Coupling of CH4 to C2 Hydrocarbons in a Packed Bed DBD Plasma Reactor: The Effect of Dielectric Constant and Porosity of the Packing

Mohammadreza Taheraslani*, H. Gardeniers

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

6 Downloads (Pure)

Abstract

The conversion of methane was investigated in a packed-bed dielectric barrier discharge (DBD) plasma reactor operated at ambient conditions. High dielectric BaTiO3 was utilized as packing in comparison with gamma-alumina, alpha-alumina, and silica-SBA-15. Results show a considerably lower conversion of CH4 and C2 yield for the BaTiO3 packed reactor, which is even less than that obtained for the nonpacked reactor. In contrast, the low dielectric alumina (gamma and alpha) packed reactor improved the conversion of CH4 and C2 yield. Additionally, the alumina packed reactor shifted the distribution of C2 compounds towards C2H4 higher than that obtained for the nonpacked reactor and resulted in a higher energy eciency compared to the BaTiO3 packed reactor. This is attributed to the small pore size of BaTiO3 (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.
Original languageEnglish
Article number468
Number of pages19
JournalEnergies
Volume13
Issue number2
DOIs
Publication statusPublished - 18 Jan 2020

Fingerprint

Packed Bed
Aluminum Oxide
Dielectric Constant
Packed beds
Hydrocarbons
Porosity
plasma jets
Reactor
Packing
beds
Permittivity
Alumina
Plasma
hydrocarbons
reactors
permittivity
porosity
Plasmas
aluminum oxides
Methane

Keywords

  • methane conversion
  • plasma catalysis
  • DBD reactor
  • dielectric packing
  • C2 selectivity

Cite this

@article{28d357ac310047aab7267c210c7020ee,
title = "Coupling of CH4 to C2 Hydrocarbons in a Packed Bed DBD Plasma Reactor: The Effect of Dielectric Constant and Porosity of the Packing",
abstract = "The conversion of methane was investigated in a packed-bed dielectric barrier discharge (DBD) plasma reactor operated at ambient conditions. High dielectric BaTiO3 was utilized as packing in comparison with gamma-alumina, alpha-alumina, and silica-SBA-15. Results show a considerably lower conversion of CH4 and C2 yield for the BaTiO3 packed reactor, which is even less than that obtained for the nonpacked reactor. In contrast, the low dielectric alumina (gamma and alpha) packed reactor improved the conversion of CH4 and C2 yield. Additionally, the alumina packed reactor shifted the distribution of C2 compounds towards C2H4 higher than that obtained for the nonpacked reactor and resulted in a higher energy eciency compared to the BaTiO3 packed reactor. This is attributed to the small pore size of BaTiO3 (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.",
keywords = "methane conversion, plasma catalysis, DBD reactor, dielectric packing, C2 selectivity",
author = "Mohammadreza Taheraslani and H. Gardeniers",
year = "2020",
month = "1",
day = "18",
doi = "10.3390/en13020468",
language = "English",
volume = "13",
journal = "Energies",
issn = "1996-1073",
publisher = "Multidisciplinary Digital Publishing Institute",
number = "2",

}

Coupling of CH4 to C2 Hydrocarbons in a Packed Bed DBD Plasma Reactor : The Effect of Dielectric Constant and Porosity of the Packing. / Taheraslani, Mohammadreza ; Gardeniers, H.

In: Energies, Vol. 13, No. 2, 468, 18.01.2020.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Coupling of CH4 to C2 Hydrocarbons in a Packed Bed DBD Plasma Reactor

T2 - The Effect of Dielectric Constant and Porosity of the Packing

AU - Taheraslani, Mohammadreza

AU - Gardeniers, H.

PY - 2020/1/18

Y1 - 2020/1/18

N2 - The conversion of methane was investigated in a packed-bed dielectric barrier discharge (DBD) plasma reactor operated at ambient conditions. High dielectric BaTiO3 was utilized as packing in comparison with gamma-alumina, alpha-alumina, and silica-SBA-15. Results show a considerably lower conversion of CH4 and C2 yield for the BaTiO3 packed reactor, which is even less than that obtained for the nonpacked reactor. In contrast, the low dielectric alumina (gamma and alpha) packed reactor improved the conversion of CH4 and C2 yield. Additionally, the alumina packed reactor shifted the distribution of C2 compounds towards C2H4 higher than that obtained for the nonpacked reactor and resulted in a higher energy eciency compared to the BaTiO3 packed reactor. This is attributed to the small pore size of BaTiO3 (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.

AB - The conversion of methane was investigated in a packed-bed dielectric barrier discharge (DBD) plasma reactor operated at ambient conditions. High dielectric BaTiO3 was utilized as packing in comparison with gamma-alumina, alpha-alumina, and silica-SBA-15. Results show a considerably lower conversion of CH4 and C2 yield for the BaTiO3 packed reactor, which is even less than that obtained for the nonpacked reactor. In contrast, the low dielectric alumina (gamma and alpha) packed reactor improved the conversion of CH4 and C2 yield. Additionally, the alumina packed reactor shifted the distribution of C2 compounds towards C2H4 higher than that obtained for the nonpacked reactor and resulted in a higher energy eciency compared to the BaTiO3 packed reactor. This is attributed to the small pore size of BaTiO3 (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.

KW - methane conversion

KW - plasma catalysis

KW - DBD reactor

KW - dielectric packing

KW - C2 selectivity

U2 - 10.3390/en13020468

DO - 10.3390/en13020468

M3 - Article

VL - 13

JO - Energies

JF - Energies

SN - 1996-1073

IS - 2

M1 - 468

ER -