Effect of the mobility of oxygen in perovskite catalyst on the dynamics of oxidative coupling of methane

被引：0
|
作者：
S. I. Reshetnikov
Yu. I. Pyatnitskii
L. Yu. Dolgikh
机构：
[1] Russian Academy of Sciences,Boreskov Institute of Catalysis, Siberian Branch
[2] National Academy of Sciences of Ukraine,L. V. Pisarzhevskii Institute of Physical Chemistry
来源：
Theoretical and Experimental Chemistry | 2011年 / 47卷
关键词：
diffusion of oxygen; mathematical modeling; perovskite; oxidative coupling of methane;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of the diffusion of oxygen from the volume of the catalyst to its surface on the dynamics of the oxidative coupling of methane was assessed on the basis of a mathematical model of the reaction of methane with the oxidized surface of KNaSrCoO3–x perovskite. It was shown that the possible values of the diffusion coefficient lie in the range of 10-18-10-16 cm2/s characteristic of the diffusion of oxygen in oxide catalysts.
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页码：49 / 54
页数：5
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