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Enhanced three way catalytic activity of NiFe2O4 by physically mixed metal oxides
http://hdl.handle.net/2237/00028301
http://hdl.handle.net/2237/0002830191dbfe6f-482b-4f86-89c0-f41f08999724
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-06-13 | |||||
タイトル | ||||||
タイトル | Enhanced three way catalytic activity of NiFe2O4 by physically mixed metal oxides | |||||
言語 | en | |||||
著者 |
Nagai, Shiori
× Nagai, Shiori× Ueda, Kakuya× Ohyama, Junya× Satsuma, Atsushi |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Automotive three way catalyst | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Nickel ferrite | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Promotion effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Physical mixture | |||||
抄録 | ||||||
内容記述 | The NOx reduction activity of NiFe2O4 in automotive three-way catalysis was enhanced by physical mixing with CeO2, MgO, ZrO2, and Al2O3, while the mixing with TiO2 and Nb2O5 did not promoted the catalytic activity. On both pure NiFe2O4 and the physically mixed catalysts, NO was mainly reduced by C3H6 under the NO-C3H6-CO-O2 reaction conditions, because the temperature dependence of NO conversion in NO-C3H6-CO-O2 reaction was the same as that in NO-C3H6-O2 reaction. The in-situ FT/IR measurement revealed that the NO reduction proceeded with (1) partial oxidation of C3H6 to surface carboxylates, i.e., acetate and formate as good reductants for NO, and (2) reduction of NO by surface carboxylates. The metal oxide additives did not have catalytic activity for partial oxidation of C3H6 nor for NO oxidation to NO2, except CeO2. The main promotion effect was attributed to storage and release of surface carboxylates by metal oxide additives. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
内容記述 | ||||||
内容記述 | ファイル公開:2020-04-01 | |||||
言語 | ja | |||||
内容記述タイプ | Other | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Elsevier | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1016/j.cattod.2017.07.026 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 0920-5861 | |||||
書誌情報 |
en : Catalysis Today 巻 303, p. 40-45, 発行日 2018-04-01 |
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著者版フラグ | ||||||
値 | author |