MCM-41 Immobilized Acidic Functional Ionic Liquid and Chro mium(Ⅲ) Complexes Catalyzed Conversion of Hexose into 5-Hydroxymethylfurfural
MCM-41 Immobilized Acidic Functional Ionic Liquid and Chro mium(Ⅲ) Complexes Catalyzed Conversion of Hexose into 5-Hydroxymethylfurfural作者机构:School of Chemical and Material Engineering Jiangnan University Wuxi Jiangsu 214122 China State Key Laboratory of Food Science & Technology Wuxi Jiangsu 214122 China
出 版 物:《Chinese Journal of Chemistry》 (中国化学(英文版))
年 卷 期:2017年第35卷第11期
页 面:1739-1748页
核心收录:
主 题:glucose chromium(III) schiffbase complex acidic ionic liquid MCM-41 5-hydroxymethylfurfural
摘 要:The development of novel methods to obtain biofuels and chemicals from biomass has been an immediate issue in both academic and industrial communities. In this work, a series of novel catalysts were prepared and character- ized by FT-IR, TGA, XRD, SEM, TEM, ICP-AES, NH3-TPD and BET, which were applied for the conversion of hexose to 5-hydroxymethylfurfural (HMF). The Cr(Salten)-MCM-41-[(CH2)3SO3HVIm]HSO4 catalyst was the most active catalyst, and a glucose conversion of 99.8% with 50.2% HMF yield was obtained at 140 ℃ for 4 h in dimethyl sulfoxide (DMSO). The effects of reaction temperature, reaction time, solvents and catalyst dosages were investigated in detail. MCM-41 immobilized acidic functional ionic liquid and chromium(III) Schiff base complex- es as heterogeneous catalysts can be easily recovered by simple filter treatment, exhibiting excellent stability and activity towards hexose conversion. Thus the heterogeneous catalysts were environment-friendly for transforming biomass carbohydrates into fine chemicals.