4.6 Article

Efficient conversion of biomass derivatives to furfural with a novel carbon-based solid acid catalyst

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CATALYSIS COMMUNICATIONS
卷 175, 期 -, 页码 -

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ELSEVIER
DOI: 10.1016/j.catcom.2023.106608

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Biotransformation; Hemicellulose; Xylose and its derivatives; High value-added chemicals

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A novel carbon-based solid acid catalyst, S-800-CG, was synthesized by carbonizing calcium gluconate at high temperature and sulfonating with 4-diazoniobenzene sulfonate at room temperature. The physical and chemical properties of the catalyst were characterized by various techniques. S-800-CG was found to be an efficient catalyst for furfural production from xylose or corncob.
The novel carbon-based solid acid catalyst (S-800-CG) was synthesized by high-temperature carbonization of calcium gluconate followed by sulfonation with 4-diazoniobenzene sulfonate at room temperature. The catalyst was characterized by TEM, SEM, N2 adsorption-desorption, TGA, FT-IR, and oS to reveal its physical and chemical properties. The S-800-CG was used as a catalyst for converting xylose or corncob into furfural via a one-step process. Furthermore, the effects of calcination temperatures of the carbon support, reaction temperature, residence time, catalyst loading, and substrate concentration were investigated. It was demonstrated that S-800 -CG is an efficient solid acid catalyst for furfural production from xylose in 1,4-dioxane. 85.9% furfural yield can be achieved from 50 mg xylose at 140 degrees C in 40 min by using 100 mg catalyst. Moreover, 52.9% furfural yield was obtained from 200 mg corncob at 190 degrees C in 70 min using 100 mg catalyst.

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