Lactic acid production from glucose over activated hydrotalcites as solid base catalysts in water

被引：73
|
作者：
Onda, Ayumu [1 ]
Ochi, Takafumi [1 ]
Kajiyoshi, Koji [1 ]
Yanagisawa, Kazumichi [1 ]
机构：
[1] Kochi Univ, Fac Sci, Res Lab Hydrothermal Chem, Kochi 7808073, Japan
来源：
CATALYSIS COMMUNICATIONS | 2008年 / 9卷 / 06期
关键词：
hydrotalcite; bronsted-base sites; lactic acid; glucose;
D O I：
10.1016/j.catcom.2007.10.005
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The catalytic production of lactic acid from biomass derivatives over solid base catalysts was studied for future sustainable societies. The activated hydrotalcites catalyzed the lactic acid production from D-glucose in flow reactors at 323 K under water media. The number of accessible Bronsted-base sites of hydrotalcite (Mg/Al = 2) activated at 723 K as determined by the ion-exchange method with sodium salts, based on the OH/Al ratio, was about 39% which was much higher than that of the hydrotalcite activated at 573 K. The catalytic activity for the lactic acid production showed a linear increase with the number of the Bronsted-base sites. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1050 / 1053
页数：4
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