Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 35, Issue 18, Pages 9637-9640Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.06.104
Keywords
Pyrolysis; Hydrogen; Methanol; Discharge; Energy conversion
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The reforming of methanol is usually carried out by a catalytic process. In this study, a single-stage, non-catalytic, methanol pyrolysis and reforming, process for producing mainly hydrogen using an atmospheric-pressure microwave plasma reactor is demonstrated. When the applied power was elevated from 800 to 1400 W, the selectivity of H-2 increased from 77.5% to 85.8% at inlet molar fraction of MeOH = 3.3%. The selectivities of carbon-containing byproducts were in the order: CO > carbon black > C2H2 > CH4 > CO2 similar to C2H4. In addition, a higher conversion of methanol with a higher selectivity of H-2 was achieved at a higher applied power. While a low required energy consumption of H-2 (13.2 eV/molecule-H-2) was obtained at a low applied power (800 W) and a higher inlet concentration of methanol (5.0%). (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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