Synergetic mechanism of methanol–steam reforming reaction in a catalytic reactor with electric discharges

Taegyu Kim, Sungkwon Jo, Young-Hoon Song and Dae Hoon Lee

Applied Energy, 2014, vol. 113, issue C, 1692-1699

Abstract: Methanol–steam reforming was performed on Cu/ZnO/Al2O3 catalysts under an electric discharge. The discharge occurred between the electrodes where the catalysts were packed. The electric discharge was characterized by the discharge voltage and electric power to generate the discharge. The existence of a discharge had a synergetic effect on the catalytic reaction for methanol conversion. The electric discharge provided modified reaction paths resulting in a lower temperature for catalyst activation or light off. The discharge partially controlled the yield and selectivity of species in a reforming process. The aspect of control was examined in view of the reaction kinetics. The possible mechanisms for the synergetic effect between the catalytic reaction and electric discharge on methanol–steam reforming were addressed. A discrete reaction path, particularly adsorption triggered by an electric discharge, was suggested to be the most likely mechanism for the synergetic effect. These results are expected to provide a guide for understanding the plasma–catalyst hybrid reaction.

Keywords: Electric discharge; Methanol–steam reforming; Hydrogen production; Plasma reforming; Reaction mechanism (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (7)

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DOI: 10.1016/j.apenergy.2013.09.023

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