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The Production of Ketene and C5O2 from CO2, N2 and CH4 in a Non-thermal Plasma Catalysed by Earth-Abundant Elements: An In-Situ FTIR Study

Lookup NU author(s): Professor Paul Christensen, Halim Bin Md Ali, Zeinab Mashhadani, Dr Michael Carroll

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

In situ Fourier Transform Infra Red spectroscopy was employed to study the plasma glow region of a non-thermal plasma between two Macor dielectrics and fed with CO2, CH4 and N2. CO, HCN and formaldehyde were produced and rapidly attained steady-state conditions. In addition, the chain oxides C5O2 and ketene were observed (the first time such species have been seen in the dry reforming of methane) and a liquid film was produced comprising multiple components, one of which was acetamide. The data were interpreted in terms of catalysis by the Macor dielectric and a wholly novel, multizone model in which the liquid film plays a direct and important role. The data obtained in the plasma experiments were compared to an analogous, thermal experiment. Importantly, the results from this work could have major implications across the fields of catalysis, synthesis and origin-of-life chemistry.


Publication metadata

Author(s): Christensen PA, Bin Md Ali AH, Mashhadani ZTAW, Carroll MA, Martin PA

Publication type: Article

Publication status: Published

Journal: Plasma Chemistry and Plasma Processing

Year: 2018

Volume: 38

Issue: 3

Pages: 461-484

Print publication date: 01/05/2018

Online publication date: 23/03/2018

Acceptance date: 17/03/2018

Date deposited: 23/03/2018

ISSN (print): 0272-4324

ISSN (electronic): 1572-8986

Publisher: Springer New York LLC

URL: https://doi.org/10.1007/s11090-018-9889-z

DOI: 10.1007/s11090-018-9889-z


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