Facile and Low-Cost Preparation of Nb/Al Oxide Catalyst with High Performance for the Conversion of Kiwifruit Waste Residue to Levulinic Acid
作者： Rui Wang , Xiaolin Xie , Yanxiu Liu , Zhigang Liu , Guofang Xie
DOI: 10.3390/CATAL5041636
关键词:
摘要: The kiwifruit industry is booming worldwide. As a result, great deal of waste residue (KWR) containing monosaccharides produced and discarded. This material shows potential for the production platform chemicals. In this study, series Nb/Al oxide catalysts were synthesized via facile low-cost coprecipitation method, their structures characterized using: thermal gravimetric analysis (TGA), XRD, FESEM, TEM, X-ray photoelectron spectroscopy (XPS), NH3-TPD, N2 adsorption-desorption, FTIR-Pyridine adsorption. Experimental results sugar-to-levulinic acid (LA) conversion revealed that 20%Nb/Al catalyst provided highest catalytic performance durability in terms LA yield from fructose (74.2%) at 463 K after 10 min glucose (47.5%) 473 15 min. Notably, 20% with 10% dosage capable converting to conclusion, enhanced was obtained due high acidity, large surface areaof catalyst.
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