期刊
INDUSTRIAL CROPS AND PRODUCTS
卷 129, 期 -, 页码 503-511出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.indcrop.2018.12.027
关键词
5-Ethoxymethylfurfural; Corn stover; Co-solvent; Optimization; Zeolite
资金
- Foundation and Frontier Technology Research Project of Henan Province of China [162300410007]
- Program of Processing and Efficient Utilization of Biomass Resources of Henan Center for Outstanding Overseas Scientists [GZS2018004]
An efficient and green conversion process of producing 5-ethoxymethylfurfural (EMF) from corn stover was developed. The solid zeolite USY provided the good catalytic performance in ethanol medium with tetra-hydrofuran (THF) as co-solvent, which can promote the formation of EMF, reducing the formation of ethyl levulinate and 5-hydroxymethylfurfural. The reaction conditions were optimized via response surface methodology leading to a maximum EMF yield of 21.8% in ethanol/THF (volume ratio 1:1) under the conditions of 168 degrees C, 1 wt% USY loading and 2.9 h. Meanwhile, USY can be reused in five consecutive reaction runs with high activity, upholding the same initial activity and structural integrity. A plausible reaction pathway for the conversion of corn stover to EMF in ethanol/THE medium was further proposed. This study showed that the improved catalytic system presents an efficient method for direct production of EMF from lignocellulosic biomass.
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