Esterification of oleic acid with ethanol catalyzed by sulfonated cation exchange resin: Experimental and kinetic studies

被引：88
作者：
Jiang, Yuwang [1 ]
Lu, Jie [2 ]
Sun, Kaian [1 ]
Ma, Lingling [1 ]
Ding, Jincheng [1 ]
机构：
[1] Shandong Univ Technol, Sch Chem Engn, Zibo 255049, Peoples R China
[2] Shandong Univ Technol, Dept Resources & Environm Engn, Zibo 255049, Peoples R China
来源：
ENERGY CONVERSION AND MANAGEMENT | 2013年 / 76卷
关键词：
Biodiesel; Sulfonated cation exchange resin; Esterification; Oleic acid; Pseudo-homogeneous model; WASTE COOKING OIL; FREE FATTY-ACIDS; CRUDE PALM OIL; BIODIESEL PRODUCTION; SUPERCRITICAL METHANOL; DIFFERENT ALCOHOLS; TRANSESTERIFICATION; OPTIMIZATION; FFA; MEMBRANE;
D O I：
10.1016/j.enconman.2013.08.011
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper investigated the effects of ethanol to oleic acid molar ratio, reaction temperature, catalyst loading, water content and catalyst recycling on sulfonated cation exchange resin in a stirred batch reactor under atmospheric pressure. When the esterification was carried out with an ethanol to oleic acid (42.4 g) molar ratio of 9:1, reflux of ethanol at 82 degrees C, 20 g of catalyst and 8 h of reaction time, the oleic acid conversion rate reached approximately 93%. A pseudo-homogeneous kinetic model for describing the esterification of oleic acid with ethanol by the sulfonated cation exchange resin was developed on the basis of laboratorial results. The kinetic model can well predict the oleic acid conversion. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：980 / 985
页数：6
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