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Coupling of CH 4 to C 2 Hydrocarbons in a Packed Bed DBD Plasma Reactor: The Effect of Dielectric Constant and Porosity of the Packing

Author

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  • Mohammadreza Taheraslani

    (Mesoscale Chemical Systems, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
    Faculty of Science and Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands)

  • Han Gardeniers

    (Mesoscale Chemical Systems, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands)

Abstract

The conversion of methane was investigated in a packed-bed dielectric barrier discharge (DBD) plasma reactor operated at ambient conditions. High dielectric BaTiO 3 was utilized as packing in comparison with γ-alumina, α-alumina, and silica-SBA-15. Results show a considerably lower conversion of CH 4 and C 2 yield for the BaTiO 3 packed reactor, which is even less than that obtained for the nonpacked reactor. In contrast, the low dielectric alumina (γ and α) packed reactor improved the conversion of CH 4 and C 2 yield. Additionally, the alumina packed reactor shifted the distribution of C 2 compounds towards C 2 H 4 higher than that obtained for the nonpacked reactor and resulted in a higher energy efficiency compared to the BaTiO 3 packed reactor. This is attributed to the small pore size of BaTiO 3 (10–200 nm) and its high dielectric constant, whereas the polarization inside small pores does not lead to the formation of an overall strong electric field.

Suggested Citation

  • Mohammadreza Taheraslani & Han Gardeniers, 2020. "Coupling of CH 4 to C 2 Hydrocarbons in a Packed Bed DBD Plasma Reactor: The Effect of Dielectric Constant and Porosity of the Packing," Energies, MDPI, vol. 13(2), pages 1-19, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:2:p:468-:d:310199
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    Cited by:

    1. Mateusz Wnukowski, 2023. "Methane Pyrolysis with the Use of Plasma: Review of Plasma Reactors and Process Products," Energies, MDPI, vol. 16(18), pages 1-34, September.

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