期刊
BIORESOURCE TECHNOLOGY
卷 241, 期 -, 页码 720-725出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.05.210
关键词
Biodiesel; Continuous process; Methyl acetate; Supercritical fluids
In this study, biodiesel production by using supercritical methyl acetate in a continuous flow reactor was investigated for the first time. The aim of this study was to elucidate the reaction kinetics of biodiesel production by using supercritical methyl. Experiments were conducted at various reaction temperatures (300-400 degrees C), residence times (5-30 min), oil-to-methyl acetate molar ratio of 1: 40, and a fixed pressure of 20 MPa. Reaction kinetics of biodiesel production with supercritical methyl acetate was determined. Finally, biodiesel yield obtained from this method was compared to that obtained with supercritical methanol, ethanol, and MTBE (methyl tertiary-butyl ether). The results showed that biodiesel yield with supercritical methyl acetate increased with temperature and time. The developed kinetic model was found to fit the experimental data well. The reactivity of supercritical methyl acetate was the lowest, followed by that of supercritical MTBE, ethanol, and methanol, under the same conditions. (C) 2017 Published by Elsevier Ltd.
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