Effect of pretreatment gases on the performance of WO3SiO2 catalysts in the metathesis of 1-butene and ethene to propene》.pdf

C. R. Chimie 18 (2015) 644–653 Contents lists available at ScienceDirect Comptes Rendus Chimie w ww.s c ien ced irect.c o m ´ Full paper/Memoire Effect of pretreatment gases on the performance of WO /SiO 3 2 catalysts in the metathesis of 1-butene and ethene to propene a,b a a a c,* b,* Huan Liu , Kai Tao , Hongbo Yu , Chen Zhou , Zhen Ma , Dongsen Mao , Shenghu Zhou a,* a Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, 1219, Zhongguan West Road, Ningbo, Zhejiang 315201, China b Research Institute of Applied Catalysis, Shanghai Institute of Technology, 100, Haiquan Road, Shanghai 201418, China c Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, China A R T I C L E I N F O A B S T R A C T Article history: Different gases were employed to pretreat WO /SiO for the metathesis of 1-butene and 3 2 Received 10 June 2014 ethene to propene. Air-pretreated WO /SiO was inactive, whereas N -, N /H -, and H - 3 2 2 2 2 2 Accepted after revision 17 November 2014 pretreated WO /SiO exhibited high 1-butene conver