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Plasma-catalytic Conversion of Methane by DBD and Gliding Discharges
-
Krzysztof Schmidt-Szałowski
,
Agnieszka Górska
Published/Copyright:
November 30, 2016
Abstract
The methane conversion into C2 hydrocarbons was examined at atmospheric-pressure plasmas generated by dielectric barrier discharges (DBD) and gliding discharges (GD) using different mixtures of gases (CH4 with Ar, CO2, and H2). Ethane was the main product of the methane conversion in filamentary DBD, whereas mainly acetylene was generated by gliding discharge. It was found that one of the commercial catalysts (Cu/Zn/Al2O3) can be used for the methane conversion in DBD. A new type of the gliding discharge reactor with a widening upwards working chamber, and two vertical electrodes was designed. A spouted-bed of alumina-ceramic particles (0.16 - 0.5 mm) was maintained in the inter-electrode volume by a stream of gaseous reactants passing upward. The presence of the spouted bed resulted in: 1) an increase in voltage and decrease in current, and 2) an increase of the overall methane conversion and selectivity into C2 hydrocarbons.
Keywords: methane conversion; C2 hydrocarbons; dielectric barrier discharges; gliding discharges; heterogeneous catalysis
Received: 2005-11-15
Revised: 2006-1-30
Accepted: 2006-2-6
Published Online: 2016-11-30
Published in Print: 2006-7-1
© 2016 by Walter de Gruyter Berlin/Boston
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Keywords for this article
methane conversion;
C2 hydrocarbons;
dielectric barrier discharges;
gliding discharges;
heterogeneous catalysis
Articles in the same Issue
- Preface
- Power Supply Systems of Ozone Generators with Magnetic Frequency Multipliers
- Simultaneous Decomposition of Diesel Particulate Material and NOx Using Dielectric Barrier Discharge
- Phenol Oxidation in Aqueous Solution by Gas Phase Corona Discharge
- LIF Observation of Ground-State OH Radicals in DC Nozzle-to-Plane Positive Streamer Corona
- Measurement of Low Gas Concentration Using Photonic Bandgap Fiber
- A Study on a Diode-Bridge Type Differential Capacitance Detection Circuit
- Microwave Reactor for Nitrous Oxide Processing
- Volume-Surface Discharge as an Ion Source for Plasma Technologies
- Development of Agricultural Soil Sterilization Using Ozone Generated by High Frequency Dielectric Barrier Discharge
- Modeling of the Temperature Distribution in Arc Discharge Plasma Reactor
- Arc Plasma Reactor Power System with 5-Limb Transformer
- Discharge Plasma Characteristics in Pure Ar Gas at Multi-Atmospheric Pressure Using the Automatically Pre-Ionized Plasma Electrode
- A New Type of Reactor with a Combination of Surface Discharge and Advanced Oxidation Process in Air and its Applications
- Study of a Wide Area Carbon Nanotubes Preparation for an Environmental Application
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- Energetic of the Oxidation of NOx by Ozone Using a Simple Molecular Model in a Computational Chemistry Scheme
- Analysis of Acoustic Signal in the MICRO Discharges Using Continuous Wavelet Transform
- Plasma-catalytic Conversion of Methane by DBD and Gliding Discharges
- Investigation of Hot Gas Mixture Free Jet
- Piezoelectrical Properties of Plasma Layers Zn-Bi-O
- Modification of Polymer Surfaces Using Atmospheric Pressure Barrier Discharges
- Influence of Silicon, Oxygen and Nitrogen Admixtures Upon the Properties of Plasma Deposited Amorphous Diamond-Like Carbon Coatings
- Thin Films Deposited from Trimethylmethoxysilane
