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Title: Auto-methanation of Carbon Dioxide: A Novel Route for Transforming CO <inf>2</inf> over Ni-based Catalyst
Authors: Choji Fukuhara
Sakhon Ratchahat
Yuji Suzuki
Masao Sudoh
Ryo Watanabe
National University Corporation Shizuoka University
Mahidol University
Amano Institute of Technology
Keywords: Chemistry
Issue Date: 1-Jan-2019
Citation: Chemistry Letters. Vol.48, No.3 (2019), 196-199
Abstract: © 2019 The Chemical Society of Japan CO 2 methanation over a Ni/CeO 2 catalyst was investigated under the feeding of a raw material gas containing oxygen of 110 vol % concentration. The presence of oxygen greatly improved the methanation activity and provided high methane yield, even with cutting external heating, near room temperature. This positive phenomenon was caused by the fact that hydrogen-combustion by oxygen selectively occurred on the Ni/CeO 2 catalyst, and a large amount of thermal energy was generated. We found a novel route of CO 2 methanation that can be driven without external heating, even near room temperature, which we named auto-methanation.
ISSN: 13480715
Appears in Collections:Scopus 2019

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