A study of FeNx/C catalysts for the selective oxidation of unsaturated alcohols by molecular oxygen

Zhang, Jinping; Nagamatsu, Shinichi; Du, Junmou; Tong, Chaoli; Fang, Huihuang; Deng, Dehui; Liu, Xi; Asakura, Kiyotaka; Yuan, Youzhu

A study of FeNx/C catalysts for the selective oxidation of unsaturated alcohols by molecular oxygen

Zhang, Jinping; Nagamatsu, Shinichi; Du, Junmou et al.

Journal of catalysis, 2018, 367, 16-26

Permalink : https://hdl.handle.net/2115/79699

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アクセス権	open access
URI	https://hdl.handle.net/2115/79699
タイトル	A study of FeNx/C catalysts for the selective oxidation of unsaturated alcohols by molecular oxygen
著者	Zhang, Jinping ; Nagamatsu, Shinichi ; Du, Junmou ; Tong, Chaoli ; Fang, Huihuang ; Deng, Dehui ; Liu, Xi ; Asakura, Kiyotaka ; Yuan, Youzhu
著者名 Zhang, Jinping
著者名 Nagamatsu, Shinichi
著者名 Du, Junmou
著者名 Tong, Chaoli
著者名 Fang, Huihuang
著者名 Deng, Dehui
著者名 Liu, Xi
e-Rad_Researcher 60175164 著者名 Asakura, Kiyotaka
著者名 Yuan, Youzhu
言語	英語
キーワード	FeNx/C catalysts
	Selective oxidation
	Unsaturated alcohol
	Characterization
	Regeneration
発行日	2018-11
出版者	Elsevier
収録物名	Journal of catalysis
巻(号)	367
ページ	16-26
抄録	Transition-metal nitrides can exhibit catalytic performance comparable to that of noble metal catalysts in many reactions. However, investigations on the correlation of catalyst structure, performance, and stability are still highly demanded. Here, a series of metal nitrides were prepared and evaluated for the selective oxidation of alcohols by molecular oxygen. Among them, FeNx/C-T catalysts (T represents the pyrolysis temperature) display above 95% selectivity to the corresponding aldehydes in the selective oxidation of unsaturated alcohols. The optimized FeNx/C-900 catalyst gives the highest TOF of 7.0 h(-1) for the conversion of 5-hydroxymethylfurfural to 2,5-diformylfuran. A combination of characterizations and experiments suggests that Fe-N-4 species are the main active sites. In addition, we investigate the reasons for the catalyst deactivation and provide an effective approach to regenerating the catalysts. The results indicate that the deactivated catalysts can be regenerated by heat treatment under NH3/N-2 after each run. Based on these studies, a plausible reaction mechanism over the FeNx/C catalysts is proposed. (C) 2018 Elsevier Inc. All rights reserved.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
権利情報	© 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/
PISSN	0021-9517
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.jcat.2018.08.004