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A study of FeNx/C catalysts for the selective oxidation of unsaturated alcohols by molecular oxygen
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| Title: | A study of FeNx/C catalysts for the selective oxidation of unsaturated alcohols by molecular oxygen |
| Authors: | Zhang, Jinping Browse this author | | Nagamatsu, Shinichi Browse this author | | Du, Junmou Browse this author | | Tong, Chaoli Browse this author | | Fang, Huihuang Browse this author | | Deng, Dehui Browse this author | | Liu, Xi Browse this author | | Asakura, Kiyotaka Browse this author →KAKEN DB | | Yuan, Youzhu Browse this author |
| Keywords: | FeNx/C catalysts | | Selective oxidation | | Unsaturated alcohol | | Characterization | | Regeneration |
| Issue Date: | Nov-2018 |
| Publisher: | Elsevier |
| Journal Title: | Journal of catalysis |
| Volume: | 367 |
| Start Page: | 16 |
| End Page: | 26 |
| Publisher DOI: | 10.1016/j.jcat.2018.08.004 |
| Abstract: | 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. |
| Rights: | © 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/ | | https://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/79699 |
| Appears in Collections: | 触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 朝倉 清高
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