Studies on Pulse Reaction of Isobutene on Mo-Te Oxide Catalyst

Abstract

Abstract: The relationship between the structure and component of the Mo-Te oxide catalyst was studied by means of IRand XRD.The results indicate that the catalyst is composed of MoO₃ and Te₂MoO₇, and the amount of the former decreases and that of the latter increases with the increase of added amount of Te component.The examination of the activity of pulse isobutene oxidation on this catalyst shows that there exists some relationship between the conversion of isobutene or the selectivity of methacrolein and Te₂MoO₇ component respectively.The curve of conversion of isobutene vs.number of pulses appeared a fold.It show that there is different mechanism of isobutene reaction with catalyst before and after the fold point.It seems that two kinds of oxygen species are involved in this reaction.

Key words: Mo-Te oxide, Isobutene, Catalytic oxidation

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WANG Guo-Jia, WU Tong-Hao, JI Yu-Shu, YANG Hong-Mao, JIANG Yu-Zi, YU Lei, LI Ting-You. Studies on Pulse Reaction of Isobutene on Mo-Te Oxide Catalyst[J]. Chem. J. Chinese Universities, 1993, 14(2): 244.

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Studies on Pulse Reaction of Isobutene on Mo-Te Oxide Catalyst

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