| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): | □ | Peer Review
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| ○カテゴリ (推奨): | □ | 研究
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| ○共著種別 (推奨): | □ | 単独著作 (徳島大学内の単一の研究グループ(研究室等)内の研究 (単著も含む))
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| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.大学院理工学研究部.理工学部門.応用化学系.化学プロセス工学分野 (2016年4月1日〜2017年3月31日)
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| 2. | 徳島大学.先端技術科学教育部.物質生命システム工学専攻.化学機能創生コース.化学プロセス工学講座 (2012年4月1日〜)
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| 3. | 徳島大学.工学部.化学応用工学科.化学プロセス工学講座
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| 4. | 徳島大学.大学院社会産業理工学研究部.フロンティア研究センター.資源循環研究部門.環境エネルギー創生分野 (〜2018年3月31日)
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| ○著者 (必須): | 1. | 杉山 茂 ([徳島大学.大学院社会産業理工学研究部.理工学域.応用化学系.化学プロセス工学分野]/[徳島大学.理工学部.理工学科.応用化学システムコース.化学プロセス工学講座])
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| 2. | (英) Nagai Kohta (日) 長井 宏太 (読) ながい こうた
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| ○学籍番号 (推奨): | □ | ****
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| 3. | (英) Nakao Yuki (日) 中尾 友紀 (読) なかお ゆき
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| ○学籍番号 (推奨): | □ | ****
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| 4. | (no caption; EID=309336)
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| 5. | 加藤 雅裕 ([徳島大学.大学院社会産業理工学研究部.理工学域.応用化学系.化学プロセス工学分野]/[徳島大学.理工学部.理工学科.応用化学システムコース.化学プロセス工学講座])
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| ○題名 (必須): | □ | (英) Catalyst Deactivation of a Silica-supported Bismuth-molybdenum Complex Oxide and the Related Complex Oxides for the Oxidative Dehydrogenation of 1-Butene to 1,3-Butadiene (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) This study was an examination of the catalyst deactivation of a silica-supported bismuth-molybdenum complex oxide, and that of catalysts used in the absence of bismuth, for the oxidative dehydrogenation of 1-butene. Due to the detection of deactivation, the molar ratio of 1-butene against oxygen in the reactant gas was adjusted to a ratio similar to that used in industrial processes where reaction temperatures average 100 K higher. Regardless of the presence or absence of bismuth in the catalysts, the conversion of 1-butene was decreased by 6 h on-stream. Both the progress of the coking from the inlet to the outlet of the catalyst and the reduction of molybdenum in the catalysts directly contributed to the deactivation. X-ray photoelectron spectrometry revealed that a greater reduction of molybdenum in the near-surface region and a smaller partial pressure of oxygen (P(O2)) in the reactant gas, although the molybdenum on the surface was not reduced at all. This indicated that the lattice oxygen was pumped from the near-surface region to the surface during the reaction and the oxygen-poor conditions of the near-surface region both in the gas and catalyst phases were formed at a smaller P(O2), which resulted in the enhancements of both the reduction of molybdenum and that of coking. Based on the thermogravimetric analysis, the silica-supported bismuth-molybdenum complex oxide used at P(O2) = 4.1 kPa (color of the catalyst = black) was increased in weight while that used at P(O2) = 16.4 kPa (color of the catalyst = gray) showed a weight decrease, which indicated that the weight decrease caused by the reduction in molybdenum in the near-surface region used at 4.1 kPa was greater than the weight increase from the coking. It was concluded that the reduction in molybdenum followed by the coking on the catalyst surface were the main factors in the catalyst deactivation. (日)
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| ○キーワード (推奨): | 1. | (英) Catalyst Deactivation (日) (読)
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| 2. | (英) Bismuth-molybdenum oxide (日) (読)
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| 3. | (英) Oxidative Dehydrogenation (日) (読)
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| 4. | (英) 1-Butene (日) (読)
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| 5. | (英) 1,3-Butadiene (日) (読)
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| ○発行所 (推奨): | □ | 社団法人 化学工学会
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| ○誌名 (必須): | □ | Journal of Chemical Engineering of Japan ([社団法人 化学工学会])
(pISSN: 0021-9592, eISSN: 1881-1299)
| ○ISSN (任意): | □ | 0021-9592
ISSN: 0021-9592
(pISSN: 0021-9592, eISSN: 1881-1299) Title: Journal of Chemical Engineering of JapanSupplier: 公益社団法人 化学工学会Publisher: Taylor & Francis (J-STAGE)
(Scopus)
(CrossRef)
(Scopus information is found. [need login]) | [継承] |
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| ○巻 (必須): | □ | 50
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| ○号 (必須): | □ | 8
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| ○頁 (必須): | □ | 641 647
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| ○都市 (任意): | □ | 東京 (Tokyo/[日本国])
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| ○年月日 (必須): | □ | 西暦 2017年 8月 20日 (平成 29年 8月 20日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1252/jcej.16we380 (→Scopusで検索)
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| ○機関リポジトリ : | □ | 111074
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