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Removal of Toluene as a Tar Analogue in a N₂ Carrier Gas Using a Non-thermal Plasma Dielectric Barrier Discharge Reactor

Lookup NU author(s): Faisal Saleem, Dr Kui Zhang, Professor Adam Harvey

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by American Chemical Society, 2019.

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Abstract

© 2018 American Chemical Society. The role of N2 carrier gas toward the conversion of tar analogue (toluene) was studied in a non-thermal plasma dielectric barrier discharge reactor. The parameters investigated were power (5-40 W), residence time (1.43-4.23 s), toluene concentration (20-82 g/Nm3), and wall temperature (from ambient to 400 °C). Almost complete removal (99%) of toluene was observed at 40 W and 4.23 s. The main gaseous product was H2, with a maximum selectivity of 40%. The other gaseous products were lighter hydrocarbons (LHCs, C1-C6, 5.5%). The selectivity to these LHCs could be increased to 10% by increasing the temperature to 400 °C. Introducing H2 to the N2 carrier gas at elevated temperatures opened up new reaction routes to enhance the selectivity to LHCs. The selectivity to methane reached 44% at 35% H2 at 400 °C, and the total selectivity to LHCs reached 57%.

Publication metadata

Author(s): Saleem F, Zhang K, Harvey A

Publication type: Article

Publication status: Published

Journal: Energy and Fuels

Year: 2019

Volume: 33

Issue: 1

Pages: 389-396

Print publication date: 17/01/2019

Online publication date: 03/12/2018

Acceptance date: 26/11/2018

Date deposited: 22/02/2019

ISSN (print): 0887-0624

ISSN (electronic): 1520-5029

Publisher: American Chemical Society

URL: https://doi.org/10.1021/acs.energyfuels.8b03618

DOI: 10.1021/acs.energyfuels.8b03618

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