Dehydrogenation of Ethylbenzene to Styrene over Rhenium- and Tungsten-Containing Porous Ceramic Converters

被引：2

作者：

Fedotov, A. S. ^{[1
]}

Grachev, D. Yu. ^{[1
]}

Bagdatov, R. A. ^{[1
]}

Tsodikov, M. V. ^{[1
]}

Uvarov, V. I. ^{[2
]}

Kapustin, R. D. ^{[2
]}

Paul, S. ^{[3
]}

Dumeignil, F. ^{[3
]}

机构：

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

[2] Russian Acad Sci, Merzhanov Inst Struct Macrokinet & Mat Sci, Chernogolovka 142432, Russia

[3] Univ Artois, Univ Lille, Unite Catalyse & Chim Solide, CNRS,Cent Lille,UMR 8181,UCCS, F-59000 Lille, France

来源：

PETROLEUM CHEMISTRY | 2023年 / 63卷 / 04期

基金：

俄罗斯科学基金会;

关键词：

heterogeneous catalysis; porous converters; rhenium; tungsten; self-propagating high-temperature synthesis; sol-gel method; dehydrogenation; ethylbenzene; monomers; styrene; REDUCTION; DESIGN; OXIDE;

D O I：

10.1134/S0965544123030143

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A series of tubular porous ceramic converters modified with mono- and bimetallic catalytic systems based on rhenium and tungsten were prepared by a combination of self-propagating high-temperature synthesis and the sol-gel method. These converters were tested in dehydrogenation of ethylbenzene to styrene. Among the tested samples, a monometallic tungsten-containing converter exhibited the optimal properties as it achieved the highest target product production performance. Within the temperature range of 550-600 degrees C, this converter provided a yield of styrene up to about 15 wt % and styrene productivity up to about 22 g h(-1) dm(-3), with the carbonization of the sample not exceeding 5 wt % over about 6 h of reaction.

引用

页码：453 / 462

页数：10

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