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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

Determination of Metal Dispersion of Pt/CeO2 Catalyst by CO-pulse Method

http://hdl.handle.net/2237/14010
http://hdl.handle.net/2237/14010
7a02cb06-0237-4bb2-8226-11eebcb41c21
名前 / ファイル ライセンス アクション
32_Journal_of_the_japan_petroleum_institute_48_173-177.pdf 32_Journal_of_the_japan_petroleum_institute_48_173-177.pdf (182.7 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-08-17
タイトル
タイトル Determination of Metal Dispersion of Pt/CeO2 Catalyst by CO-pulse Method
言語 en
その他のタイトル
その他のタイトル COパルス法によるPt/CeO2触媒の金属分散度の測定
言語 ja
著者 駒井, 慎一

× 駒井, 慎一

WEKO 38466

ja 駒井, 慎一

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Komai, Shin'ichi

× Komai, Shin'ichi

WEKO 38467

en Komai, Shin'ichi

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矢澤, 義輝

× 矢澤, 義輝

WEKO 38468

ja 矢澤, 義輝

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Yazawa, Yoshiteru

× Yazawa, Yoshiteru

WEKO 38469

en Yazawa, Yoshiteru

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薩摩, 篤

× 薩摩, 篤

WEKO 38470

ja 薩摩, 篤

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Satsuma, Atsushi

× Satsuma, Atsushi

WEKO 38471

en Satsuma, Atsushi

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服部, 忠

× 服部, 忠

WEKO 38472

ja 服部, 忠

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Hattori, Tadashi

× Hattori, Tadashi

WEKO 38473

en Hattori, Tadashi

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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 ja
権利情報 社団法人日本石油学会
キーワード
主題Scheme Other
主題 Metal dispersion
キーワード
主題Scheme Other
主題 Platinum catalyst
キーワード
主題Scheme Other
主題 Ceria support
キーワード
主題Scheme Other
主題 Carbon monoxide adsorption
キーワード
主題Scheme Other
主題 Reduction condition
抄録
内容記述 In order to establish a CO adsorption method for rapid measurement of metal dispersion of catalysts containing CeO2 that disturbs the measurement due to the adsorption of H2 or CO, the effect of reduction conditions on CO adsorption over Pt/CeO2 catalyst was examined on the basis of the standardized manual of CO-pulse method established by the Committee on Reference Catalyst, the Catalysis Society of Japan. Reduction of the catalysts under the standardized condition (673 K, 15 min) showed that Pt catalysts supported on low surface area CeO2 (12.6 m2・g-1) gave reasonable ratios of adsorbed CO to total Pt. However, the CO/Pt ratio exceeded unity on high surface area CeO2 support (66.7 m2・g-1), suggesting adsorption of CO on the CeO2 surface. Reduction of the catalyst under milder conditions at 373 to 573 K for 15 min to 5 h gave constant CO/Pt ratio of 0.40 within a reasonable experimental error. The mean particle diameter estimated from this CO/Pt ratio on the assumption of spherical particles closely agreed with a volume-area mean diameter measured by TEM. It was concluded that the dispersion of Pt supported on CeO2 can be measured by lowering the reduction temperature to suppress the effect of the CeO2 support.
言語 en
内容記述タイプ Abstract
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 VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ISSN
収録物識別子タイプ PISSN
収録物識別子 1346-8804
書誌情報 en : Journal of the Japan Petroleum Institute

巻 48, 号 3, p. 173-177, 発行日 2005
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/14010
識別子タイプ HDL
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