Graph-theoretic and energetic exploration of catalytic pathways of the water-gas shift reaction

L.T. Fan , Yu-Chuan Lin , Shahram Shafie , Keith L. Hohn , Botond Bertók , Ferenc Friedler
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引用次数: 13

Abstract

The catalytic mechanisms or pathways of water-gas shift (WGS) reaction have been the focus of intense research interest because of its immense importance in hydrogen production. At the outset, 116 stoichiometrically feasible independent pathways (IPi's) have been exhaustively generated within 2 s on a PC through a novel graph-theoretic method based on P-graphs (process graphs) from a set of 17 plausible elementary reactions. This is followed by the determination of IP18 among these 116 stoichiometrically feasible IPi's as the plausibly dominant pathway via energetic analysis.

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水气转换反应催化途径的图论与能量探索
由于水气转换反应在制氢中的重要作用,其催化机理和途径一直是国内外研究的热点。首先,通过一种基于p图(过程图)的新颖图论方法,从17个合理的基本反应中,在PC上在2秒内详尽地生成了116个化学计量上可行的独立路径(IPi)。随后,通过能量分析确定了这116个化学计量学上可行的IP18作为可能的主导途径。
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