Liu, and Jingqi Guan. 2020. "Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials" Catalysts 10, no. 9: 1098. https://doi.org/10.3390/catal10091098

APA Style

Xu, L., Wang, F., Xiu, Z., Duan, L., Liu, Z., & Guan, J. (2020). Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials. Catalysts, 10(9), 1098. https://doi.org/10.3390/catal10091098

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