Alkylation of biphenyl with propylene using MCM-22 and ITQ-2 zeolites

被引：37
|
作者：
Aguilar, J. [1 ]
Pergher, S. B. C. [2 ]
Detoni, C. [2 ]
Corma, A. [3 ]
Melo, F. V. [3 ]
Sastre, E. [4 ]
机构：
[1] Univ Autonoma Metropolitana, Div Ciencias Basicas & Ingn, Mexico City 02200, DF, Mexico
[2] Univ Integrada Alto Uruguai & Missoes, Dept Quim, BR-99700000 Erechim, RS, Brazil
[3] Univ Politecn Valencia, CSIC, Inst Tecnol Quim, Valencia 46022, Spain
[4] CSIC, Inst Catalisis & Petroleoquim, E-28049 Madrid, Spain
来源：
CATALYSIS TODAY | 2008年 / 133卷 / 1-4期
关键词：
MCM-22; ITQ-2; alkylation of biphenyl; propylene; shape selectivity; activity;
D O I：
10.1016/j.cattod.2007.11.057
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Alkylation of biphenyl with propylene in gas phase was carried out over two zeolites: MCM-22 and ITQ-2. The influence of zeolite structure on reaction activity and selectivity is discussed. The alkylation activity follows the order: ITQ-2 > MCM-22. The influence of the change in the morphology in MCM-22 to ITQ-2 has been studied and it has been observed that, under the reaction conditions used here, the reaction takes place mainly on the external surface, which indicates that the dimensions of 10 MR channels inhibit the diffusion of the bulky reactants inside the zeolitic pores and, also, explains the high o-IPBP selectivity observed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：667 / 672
页数：6
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