Carbon dioxide hydrogenation over Fe-Ce catalysts

被引：64

作者：

Perez-Alonso, F. J. ^{[1
]}

Ojeda, M. ^{[1
]}

Herranz, T. ^{[1
]}

Rojas, S. ^{[1
]}

Gonzalez-Carballo, J. M. ^{[1
]}

Terreros, P. ^{[1
]}

Fierro, J. L. G. ^{[1
]}

机构：

[1] CSIC, Inst Catalisis & Petr Quim, Madrid 28049, Spain

来源：

CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 09期

关键词：

Fe; Ce; CO2; hydrogenation; Fischer-Tropsch;

D O I：

10.1016/j.catcom.2008.03.024

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Unpromoted and Ce-promoted Fe catalysts were tested in the CO2 hydrogenation reaction. Both catalysts form predominantly CO and hydrocarbons (C-1-C-10). Reaction rate and selectivity to the different products were essentially the same with both catalysts. The chain growth probability (alpha) was very similar in both cases (similar to 0.44). Prior of being used in the CO2 hydrogenation reaction. the catalysts were used in CO hydrogenation until the stationary state was established. It was found that the Ce incorporation into the iron catalyst does not alter its final performance but it shortens the time required to reach stationary-state operation conditions. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1945 / 1948

页数：4

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