Partial oxidation of methane to methanol with nitrogen dioxide in dielectric barrier discharge plasma: experimental and molecular modeling

Non-catalytic conversion of methane (CH4) and nitrogen dioxide (NO2) into methanol (CH3OH) has been conducted and presented in this paper. Experiments were carried out using dielectric barrier discharge as the reaction medium in atmospheric pressure and temperature conditions. High yield production...

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Bibliographic Details
Published in:Plasma sources science & technology 2016-04, Vol.25 (2), p.25002-25009
Main Author: Indarto, Antonius
Format: Article
Language:English
Subjects:
Barometric pressure
Conversion
Density functional theory
Dielectric barrier discharge
Methane
methanol
Methyl alcohol
Nitrogen dioxide
partial oxidation
plasma
Selectivity
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Summary:Non-catalytic conversion of methane (CH4) and nitrogen dioxide (NO2) into methanol (CH3OH) has been conducted and presented in this paper. Experiments were carried out using dielectric barrier discharge as the reaction medium in atmospheric pressure and temperature conditions. High yield production of methanol was achieved (18-20% mol) by single-stage plasma reaction with maximum selectivity of 32% mol. Compared to other oxidants, such as O2, the presence of NO2 in the plasma reaction resulted in higher methanol selectivity. For better understanding of the reactions, density functional theory calculations were also performed and discussed.
ISSN:0963-0252
1361-6595
DOI:10.1088/0963-0252/25/2/025002