Preparation of mesoporous alumina with large pore size and their supported rhenium oxide catalysts in metathesis of 1-butene and 2-butene to propene

被引：0

作者：

Lei SangShengLi ChenGuimei YuanZheng ZhouRui LiAicheng ChenMin ZhengJu You State Key Laboratory of Heavy Oil ProcessingCollege of Chemical EngineeringChina University of PetroleumBeijing China ^{[102249
]}

机构：

来源：

Journal of Natural Gas Chemistry | 2012年 / 03期

关键词：

mesoporous alumina; rhenium oxide; metathesis; butene; propene;

D O I：

暂无

中图分类号：

O643.32 [催化反应];

学科分类号：

081705 ;

摘要：

Mesoporous γ-aluminas with large pore size(up to 19 nm,denoted as MA19) are prepared from dispersed pseudo-boehmite using pluronic P123 as template.It is found that these mesoporous alumina supported rhenium oxide catalysts were more active and have far longer working life-span in gas-phase metathesis of 1-butene and 2-butene to propene than rhenium oxide on conventional alumina with small pore size(5 nm).At 60°C and atmospheric pressure with WHSV = 1 h-1,the similar stable conversions of butene(ca.55%) for all the 13 wt% Re 2 O 7 /alumina catalysts were obtained near the chemical equilibrium,and the stable working life-spans of Re 2 O 7 /MA19 were far longer than that of Re 2 O 7 /Al 2 O 3,being about 70 h and 20 h,respectively.

引用

页码：352 / 359

页数：8

共 34 条

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