ON THE ACTIVATION-ENERGIES OF THE FORWARD AND REVERSE WATER-GAS SHIFT REACTION

被引：65
|
作者：
SPENCER, MS
机构：
[1] Department of Chemistry, University of Wales, Cardiff, Cardiff, CF1 3 TB
来源：
CATALYSIS LETTERS | 1995年 / 32卷 / 1-2期
关键词：
WATER-GAS SHIFT REACTION; MICROSCOPIC REVERSIBILITY; ACTIVATION ENERGY; METAL CATALYSTS; OXIDE CATALYSTS;
D O I：
10.1007/BF00806097
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：
Published experimental results demonstrate that the reverse water-gas shift reaction is surprisingly fast over several varied catalysts (metallic and oxidic). The observed values of activation energy of the reaction are shown here to be inconsistent with values calculated from the standard enthalpy change and the activation energies of the forward reaction. Possible explanations of this paradox are discussed in terms of the limits to the application of the ''principle of microscopic reversibility'' to catalytic systems.
引用
收藏
页码：9 / 13
页数：5
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