期刊
ENERGY CONVERSION AND MANAGEMENT
卷 76, 期 -, 页码 980-985出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2013.08.011
关键词
Biodiesel; Sulfonated cation exchange resin; Esterification; Oleic acid; Pseudo-homogeneous model
资金
- Research Excellence Award of Shandong University of Technology
- Zibo Technology Research and Development Program of China [2011GG10101]
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.
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