INFRARED CHARACTERIZATION OF THE HYDROCARBON INTERMEDIATES IN THE OXIDATION OF TOLUENE AND XYLENES OVER VANADIA TITANIA CATALYSTS

被引:28
作者
BUSCA, G
机构
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1993年 / 89卷 / 04期
关键词
D O I
10.1039/ft9938900753
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The IR spectra of adsorbed species arising from the interaction of toluene, o-xylene, m-xylene and p-xylene vapours with the surface of a vanadia-titania selective oxidation catalyst are discussed. It is concluded that they are due to benzyl- and methylbenzyl-vanadium species arising from hydrogen abstraction from the hydrocarbon molecule. These species are thought to play a key role in the oxidation mechanism.
引用
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页码:753 / 755
页数:3
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