论文摘要
Novel superacid SO4H-functionalized ionic liquids（SFILs） were designed and prepared in this work. The catalytic activities of SFILs were evaluated in xylan hydrolysis and xylose dehydration to produce furfural. Combined with the results of acid strength of SFILs characterized by solid-state 31P MAS NMR, it was found that the catalytic performance of SFILs was positively correlated to their acid strength. The superacid SFIL [Ch-SO4H][CF3SO3] displayed the best catalytic performance with more than 80% yield of furfural, and it was also obviously superior to usual SO3H-functionalized acidic ILs, mineral liquid acids, and acidic resin Amberlyst-15 catalysts in catalytic activity under optimized conditions. In addition, the superacid SFIL [Ch-SO4H][CF3SO3] could be easily separated from reaction system and reused at least five times without obvious decrease.
论文目录
文章来源
类型: 期刊论文
作者: Wei Hui,Yan Zhou,Yan Dong,Zhi-Jun Cao,Fei-Qiang He,Min-Zhong Cai,Duan-Jian Tao
来源: Green Energy & Environment 2019年01期
年度: 2019
分类: 工程科技Ⅱ辑,工程科技Ⅰ辑
专业: 化学,有机化工
单位: College of Chemistry and Chemical Engineering, Institute of Advanced Materials, Jiangxi Normal University
基金: National Natural Science Foundations of China(Nos.21566011,31570560),the Jiangxi Province Sponsored Programs for Distinguished Young Scholars(No.20162BCB23026),the Science&Technology Programs of Jiangxi Province Department of Education(No.GJJ160272)for financial support
分类号: O643.36;TQ251.11
页码: 49-55
总页数: 7
文件大小: 211K
下载量: 24
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