Hydrogen production and thermal behavior of methanol autothermal reforming and steam reforming triggered by microwave heating

Wei-Hsin Chen, Bo Jhih Lin

研究成果: Article

19 引文 斯高帕斯(Scopus)

摘要

Hydrogen production and thermal behavior of methanol autothermal reforming (ATR) triggered by microwave heating are studied. Methanol steam reforming (MSR) is also investigated for comparison. A commercial Cu-Zn-based catalyst is used. The gas hourly space velocity (GHSV) is fixed at 72,000 h-1, and the reaction temperature and the oxygen/methanol molar ratio (i.e. O2/C ratio) are in the ranges of 250-300 C and 0-0.5, respectively. The results suggest that an increase in O2/C ratio or reaction temperature diminishes the supplied energy for microwave irradiation, as a result of more oxidative reactions involved. However, the performance of methanol ATR at 300 C is lower than that at 250 C. The methanol conversion of ATR is beyond 90% at O2/C = 0.125 and 0.5, whereas it is relatively low (56-67%) at O 2/C = 0.25, presumably due to the weakened microwave irradiation and insufficient heat release. The spectrum analysis of supplied power using the fast Fourier transform (FFT) algorithm indicates that the supplied power characteristics of endothermic reactions are different from those of exothermic reactions.

原文English
頁(從 - 到)9973-9983
頁數11
期刊International Journal of Hydrogen Energy
38
發行號24
DOIs
出版狀態Published - 2013 八月 12

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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