Liquid phase alkylation of benzene with dec-1-ene catalyzed on supported 12-tungstophosphoric acid

被引：29

作者：

Hernandez-Cortez, J. G. ^{[1
]}

Martinez, L. ^{[2
]}

Soto, L. ^{[2
]}

Lopez, A. ^{[1
]}

Navarrete, J. ^{[1
]}

Manriquez, Ma ^{[3
]}

Lara, V. H. ^{[3
]}

Lopez-Salinas, E. ^{[1
]}

机构：

[1] Inst Mexicano Petr, Mexico City 07730, DF, Mexico

[2] Univ Autonoma Metropolitana Azcapotzalco, CBI, Mexico City 02200, DF, Mexico

[3] Univ Autonoma Metropolitana Iztapalapa, CBI, Mexico City 09340, DF, Mexico

来源：

CATALYSIS TODAY | 2010年 / 150卷 / 3-4期

关键词：

Alkyl benzenes; Heteropoly acid; 12-Tungstophosphoric acid; Dec-1-ene; Alkylation; HETEROPOLY ACIDS; 1-DODECENE; OLEFINS;

D O I：

10.1016/j.cattod.2009.12.003

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The liquid phase alkylation of benzene with dec-1-ene was catalyzed by 12-tungstophosphoric acid (WP) supported on different solids (ZrO2, SiO2, activated carbon and boehmite-Al2O3). Catalysts prepared with 20 wt.% of WP were thermally treated at 300 degrees C and then the acidity was estimated by FTIR pyridine adsorption spectroscopy. Additionally, the catalysts were characterized by X-ray diffraction, thermal gravimetric analysis, and N-2 adsorption measurements. Thermal stability of supported WP and changes in textural properties of the catalysts were analyzed. Of all the catalysts, 20WP on SiO2 showed the highest acidity and was found to be the most active catalyst in alkylation of benzene with dec-1-ene at 80 degrees C, at dec-1-ene conversion of 70% and alkyl benzenes selectivity of nearly 40%. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：346 / 352

页数：7

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