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
收藏
页码：453 / 462
页数：10
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