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Fe-Zr-O catalyzed base-free aerobic oxidation of 5-HMF to 2,5-FDCA as a bio-based polyester monomer
Yan, Dongxia1,2,3; Xin, Jiayu2; Zhao, Qiu2; Gao, Kai2,3; Lu, Xingmei2,3; Wang, Gongying1; Zhang, Suojiang2

An environment-friendly and economical route for 5-hydroxymethylfurfural (HMF) aerobic oxidation to 2,5-furandicarboxylic acid (FDCA) in an ionic liquid (IL)-promoted base-free reaction system was reported using Fe-Zr-O as a catalyst. A series of FexZr1-xO2 catalysts were synthesized by a hydrothermal method and the catalytic performance was investigated. Among these catalysts, Fe0.6Zr0.4O2 exhibited excellent catalytic activity in the HMF oxidation. A 60.6% FDCA yield and 99.9% HMF conversion could be obtained after 24 h under 2 MPa O-2 pressure and base-free conditions. The good performance could be attributed to the large amount of acidic and basic sites on the surface of the catalyst and its high reducibility and oxygen mobility. In addition, the formation of humins and the reaction pathways in the ILs were also investigated, which revealed parallel reactions between FDCA and humin formation. A plausible reaction mechanism was proposed based on the results of a series of designed experiments. Finally, the catalyst was used five times without obvious loss of activity. To the best of our knowledge, this is the best result for a non-noble metal catalyzed base-free oxidation of HMF to FDCA using molecular oxygen as an oxidant.

WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS KeywordCo Preferential Oxidation ; Mixed-oxide Catalysts ; 2,5-furandicarboxylic Acid ; Water Oxidation ; Selective Oxidation ; Gold Nanoparticles ; Mild Conditions ; Free Conversion ; Lattice Oxygen ; Ionic Liquids
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationNational Basic Research Program of China (973 Program)(2015CB251401) ; National Natural Science Foundation of China(21576269 ; 91434203 ; 21210006 ; 21506231)
WOS IDWOS:000419051200010
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWang, Gongying; Zhang, Suojiang
Affiliation1.Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Sichuan, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Key Lab Green Proc Engn, State Key Lab Multiphase Complex Syst,Inst Proc E, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Yan, Dongxia,Xin, Jiayu,Zhao, Qiu,et al. Fe-Zr-O catalyzed base-free aerobic oxidation of 5-HMF to 2,5-FDCA as a bio-based polyester monomer[J]. CATALYSIS SCIENCE & TECHNOLOGY,2018,8(1):164-175.
APA Yan, Dongxia.,Xin, Jiayu.,Zhao, Qiu.,Gao, Kai.,Lu, Xingmei.,...&Zhang, Suojiang.(2018).Fe-Zr-O catalyzed base-free aerobic oxidation of 5-HMF to 2,5-FDCA as a bio-based polyester monomer.CATALYSIS SCIENCE & TECHNOLOGY,8(1),164-175.
MLA Yan, Dongxia,et al."Fe-Zr-O catalyzed base-free aerobic oxidation of 5-HMF to 2,5-FDCA as a bio-based polyester monomer".CATALYSIS SCIENCE & TECHNOLOGY 8.1(2018):164-175.
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