The Mutual Conversion of CO2 and CO in Dielectric Barrier Discharge (DBD)

Guangyun Zheng, Jiemin Jiang, Yuping Wu, Renxi Zhang, Huiqi Hou

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53 Scopus citations

Abstract

Non-equilibrium plasma, which was engendered by dielectric barrier discharge (DBD) was used to analyze the mutual conversion between CO 2 and CO. The results showed that the conversion ratio of CO increased monotonously with the increasing voltage. But CO2 was not so. Its conversion ratio reached maximum when the voltage was 3600 V in Ar system. It also showed that the existence of water molecules was more advanageous for the conversion of CO to CO2 in Ar system than in oxygen system, and the conversion ratio could reach 75.8% when the relative humidity was 100%. We also discussed the energy yield and energy efficiency, and the result was that high voltage and high concentration of reactant was disadvantageous for energy utilization.

Original languageEnglish
Pages (from-to)59-68
Number of pages10
JournalPlasma Chemistry and Plasma Processing
Volume23
Issue number1
DOIs
StatePublished - Mar 2003
Externally publishedYes

Keywords

  • Carbon dioxide
  • Carbon monoxide
  • Conversion ratio
  • Non-equilibrium plasma

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