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      Oxidative esterification of renewable furfural on cobalt dispersed on ordered porous nitrogen-doped carbon†

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      RSC Advances
      The Royal Society of Chemistry

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          Abstract

          A series of highly dispersed cobalt-based catalysts on N-doped ordered porous carbon (Co-NOPC) were synthesized using the sacrificial-template method. MCM-41, ZSM-5 and SBA-15 were employed as hard templates with 2,2′-bipyridine as the ligand. The physical and chemical properties of the Co-NOPC catalyst were characterized by Raman, XRD, SEM, TEM, EDX, ICP, BET, XPS. Co-NOPC had been proven to be a highly efficient catalyst for oxidative esterification of furfural (FUR) to methyl 2-furoate without alkaline additives. Catalytic performance was correlated to the dispersed cobalt, porous structure and specific surface area. The relationship between oxygen activation and the strong interaction of cobalt and pyridine nitrogen were confirmed by XPS. Catalytic performance enhancement mechanisms were correlated with the redistribution of electrons at the interface between carbon material and cobalt atoms through the molecular dynamics method and a reaction mechanism was also proposed. The optimized catalysts showed outstanding catalytic activity and stability and no obvious decrease in activity was found after 6 cycles with 99.6% FUR conversion and 96% methyl 2-furoate selectivity.

          Abstract

          Catalytic oxidative esterification of furfural to methyl 2-furoate with cobalt-dispersed N-doped ordered porous carbon.

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          Biorefineries–Industrial Processes and Products

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            Author and article information

            Journal
            RSC Adv
            RSC Adv
            RA
            RSCACL
            RSC Advances
            The Royal Society of Chemistry
            2046-2069
            15 January 2021
            14 January 2021
            15 January 2021
            : 11
            : 6
            : 3280-3287
            Affiliations
            [a] School of Chemistry and Chemical Engineering, Institute of Clean Chemical Industry, Shandong University of Technology Zibo 255049 P. R. China
            [b] School of Chemical Engineering and Pharmacy, Henan University of Science and Technology Luoyang 471000 P. R. China
            Author information
            https://orcid.org/0000-0003-0161-1228
            Article
            d0ra09945g
            10.1039/d0ra09945g
            8693981
            35424302
            a15a296d-2a13-4fae-b880-732230a90525
            This journal is © The Royal Society of Chemistry
            History
            : 24 November 2020
            : 30 December 2020
            Page count
            Pages: 8
            Funding
            Funded by: National Natural Science Foundation of China, doi 10.13039/501100001809;
            Award ID: 21706149
            Award ID: 21908132
            Categories
            Chemistry
            Custom metadata
            Paginated Article

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