Thermodynamic analysis of hydrogen production from glycerol autothermal reforming

Wang, H. and Wang, Xiaodong and Li, M. and Li, S. and Wang, S. and Ma, X. (2009) Thermodynamic analysis of hydrogen production from glycerol autothermal reforming. International Journal of Hydrogen Energy, 34 (14). pp. 5683-5690. ISSN 0360-3199

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In this work, thermodynamics was applied to investigate the glycerol autothermal reforming to generate hydrogen for fuel cell application. Equilibrium calculations employing the Gibbs free energy minimization were performed in a wide range of temperature (700–1000 K), steam to glycerol ratio (1–12) and oxygen to glycerol ratio (0.0–3.0). Results show that the most favorable conditions for hydrogen production are achieved with the temperatures, steam to glycerol ratios and oxygen to glycerol ratios of 900–1000 K, 9–12 and 0.0–0.4, respectively. Further, it is demonstrated that thermoneutral conditions (steam to glycerol ratio 9–12) can be obtained at oxygen to glycerol ratios of around 0.36 (at 900 K) and 0.38–0.39 (at 1000 K). Under these thermoneutral conditions, the maximum number of moles of hydrogen produced are 5.62 (900 K) and 5.43 (1000 K) with a steam to glycerol ratio of 12. Also, it should be noted that methane and carbon formation can be effectively eliminated.

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Journal Article
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International Journal of Hydrogen Energy
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23 Sep 2019 11:05
Last Modified:
15 Sep 2023 00:59