Preparation of lactic acid from glucose in ionic liquid solvent system

来源期刊:中南大学学报(英文版)2010年第1期

论文作者:黄嘉若 李文生 周小平

文章页码:45 - 49

Key words:glucose; lactic acid; ionic liquid; solid base; catalysis

Abstract: 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 1H 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.

基金信息:the Key Projects in the National Science and Technology Pillar Program During the 11th Five-year Plan Period
the National Basic Research Program of China

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