Journal
CATALYSIS COMMUNICATIONS
Volume 5, Issue 12, Pages 721-723Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2004.09.001
Keywords
biodiesel; soybean oil; trans-esterification; solid acid; superacid; tungstated zirconia
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Solid superacid catalysts of sulfated tin and zirconium oxides and tungstated zirconia are prepared and evaluated in the transesterification of soybean oil with methanol at 200-300 degreesC and the esterification of n-octanoic acid with methanol at 175-200 degreesC. Tungstated zirconia-alumina is a promising solid acid catalyst for the production of biodiesel fuels from soybean oil because of its high performance in the conversions over 90% for both of the esterifications. (C) 2004 Elsevier B.V. All rights reserved.
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