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Methane conversion to H₂ and higher hydrocarbons using non-thermal plasma dielectric barrier discharge reactor

Lookup NU author(s): Faisal Saleem, Dr Usman Dahiru, 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 Elsevier BV, 2019.

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Abstract

© 2019The use of Non-Thermal Plasma (NTP) reactors has been proposed as an alternative solution to the World's stranded gas challenge due to their ability to perform reactions, such as direct conversion of methane to H2 and higher hydrocarbons (>C1), at room temperature. An optimisation study varying plasma power (10–50 W) and residence time (3.82–19.08 s) was performed using a DBD reactor with no catalyst. The effects of additives including water vapour, nitrogen, and hydrogen were also explored. The optimum conditions for methane conversion (36.5%) without additives at ambient temperature (20 °C) were found to be maximum at 50 W and 19.08 s, resulting in a H2 yield of 13.9%. The key finding from the additive study was that the addition of 10% N2 resulted in an increase in conversion (37.6%) and an increase in H2 yield (14.5%), at 50 W and 19.08 s.

Publication metadata

Author(s): Saleem F, Kennedy J, Dahiru UH, Zhang K, Harvey A

Publication type: Article

Publication status: Published

Journal: Chemical Engineering and Processing - Process Intensification

Year: 2019

Volume: 142

Print publication date: 01/08/2019

Online publication date: 10/06/2019

Acceptance date: 09/06/2019

Date deposited: 03/09/2019

ISSN (print): 0255-2701

ISSN (electronic): 1873-3204

Publisher: Elsevier BV

URL: https://doi.org/10.1016/j.cep.2019.107557

DOI: 10.1016/j.cep.2019.107557

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