Journal
JOURNAL OF POROUS MATERIALS
Volume 27, Issue 4, Pages 1003-1012Publisher
SPRINGER
DOI: 10.1007/s10934-020-00872-6
Keywords
Heteroatom-doped ordered mesoporous carbons; Ru catalyst; Aerobic oxidation; 5-Hydroxymethylfurfural; 2; 5-Diformylfuran
Funding
- National Natural Science Foundation of China [21576161, 21703133]
- Natural Science Basic Research Plan in Shaanxi Province [2019JQ-482]
- China Postdoctoral Science Foundation [2017M623107]
- Fundamental Research Funds for the Central Universities [GK201706011, GK201801010, GK201803080]
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Heteroatom (N, B or P)-doped ordered mesoporous carbons (OMCs) supported Ru catalysts was utilized in the aerobic oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF). The characterization data showed that the heteroatom-doping of OMC promoted the dispersion of Ru nanoparticles on catalysts, which further improved their catalytic activities for the selective aerobic oxidation of HMF into DFF. Among the three kinds of heteroatom-doped Ru catalysts, the P-doped one displayed the best activity for the selective aerobic oxidation of HMF into DFF. From Ru/OMC-P0.56, 100% of HMF conversion, 88% of DFF yield with a high activity of 68.7 h(-1) were achieved at 90 degrees C for 4 h under 2 MPa O-2 in toluene. Partial inactivation of catalyst was observed in the recycling runs, which might be attributed to the deposition of humins on catalyst and the agglomeration of Ru particles.
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