Esterification of oleic acid in a three-phase, fixed-bed reactor packed with a cation exchange resin catalyst

被引:47
作者
Son, Sung Mo [1 ]
Kimura, Hiroko [1 ]
Kusakabe, Katsuki [1 ]
机构
[1] Fukuoka Womens Univ, Dept Living Environm Sci, Higashi Ku, Fukuoka 8138529, Japan
关键词
Biodiesel; Free fatty acid; Sunflower oil; Amberlyst-15; Esterification; BIODIESEL PRODUCTION; OIL;
D O I
10.1016/j.biortech.2010.08.089
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Esterification of oleic acid was performed in a three-phase fixed-bed reactor with a cation exchange resin catalyst (Amberlyst-15) at high temperature, which was varied from 80 to 120 degrees C. The fatty acid methyl ester (FAME) yields in the fixed-bed reactor were increased with increases in the reaction temperature, methanol flow rate and bed height. Moreover, the FAME yields were higher than those obtained using a batch reactor due to an equilibrium shift toward the product that resulted from continuous evaporation of the produced water. In addition, there was no catalyst deactivation during the esterification of oleic acid. However, addition of sunflower oil to the oleic acid reduced the FAME yield obtained from simultaneous esterification and transesterification. The FAME yield was 97.5% at a reaction temperature of 100 degrees C in the fixed-bed with a height of 5 cm when the methanol and oleic acid feed rates were 8.6 and 9.0 mL/h, respectively. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2130 / 2132
页数:3
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