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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Enhanced three way catalytic activity of NiFe2O4 by physically mixed metal oxides

http://hdl.handle.net/2237/00028301
http://hdl.handle.net/2237/00028301
91dbfe6f-482b-4f86-89c0-f41f08999724
名前 / ファイル ライセンス アクション
16KJSC_GOA11_NagaiSatsumaV1.pdf 16KJSC_GOA11_NagaiSatsumaV1 (773.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 78251

en Nagai, Shiori

Search repository
Ueda, Kakuya

× Ueda, Kakuya

WEKO 78252

en Ueda, Kakuya

Search repository
Ohyama, Junya

× Ohyama, Junya

WEKO 78253

en Ohyama, Junya

Search repository
Satsuma, Atsushi

× Satsuma, Atsushi

WEKO 78254

en Satsuma, Atsushi

Search repository
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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