Alkylation of phenol with tert-butyl alcohol over zirconium incorporated mesoporous molecular sieves with enhanced acidity

被引：12
作者：
Zhao, Qian [1 ]
Wang, Qian [1 ]
Wu, Duolin [1 ]
Fu, Xiaoqi [1 ]
Jiang, Tingshun [1 ]
Yin, Hengbo [1 ]
机构：
[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2012年 / 18卷 / 04期
关键词：
Zirconium incorporated mesoporous molecular sieve; Solid acid catalyst; Impregnation method; Alkylation; Catalytic activity; CATALYTIC PERFORMANCE; EXCHANGE RESINS; T-BUTYLATION; ZEOLITES; MCM-41; HYDROCARBONS; H-ALMCM-41; OXIDATION; FAMILY; WATER;
D O I：
10.1016/j.jiec.2012.01.031
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Several SO42-/Zr-MCM-41 and SO42-/Zr-MCM-48 solid acid catalysts were prepared by wet impregnation method and were characterized by FT-IR, XRD, NH3-TPD and N-2 physical adsorption, respectively. The catalytic activities of these catalysts were evaluated in alkylation reaction of phenol and tert-butyl alcohol. Experimental results reveal that the four solid acid catalysts still maintained a typical mesoporous framework. Under comparable condition, the SO42-/Zr-MCM-48-25 catalyst exhibits much high catalytic activity and gives the highest phenol conversion as compared with the other catalysts. A maximum phenol conversion of 91.6% with 81.8% selectivity to 4-tert-butylphenol (4-TBP) was achieved at the reaction temperature of 140 degrees C. (c) 2012 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1326 / 1331
页数：6
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