Alkylation of Benzene with Propylene on Hierarchical MWW Zeolites Prepared by Recrystallization

被引：1

作者：

Shkuropatov, A. V. ^{[1
]}

Popov, A. G. ^{[1
]}

Ivanova, I. I. ^{[1
,2
]}

机构：

[1] Lomonosov Moscow State Univ, Moscow 119991, Russia

[2] Russian Acad Sci, Topchiev Inst Petrochem Synth, Moscow 119991, Russia

来源：

PETROLEUM CHEMISTRY | 2021年 / 61卷 / 08期

基金：

俄罗斯科学基金会;

关键词：

MWW zeolites; alkylation of benzene with propylene; recrystallization; hierarchical zeolite; post-synthetic modification; MORPHOLOGY;

D O I：

10.1134/S0965544121080132

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The effect of the base type [NaOH, tetramethylammonium hydroxide, and tetrapropylammonium hydroxide] and concentration (3-12 mmol/g) on the formation of mesopores during recrystallization of MWW zeolites was studied. It was shown that with NaOH, cylindrical mesopores are mainly formed, while with tetraalkylammonium hydroxides, slit-like pores. The effect of recrystallization on the catalytic activity of MWW zeolites in benzene alkylation with propylene was studied. It was shown that slit-like mesopores lead to an increase in activity, while cylindrical mesopores only slightly affect the catalytic properties.

引用

页码：908 / 915

页数：8

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