Transesterification of soybean oil with menthanol and acetic acid at lower reaction severity under subcritical conditions

Go, Alchris Woo, Sutanto, Sylviana, NguyenThi, Bich Thuyen, Cabatingan, Luis K., Ismadji, Suryadi and Ju, Yi-Hsu (2014) Transesterification of soybean oil with menthanol and acetic acid at lower reaction severity under subcritical conditions. Energy Conversion and Management, 88. pp. 1159-1166. ISSN 0196-8904

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Abstract

Soybean oil (56–80 g) was reacted with methanol (40–106 mL) to produce fatty acid methyl ester in the presence of 1–6% acetic acid under subcritical condition at 250 _C. Stirring and loading of the reaction system affected the yield and severity of the process. The presence of acetic acid improved the yield of FAME from 32.1% to 89.5% at a methanol to oil molar ratio of 20 mL/g. Acetic acid was found to act strongly as an acid catalyst and to some extent improved the solubility between oil and methanol. Reaction pressure higher than the supercritical pressure of methanol (7.85 MPa) was not required to achieve high FAME yield (89.5–94.8%) in short time (30–60 min).

Item Type: Article
Uncontrolled Keywords: Biodiesel Soybean oil Subcritical methanol Subcritical acetic acid trans)Esterification
Subjects: Engineering > Chemical Engineering
Divisions: Faculty of Engineering > Chemical Engineering Study Program
Depositing User: Suryadi. Ismadji
Date Deposited: 24 May 2017 05:58
Last Modified: 19 Jul 2018 08:27
URI: https://repository.ukwms.ac.id/id/eprint/10781

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