Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials
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 spectrosc...
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MDPI AG
2020-09-01
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Online Access: | https://www.mdpi.com/2073-4344/10/9/1098 |
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author | Ling Xu Fan Wang Zhi Xiu Limei Duan Zongrui Liu Jingqi Guan |
author_facet | Ling Xu Fan Wang Zhi Xiu Limei Duan Zongrui Liu Jingqi Guan |
author_sort | Ling Xu |
collection | DOAJ |
description | 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), N<sub>2</sub> 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. |
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institution | Directory Open Access Journal |
issn | 2073-4344 |
language | English |
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spelling | doaj.art-248c2f21efef4a5386222b7871b9b8e52023-11-20T14:35:58ZengMDPI AGCatalysts2073-43442020-09-01109109810.3390/catal10091098Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina MaterialsLing Xu0Fan Wang1Zhi Xiu2Limei Duan3Zongrui Liu4Jingqi Guan5College of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, ChinaCollege of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, ChinaCollege of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, ChinaCollege of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, ChinaCollege of Chemistry and Materials Science, Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, ChinaKey Laboratory of Surface and Interface Chemistry of Jilin Province, College of Chemistry, Jilin University, Changchun 130012, ChinaHierarchical 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), N<sub>2</sub> 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.https://www.mdpi.com/2073-4344/10/9/1098hierarchical poremicro-mesoporous silica-aluminaphenol tert-butylationpre-crystallization time |
spellingShingle | Ling Xu Fan Wang Zhi Xiu Limei Duan Zongrui Liu Jingqi Guan Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials Catalysts hierarchical pore micro-mesoporous silica-alumina phenol tert-butylation pre-crystallization time |
title | Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials |
title_full | Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials |
title_fullStr | Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials |
title_full_unstemmed | Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials |
title_short | Enhanced Phenol Tert-Butylation Reaction Activity over Hierarchical Porous Silica-Alumina Materials |
title_sort | enhanced phenol tert butylation reaction activity over hierarchical porous silica alumina materials |
topic | hierarchical pore micro-mesoporous silica-alumina phenol tert-butylation pre-crystallization time |
url | https://www.mdpi.com/2073-4344/10/9/1098 |
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