Study of Ti-P-O based catalysts in oxidative dehydrogenation of N-butane.: Identification of the active phase

被引:0
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作者
Marcu, IC
Millet, JMM
Sandulescu, I
机构
[1] Univ Bucharest, Fac Chim, Dept Technol Chim & Catalyse, Bucharest 030018, Romania
[2] Univ Lyon 1, CNRS, Inst Rech Catalyse, F-69626 Villeurbanne, France
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Eight Ti-P-O catalytic systems with an Ti to P atomic ratio varied between 13:1 and 1:2 were prepared, characterised and tested in the oxidative dehydrogenation of n-butane. Except Ti-2P-O catalyst. which consisted of one phase, namely TiP2O7, the other ones consisted of a two phases, mixture, TiO2 et TiP2O7. It has been shown that all of the catalysts are efficient for n-butane conversion, and that the pyrophosphate phase is responsible for this efficiency. A correlation between the acidity of the solids and their activity was observed.
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页码:573 / 583
页数:11
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