NDLI: Synergistic effect of additional TiO$_{2}$ support on metathesis activity of ethylene and 2-butene over supported tungsten-based catalysts for propylene production

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Synergistic effect of additional TiO$_{2}$ support on metathesis activity of ethylene and 2-butene over supported tungsten-based catalysts for propylene production

Content Provider	Springer Nature Link
Author	Limsangkass, W. Chaemchuen, S. Phatanasri, S. Praserthdam, P. Suriye, K.
Copyright Year	2014
Abstract	Tungsten-based catalysts of different preparations mixed with TiO$_{2}$ support were investigated in the metathesis of ethylene and trans-2-butene to propylene. The catalytic activity of silica-supported tungsten oxide catalyst (WO$_{3}$/SiO$_{2}$) mixed with TiO$_{2}$ additional support had higher efficiency than that of mixed SiO$_{2}$-TiO$_{2}$ supported tungsten oxide (WO$_{3}$/SiO$_{2}$-TiO$_{2}$). The clean area of the TiO$_{2}$ additional support, which provides more space for tungsten migration, is an important key to explain the improved catalytic activity, due to the higher fraction of the isolated surface tetrahedral tungsten oxide species and better dispersion of the tungsten oxide species observed by FT Raman spectroscopy. In addition to the synergistic effect of the additional TiO$_{2}$ support on the metathesis activity, the similar synergy was also observed for the one–third diluted catalysts with additional SiO$_{2}$. It has been found that the synergistic effect exerted by the presence of additional SiO$_{2}$ support predominates over the one-third dilution effect of catalyst concentration. Thus, adding an additional support is another simple way to improve the catalytic activity of the catalysts and makes great benefit for being used in real chemical industry.
Starting Page	676
Ending Page	682
Page Count	7
File Format	PDF
ISSN	00231584
Journal	Kinetics and Catalysis
Volume Number	55
Issue Number	5
e-ISSN	16083210
Language	English
Publisher	Pleiades Publishing
Publisher Date	2014-09-21
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Catalysis Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis Modeling and Simulation Computer Science Applications

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Effect of Dispersion of the Active Phase on the Activity and Coke Formation over WO3/SiO2 Catalysts in the Metathesis of Ethylene and 2-Butene

Effect of 2-Butene Cis/Trans Isomers in the Metathesis of Ethylene and 2-Butene Over WO3/SiO2 Catalysts

On the Product Formation in 1-Butene Metathesis over Supported Tungsten Catalysts

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Effect of Nano-sized TiO2 Additional Support in WO3/SiO2 Catalyst Systems on Metathesis of Ethylene and Trans-2-Butene to Propylene

The structure-reactivity relationship for metathesis reaction between ethylene and 2-butene on WO$_{3}$/SiO$_{2}$ catalysts calcinated at different temperatures

Effect of tungsten oxide loading on metathesis activity of ethene and 2-butene over WO$_{3}$/SiO$_{2}$ catalysts

Synergistic effect of additional TiO$_{2}$ support on metathesis activity of ethylene and 2-butene over supported tungsten-based catalysts for propylene production

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