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- In relation to this article, we declare that there is no conflict of interest.
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Received August 26, 2006
Accepted November 24, 2006
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Carbon dioxide reforming of methane with a free energy minimization approach
Key Laboratory of Clean Coal Power Generation and Combustion Technology of Ministry of Education, Southeast University, Nanjing 210096, Korea
bsjin2007@seu.edu.cn
Korean Journal of Chemical Engineering, July 2007, 24(4), 688-692(5), 10.1007/s11814-007-0027-5
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Abstract
Carbon dioxide reforming of methane to syngas is one of the primary technologies of the new poly-generation energy system on the basis of gasification gas and coke oven gas. A free energy minimization is applied to study the influence of operating parameters (temperature, pressure and methane-to-carbon dioxide ratio) on methane conversion, products distribution, and energy coupling between methane oxidation and carbon dioxide reforming methane. The results show that the methane conversion increases with temperature and decreases with pressure. When the methane-to-carbon dioxide ratio increases, the methane conversion drops but the H2/CO ratio increases. By the introduction of oxygen, an energy balance in the process of the carbon dioxide reforming methane and oxidation can be realized, and the CO/H2 ratio can be adjusted as well without water-gas shift reaction for Fischer-Tropsch or methanol synthesis.
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References
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