Journal
BIORESOURCE TECHNOLOGY
Volume 98, Issue 4, Pages 936-939Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2006.04.003
Keywords
fatty acids methyl esters; heterogeneous catalyst; transesterification; biodiesel; KOH loading; NaX zeolites
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The transesterification of soybean oil with methanol to methyl esters was carried out using NaX zeolites loaded with KOH as a solid base catalyst. Best result was obtained with NaX zeolite loaded with 10% KOH, followed by heating at 393 K for 3 h. When the transesterification reaction was carried out at reflux of methanol (338 K), with a 10:1 molar ratio of methanol to soybean oil, a reaction time of 8 h and a catalyst amount of 3 wt.%, the conversion of soybean oil was 85.6%. (c) 2006 Elsevier Ltd. All rights reserved.
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