Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 38, Issue 36, Pages 16098-16120Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2013.09.136
Keywords
Dielectric barrier discharge; Experiment; Simulations; Methane/nitrogen; Hydrogen; Nitrogen metastable states
Categories
Funding
- IOF-SBO Project of the University of Antwerp
- Fund for Scientific Research Flanders (FWO)
- Belgian Science Policy in the Framework of the Program Interuniversity Attraction Poles (IAP)
- Ministry of Science, Research and Technology of I. R. Iran
- Hercules Foundation
- Flemish Government (department EWI)
- University of Antwerp
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We present a combined study of experimental and computational work for a dielectric barrier discharge (DBD) used for CH4 conversion into H-2. More specifically, we investigated the influence of N-2 as an impurity (1-50,000 ppm) and as additive gas (1-99%) on the CH4 conversion and H-2 yield. For this purpose, a zero-dimensional chemical kinetics model is applied to study the plasma chemistry. The calculated conversions and yields for various gas mixing ratios are compared to the obtained experimental values, and good agreement is achieved. The study reveals the significance of the N-2(A(3)Sigma(+)(u)) and N-2 (a('1)Sigma(-)(u)) metastable states for the CH4 conversion into H-2, based on a kinetic analysis of the reaction chemistry. Copyright (c) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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