Efficient conversion of glucosamine to levulinic acid in a sulfamic acid-catalyzed hydrothermal reaction

被引:21
|
作者
Kim, Hyo Seon [1 ]
Kim, Sung-Koo [1 ]
Jeong, Gwi-Taek [1 ]
机构
[1] Pukyong Natl Univ, Dept Biotechnol, Busan 48513, South Korea
来源
RSC ADVANCES | 2018年 / 8卷 / 06期
基金
新加坡国家研究基金会;
关键词
GRACILARIA-VERRUCOSA; CHITIN BIOMASS; WATER; SUGARS; HEMICELLULOSES; OPPORTUNITIES; OPTIMIZATION; PRETREATMENT; EXTRACTION; CHALLENGES;
D O I
10.1039/c7ra12980g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Glucosamine is a monomer of chitosan, which is a biopolymer derived from the exoskeletons of crustaceans. This work investigated the conversion of glucosamine into the platform chemical levulinic acid (LA), in a sulfamic acid-catalyzed hydrothermal reaction. The optimized results of LA production showed that the conditions of 200 degrees C, 125 g L-1 glucosamine, 0.3 M sulfamic acid, and 15 min produced a 33.76 +/- 0.19 mol% LA yield. The same conditions produced only 0.14 mol% 5-HMF yield. These results show that glucosamine is a potential bioresource to produce platform chemicals. Also, in the field of biofuels and chemical synthesis processes, the catalytic system using sulfamic acid is significant.
引用
收藏
页码:3198 / 3205
页数:8
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