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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00850
|2 doi
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|a pubmed24n1193.xml
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|a (NLM)37314820
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|a DE-627
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|a eng
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|a Gong, Honghui
|e verfasserin
|4 aut
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|a Cu-Based Catalysts Supported on H3PO4-Activated Coffee Biochar for Selective Reduction of Nitroaromatics
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 27.06.2023
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|a Date Revised 27.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Selective reduction of nitroaromatics to the corresponding aromatic amines is extremely an attractive chemical process for both fundamental research and potential commercial applications. Herewith, we report that a highly dispersed Cu catalyst supported on H3PO4-activated coffee biochar and the resulting Cu/PBCR-600 catalyst show complete conversion of the nitroaromatics and >97.0% selectivity for the corresponding aromatic amines. The TOF of catalyzing the reduction of nitroaromatics (1.55-460.74 min-1) is approximately 2 to 15 times higher than those of previously reported non-noble and even noble metal catalysts. Additionally, Cu/PBCR-600 also shows high stability in catalytic recycles. Furthermore, it exhibits long-term catalytic stability (660 min) for practical application in a continuous-flow reactor. The characterizations and activity tests reveal that Cu0 existing in Cu/PBCR-600 acts as an active site in nitroaromatics reduction. Also, the further characterization by FTIR and UV-vis demonstrates that N, P co-doped coffee biochar could selectively adsorb and activate the nitro group of nitroaromatics
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|a Journal Article
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|a Zhang, Juan
|e verfasserin
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|a Li, Qi
|e verfasserin
|4 aut
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|a Du, Mengmeng
|e verfasserin
|4 aut
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|a Liu, Shuangshuang
|e verfasserin
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|a Jiang, Lijuan
|e verfasserin
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|a Shi, Xian-Lei
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 25 vom: 27. Juni, Seite 8801-8813
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:39
|g year:2023
|g number:25
|g day:27
|g month:06
|g pages:8801-8813
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00850
|3 Volltext
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