Kinetics of carbon monoxide methanation on nickel catalysts

被引：7
|
作者：
Luu Cam Loc [1 ]
Nguyen Manh Huan [1 ]
Gaidai, N. A. [2 ]
Ho Si Thoang [1 ]
Agafonov, Yu A. [2 ]
Nekrasov, N. V. [2 ]
Lapidus, A. L. [2 ]
机构：
[1] Vietnamese Acad Sci & Technol, Inst Chem Technol, Ho Chi Minh City, Vietnam
[2] Russian Acad Sci, Zelinsky Inst Organ Chem, Moscow 119991, Russia
来源：
KINETICS AND CATALYSIS | 2012年 / 53卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
CO METHANATION; MECHANISM; HYDROGENATION;
D O I：
10.1134/S0023158412030093
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：
The kinetics of CO methanation in excess H-2 on CaO- and CeO2-doped nickel catalysts supported on Al2O3 and TiO2 was studied at atmospheric pressure in a temperature range of 180-240A degrees C. It was found that the same rational fractional rate equation corresponding to the reaction taking place at high surface coverages, is valid for all of the catalysts. The activity of nickel catalysts in the methanation reaction and their adsorption capacity with respect to reaction mixture components depend on the nature of the support and dopants.
引用
收藏
页码：384 / 394
页数：11
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