Journal
JOURNAL OF CO2 UTILIZATION
Volume 9, Issue -, Pages 74-81Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jcou.2015.01.002
Keywords
CO2 conversion; Energy efficiency; Atmospheric plasma; DBD plasma source; Syngas production
Funding
- Belgian Federal Office for Science Policy (BELSPO)
- IAP/7 (Inter-university Attraction Pole) program
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The conversion of CO2 and CH4 into value-added chemicals is studied in a new geometry of a dielectric barrier discharge (DBD) with multi-electrodes, dedicated to the treatment of high gas flow rates. Gas chromatography is used to define the CO2 and CH4 conversion as well as the yields of the products of decomposition (CO, O-2 and H-2) and of recombination (C2H4, C2H6 and CH2O). The influence of three parameters is investigated on the'conversion: the CO2 and CH4 flow rates, the plasma power and the nature of the carrier gas (argon or helium). The energy efficiency of the CO2 conversion is estimated and compared with those of similar atmospheric plasma sources. Our DBD reactor shows a good compromise between a good energy efficiency and the treatment of a large CO2 flow rate. (C) 2015 Elsevier Ltd. All rights reserved.
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