Issue 1, 2022

Plasma enhanced anti-coking performance of Pd/CeO2 catalysts for the conversion of methane

Abstract

The direct nonoxidative conversion of methane (CH4) to valuable chemicals has attracted increasing interest. However, the carbon deposition will inevitably occur due to CH4 decomposition at high temperature. Here, we report the conversion of CH4 assisted by non-thermal plasma into olefins and H2 over a Pd/CeO2 catalyst. The addition of the plasma could effectively enhance the anti-coking performance of the catalyst, facilitating the conversion of CH4. The interaction between plasma and catalyst was explored in detail. The energized electron and ions generated by plasma could interact with the adsorbed CH3 species to efficiently suppress the consequent dehydrogenation of the adsorbed CH3, accelerating the desorption of the CH3 species from the surface of the catalyst, thus reducing the amount of carbon deposition on the catalyst surface. The highly efficient catalyst assisted by plasma is effective in enhancing the CH4 conversion and suppressing the carbon deposition, which deserves to be widely applied in catalysis.

Graphical abstract: Plasma enhanced anti-coking performance of Pd/CeO2 catalysts for the conversion of methane

Supplementary files

Article information

Article type
Paper
Submitted
14 Sep 2021
Accepted
08 Nov 2021
First published
10 Nov 2021

Sustainable Energy Fuels, 2022,6, 98-109

Plasma enhanced anti-coking performance of Pd/CeO2 catalysts for the conversion of methane

X. Hu, Y. Liu, L. Dou, C. Zhang, S. Zhang, Y. Gao, X. Tu and T. Shao, Sustainable Energy Fuels, 2022, 6, 98 DOI: 10.1039/D1SE01441B

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements