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Enhancing CO2 methanation over metal foam structured catalyst by electric internal heating

Abstract

Electrification of thermal catalysis not only provides a promising solution for power storage in the form of chemicals, but also paves the way to the development of intensive reaction technique for energy consumption minimization. Herein, we develop an electric internal heating (EIH) method based on Ni-foam (NF) structured catalyst for CO2 hydrogenation to methane, in which the Joule heat generated by electric current passing through the structured catalyst drives the heterogeneous catalytic reaction. Compared with the conventional external heating (CH) method, EIH significantly enhances the catalytic activity and anti-poisoning ability of the catalysts. Kinetic analyses reveal that EIH can activate more catalytic active sites of the NF structured catalysts than CH, which is probably ascribed to the electronic effects in EIH. This study suggests that EIH may offer a novel platform of chemical process intensification combined with compact heat management and electronic intensifying effect.

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Publication details

The article was received on 25 Sep 2019, accepted on 26 Nov 2019 and first published on 27 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC07525A
Chem. Commun., 2019, Accepted Manuscript

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    Enhancing CO2 methanation over metal foam structured catalyst by electric internal heating

    L. Dou, C. Yan, L. Zhong, D. Zhang, J. Zhang, X. Li and L. Xiao, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC07525A

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