Journal
GREEN CHEMISTRY
Volume 20, Issue 5, Pages 1095-1105Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7gc03072j
Keywords
-
Funding
- NSFC [21732006, 21572212]
- MOST [2017YFA0303502]
- CAS [YZ201563]
- FRFCU
- PCSIRT
Ask authors/readers for more resources
Conversion of platform molecule 5-hydroxymethylfurfural (HMF) into high-value-added derivatives has attracted significant interest. In this paper, a metallic cobalt catalyst was prepared by the simple reduction of commercially available Co3O4, and used to catalyze the reductive etherification of HMF to 2,5-bis (methoxymethyl)furan (BMMF) under mild conditions. A yield of 93% 2,5-bis(hydroxymethyl) furan (BHMF) was obtained (90 degrees C, 2 MPa H-2, 1 h) and 98.5% yield of BMMF was achieved (140 degrees C, 2 MPa H-2, 1 h) by using a Co-400 catalyst. The catalysts were characterized by X-ray photoelectron spectroscopy (XPS), powder X-ray diffraction (XRD), ammonia-temperature-programmed-desorption (NH3-TPD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and inductively coupled plasma atomic emission spectroscopy (ICP-AES). It was found that the Co-0 and Co2+/(3+) species coexist on the surface of the catalyst and the catalyst became more porous and rougher after reduction at high temperature. This may be more beneficial for enhancing the selectivity of the etherification product and the mass transfer of reaction species. A possible reaction mechanism was proposed based on GC and H-1-NMR analyses. The cobalt catalyst was reused five times with a slight decrease in activity.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available