Poisoning Deactivation of Mesoporous Titanosilicate-Supported WO3 During Metathesis of Butene to Propene |
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| Authors: | Derun Hua Shengli Chen Zheng Zhou Xinning Lu Jian Li |
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| Affiliation: | 1.College of Chemistry and Chemical Engineering,Gannan Normal University,Jiangxi,China;2.State Key Laboratory of Heavy Oil, College of Chemical Science and Engineering,China University of Petroleum,Beijing,People’s Republic of China;3.Natural Gas Processing Plant of SINOPEC Zhongyuan Oilfield Branch,Puyang,China |
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| Abstract: | Deactivation by poisoning is studied in the metathesis of 2-butene to propene on mesoporous titanosilicate-supported WO3 (WO3/MTS–9), for which we focus on the effect of polar organic oxygenates on the activity of the catalyst. It is found that deactivation is strongly influenced by these oxygenates in feedstock, and the rate of deactivation increases with the increase of the polarity of the organic oxygenates. The deactivation by poisoning is reversible. The deactivation catalyst can be recovered by treatment in a nitrogen atmosphere at a high temperature. |
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