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Gliding Arc Plasmatron: Providing an Alternative Method for Carbon Dioxide Conversion

Ramakers, Marleen ; Trenchev, Georgi ; Heijkers, Stijn ; Wang, Weizong ; Bogaerts, Annemie

ChemSusChem, 2017-06, Vol.10 (12), p.2642-2652 [Periódico revisado por pares]

Germany: Wiley Subscription Services, Inc

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  • Título:
    Gliding Arc Plasmatron: Providing an Alternative Method for Carbon Dioxide Conversion
  • Autor: Ramakers, Marleen ; Trenchev, Georgi ; Heijkers, Stijn ; Wang, Weizong ; Bogaerts, Annemie
  • Assuntos: Carbon dioxide ; Carbon Dioxide - chemistry ; Catalysis ; co2 conversion ; Direct power generation ; Energy conversion efficiency ; Energy efficiency ; Energy management ; Environment ; Gliding ; gliding arc plasmatron ; New technology ; Nuclear fuels ; Plasma ; Plasma Gases - chemistry ; plasma modeling ; Plasmas ; Plasmas (physics) ; Reactors ; vortex flow
  • É parte de: ChemSusChem, 2017-06, Vol.10 (12), p.2642-2652
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Low‐temperature plasmas are gaining a lot of interest for environmental and energy applications. A large research field in these applications is the conversion of CO2 into chemicals and fuels. Since CO2 is a very stable molecule, a key performance indicator for the research on plasma‐based CO2 conversion is the energy efficiency. Until now, the energy efficiency in atmospheric plasma reactors is quite low, and therefore we employ here a novel type of plasma reactor, the gliding arc plasmatron (GAP). This paper provides a detailed experimental and computational study of the CO2 conversion, as well as the energy cost and efficiency in a GAP. A comparison with thermal conversion, other plasma types and other novel CO2 conversion technologies is made to find out whether this novel plasma reactor can provide a significant contribution to the much‐needed efficient conversion of CO2. From these comparisons it becomes evident that our results are less than a factor of two away from being cost competitive and already outperform several other new technologies. Furthermore, we indicate how the performance of the GAP can still be improved by further exploiting its non‐equilibrium character. Hence, it is clear that the GAP is very promising for CO2 conversion. A promising reactor: We employ a gliding arc plasmatron to investigate CO2 conversion in a wide range of conditions to exploit the reverse vortex flow behavior. The latter improves CO2 conversion, which is explained from fluid dynamics simulations of the gas flow and the arc movement. Our experimental data are complemented with model calculations for the underlying plasma chemistry, from which it is clear that vibrationally excited CO2 significantly contributes to CO2 dissociation, explaining the good energy efficiency, and pointing out how this can be improved.
  • Editor: Germany: Wiley Subscription Services, Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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