1. W x C-β-SiC Nanocomposite Catalysts Used in Aqueous Phase Hydrogenation of Furfural.
- Author
-
Rogowski J, Andrzejczuk M, Berlowska J, Binczarski M, Kregiel D, Kubiak A, Modelska M, Szubiakiewicz E, Stanishevsky A, Tomaszewska J, and Witonska IA
- Subjects
- Carbon, Catalysis, Hydrogenation, Nanocomposites ultrastructure, Silicon Dioxide, Spectroscopy, Fourier Transform Infrared, Water, X-Ray Diffraction, Furans chemistry, Nanocomposites chemistry
- Abstract
This study investigates the effects of the addition of tungsten on the structure, phase composition, textural properties and activities of β-SiC-based catalysts in the aqueous phase hydrogenation of furfural. Carbothermal reduction of SiO₂ in the presence of WO₃ at 1550 °C in argon resulted in the formation of W
x C-β-SiC nanocomposite powders with significant variations in particle morphology and content of Wx C-tipped β-SiC nano-whiskers, as revealed by TEM and SEM-EDS. The specific surface area (SSA) of the nanocomposite strongly depended on the amount of tungsten and had a notable impact on its catalytic properties for the production of furfuryl alcohol (FA) and tetrahydrofurfuryl alcohol (THFA). Nanocomposite Wx C-β-SiC catalysts with 10 wt % W in the starting mixture had the highest SSA and the smallest Wx C crystallites. Some 10 wt % W nanocomposite catalysts demonstrated up to 90% yield of THFA, in particular in the reduction of furfural derived from biomass, although the reproducible performance of such catalysts has yet to be achieved.- Published
- 2017
- Full Text
- View/download PDF