Production of propene from 1-butene metathesis reaction on tungsten based heterogeneous catalysts

查看全文 作　　者：Huijuan [1,2]Liu;Ling [1,2]Zhang;Xiujie [1]Li;Shengjun [1]Huang;Shenglin [1]Liu;Wenjie [1]Xin;Sujuan [1]Xie;Longya [1]Xu

机构地区：[1]State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;[2]Graduate University of Chinese Academy Sciences, Beijing 100049, China

出　　处：《Journal of Natural Gas Chemistry》索引2009年第18卷第3期,共6页

基　　金：supported by the National Natural Science Foundation of China (No.20773120);National 973 Project of China (No.2005CB221403) 摘　　要：A new propene production route from 1-butene metathesis has been developed on heterogeneous 10WO3/Al2O3-HY catalysts with different HY contents.It is found that the catalysts play bi-functionally first for the isomerization of 1-butene to 2-butene and then for the cross-metathesis between 1-butene and 2-butene to propene and 2-pentene.The combination of HY zeolite and Al2O3 is prerequisite for the production of propene.The propene yield keeps increasing with the HY content in the range of 10-70 wt%,where 10WO3/Al2O3-70HY exhibits the highest propene yield.The MS-H2-TPR and MS-O2-TPO characterizations indicate that the increase of HY content in the catalysts weakens the interaction between W species and supports,whereas enhance the probability of coking on the metal species and acid sites. 关键词：丙烯生产复分解反应钨催化剂生产路线丁烯异构 Al2O3 双向功能

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Production of propene from 1-butene metathesis reaction on tungsten based heterogeneous catalysts

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