Optimizing the Parameters of the Steam-Carbon Dioxide Conversion of Methane by Gibbs Energy Minimization

被引：1
|
作者：
Mikhailov, M. N. [1 ,2 ]
Demidov, D. V. [2 ]
Loginova, A. N. [2 ]
Kustov, L. M. [1 ]
机构：
[1] Russian Acad Sci, ND Zelinskii Organ Chem Inst, Moscow 119991, Russia
[2] United Res & Dev Ctr, Moscow 119333, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2011年 / 85卷 / 02期
关键词：
steam-carbon dioxide conversion of methane; Gibbs energy minimization; SELF-REGENERATIVE ACTIVITY; PARTIAL OXIDATION; HYDROGEN-PRODUCTION; THERMODYNAMIC ANALYSIS; NI/MG(AL)O CATALYSTS; AUTOTHERMAL STEAM; DIMETHYL ETHER; SYNGAS; CH4; RU;
D O I：
10.1134/S0036024411020245
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 thermodynamic equilibrium for the steam-carbon dioxide conversion of methane was studied by Gibbs energy minimization. The degree of coke formation, the content of methane and carbon dioxide in the synthesis gas, and the synthesis gas H(2)/CO ratio were plotted as functions of the molar ratios of CO(2)/CH(4) and H(2)O/CH(4) in the initial mixture at different temperatures and pressures. The regions of the optimum CH(4)/CO(2)/H(2)O molar ratios for steam-carbon dioxide conversion were discovered, with no coke formation taking place in these regions. The optimized CH(4)/CO(2)/H(2)O molar fractions characterized by the minimum content of methane and carbon dioxide in the synthesis gas were found for each region.
引用
收藏
页码：202 / 210
页数：9
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