Preparation of lactic acid from glucose in ionic liquid solvent system

被引：6
|
作者：
Huang Jia-ruo [1 ]
Li Wen-sheng [1 ]
Zhou Xiao-ping [1 ]
机构：
[1] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China
来源：
JOURNAL OF CENTRAL SOUTH UNIVERSITY OF TECHNOLOGY | 2010年 / 17卷 / 01期
关键词：
glucose; lactic acid; ionic liquid; solid base; catalysis; SUBCRITICAL WATER; CHEMICAL-PROCESS; CONVERSION; BIOMASS;
D O I：
10.1007/s11771-010-0009-3
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A new reaction system was designed to economically convert glucose to lactic acid environment-friendly. Hydrophobic ionic liquids were chosen as solvent that can promote the decomposition reaction of glucose, and the catalytic performance of the solid bases was evaluated. Both the reaction temperature and time can affect the yield of lactic acid. A high yield (97%) of lactic acid was achieved under the optimal reaction condition. The H-1 NMR spectra and HPLC-MS were used to identify the formation of the lactic acid and variations of ionic liquid. It is found that ionic-liquids have a unique solvent effect for glucose and bases. Water can be used as solvent to extract calcium lactate. This shows a great potential of hydrophobic ionic liquids in the solid bases catalyzed reaction that is limited by the weak solubility of solid bases in organic and water solution.
引用
收藏
页码：45 / 49
页数：5
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