期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 165, 期 -, 页码 1129-1138出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.09.258
关键词
Kappa-carrageenan; Heterogeneous catalyst; Glucose; 5-Hydroxymethylfurfural
资金
- Isfahan University of Technology (IUT)
A novel composite based on kappa-Carrageenan (kappa C) was prepared using N,N-methylene bisacrylamide (MBA) as the crosslinking agent. 5-Hydroxymethylfurfural (5-HMF) was produced by catalytic dehydration of fructose and glucose with MBA grafted kappa C (kappa C-g-MBA) as the solid acid catalyst due to sulfonic acid groups in biopolymer skeletons. Various reaction parameters such as optimization of the quantity of the catalyst, temperature, reaction time, and solvent were performed. It was established that for fructose dehydration, the best reaction conditions were the 160 degrees C as the optimized reaction temperature and 1 h reaction time, respectively. Under these conditions, the HMF yield and fructose conversion were 94.2% and 95.5%, respectively. Furthermore, 160 degrees C and 2 h were the best reaction temperature and reaction time for glucose dehydration, respectively. Under similar conditions, the HMF yield and glucose conversion are 47% and 93%, respectively. The catalyst was readily prepared from inexpensive materials with considerable reusability and reactivity. (C) 2020 Elsevier B.V. All rights reserved.
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