Publication: Auto-methanation performance of structured Ni-type catalyst for CO<inf>2</inf> transformation
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2019-01-01
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13480715
03667022
03667022
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2-s2.0-85066111460
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item.page.oaire.edition
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Mahidol University
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Chemistry Letters. Vol.48, No.5 (2019), 441-444
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Choji Fukuhara, Sakhon Ratchahat, Asuka Kamiyama, Masao Sudoh, Ryo Watanabe (2019). Auto-methanation performance of structured Ni-type catalyst for CO<inf>2</inf> transformation. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/50590.
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Auto-methanation performance of structured Ni-type catalyst for CO<inf>2</inf> transformation
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Abstract
© 2019 The Chemical Society of Japan. The methanation performance of a Ni/CeO2 structured catalyst having a spiral shape was investigated using a feed material gas containing 1-11 vol % oxygen. The spiral catalyst exhibited high methane yield for a high oxygen concentration (9-11 vol %) and fast feed flow rate even under an auto-methanation condition, which does not require external heating. Such high methane yield was continuously maintained for 60 hours or longer. Under the auto-methanation over the structured catalyst, the reaction field generated high thermal energy, which did not exceed the Tammann temperature of the nickel component, due to selective hydrogen combustion.