CAS OpenIR
Highly dispersed Ru anchored on nanosheet N-doped carbon for efficient and chemoselective hydrogenation of nitroaromatics to aromatic amines under mild conditions
Yang, Huanhuan1,2,3; Wang, Liguo1,2,3,5; Xu, Shuang1; Hui, Xiang1,2,3; Cao, Yan1; He, Peng1; Li, Yang1; Li, Huiquan1,2,3,4
2022-03-01
Source PublicationCHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
Volume431Pages:14
AbstractAn efficient catalyst for chemoselective hydrogenation of nitroaromatics to produce aromatic amines under mild conditions is highly desirable. In this work, a series of N-doped carbon (NC-x) with high nitrogen contents were firstly synthesized by pyrolysis of 1-butyl-3-vinylimidazolium bromide-co-acrylonitrile with a template of g-C3N4. Furthermore, Ru/NC-x catalysts were successfully prepared by ultrasonic-assisted impregnation method. The catalysts were characterized by various methods in detail, e.g.X-ray diffraction, N-2 physical adsorption-desorption, Transmission electron microscopy, Raman spectra, Scanning electron microscopy and H-2 temperature programmed reduction. Characterization results revealed that N-doping on carbon contributed to the high dispersion of Ru nanoparticles and resulted in the forming of the electron-deficient of Ru species. Nanosheet Ru/NC-2 with high N-doping content of 28 wt% exhibited superior performance under room temperature, i.e., nitrobenzene conversion > 99.0% and aniline selectivity 98.4%. Kinetic study indicated that the hydrogenation of nitrobenzene over Ru/NC-2 was the first-order kinetics with an intrinsic activation energy of 43.7 kJ/mol. Density functional theory calculation results suggested that Ru-N-x species, especially, Ru-pyrrolic-N facilitated nitrobenzene adsorption and H-2 dissociation, resulting in enhanced catalytic performance. In addition, the excellent stability of Ru/NC-2 made it essentially reserved for 410 h in the fixed-bed reactor. Moreover, Ru/NC-2 exhibited superior performance for the hydrogenation of various nitroaromatics to corresponding aromatic amines. This work could provide meaningful guidance on designing effective and stable catalyst for chemo-selective hydrogenation of nitroaromatics to aromatic amines under mild conditions.
KeywordNanosheet N -doped carbon Nitroaromatics Aromatic amines Ru-N-x species Mild hydrogenation Stable
DOI10.1016/j.cej.2021.133863
Language英语
WOS KeywordLIQUID-PHASE HYDROGENATION ; SELECTIVE HYDROGENATION ; CATALYTIC-ACTIVITY ; METAL-CATALYSTS ; NANOPARTICLES ; REDUCTION ; OXIDATION ; GRAPHENE ; NITROBENZENE ; ACTIVATION
Funding ProjectNational Natural Science Foundation of China[21576272] ; Chinese Academy of Sciences[XDA 21030600] ; Science and Technology Service Network Initiative, Chinese Academy of Sciences[KFJ-STS-QYZD-138]
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; Science and Technology Service Network Initiative, Chinese Academy of Sciences
WOS IDWOS:000772843500002
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/52556
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Liguo; Li, Huiquan
Affiliation1.Chinese Acad Sci, Natl Engn Res Ctr Green Recycling Strateg Met Res, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100049, Peoples R China
3.Univ Chinese Acad Sci, Sino Danish Ctr Educ & Res, Beijing 100049, Peoples R China
4.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
5.Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yang, Huanhuan,Wang, Liguo,Xu, Shuang,et al. Highly dispersed Ru anchored on nanosheet N-doped carbon for efficient and chemoselective hydrogenation of nitroaromatics to aromatic amines under mild conditions[J]. CHEMICAL ENGINEERING JOURNAL,2022,431:14.
APA Yang, Huanhuan.,Wang, Liguo.,Xu, Shuang.,Hui, Xiang.,Cao, Yan.,...&Li, Huiquan.(2022).Highly dispersed Ru anchored on nanosheet N-doped carbon for efficient and chemoselective hydrogenation of nitroaromatics to aromatic amines under mild conditions.CHEMICAL ENGINEERING JOURNAL,431,14.
MLA Yang, Huanhuan,et al."Highly dispersed Ru anchored on nanosheet N-doped carbon for efficient and chemoselective hydrogenation of nitroaromatics to aromatic amines under mild conditions".CHEMICAL ENGINEERING JOURNAL 431(2022):14.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Yang, Huanhuan]'s Articles
[Wang, Liguo]'s Articles
[Xu, Shuang]'s Articles
Baidu academic
Similar articles in Baidu academic
[Yang, Huanhuan]'s Articles
[Wang, Liguo]'s Articles
[Xu, Shuang]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Yang, Huanhuan]'s Articles
[Wang, Liguo]'s Articles
[Xu, Shuang]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.