Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13509
Title: Mesoporous solid acid catalysts of 12-tungstosilicic acid anchored to SBA-15 : characterization and catalytic properties for esterification of oleic acid with methanol
Authors: Chen, Y
Cao, Y
Suo, Y
Zheng, GP 
Guan, XX
Zheng, XC
Keywords: Biodiesel
Esterification
Heterogeneous catalysts
HSiW/SBA-15
Mesoporous solid acid
Oleic acid
Issue Date: 2015
Publisher: Taiwan Institute of Chemical Engineers
Source: Journal of the Taiwan Institute of Chemical Engineers, 2015 How to cite?
Journal: Journal of the Taiwan Institute of Chemical Engineers 
Abstract: 12-tungstosilicic acid (HSiW) anchored to mesoporous molecular sieves SBA-15 was prepared and characterized for esterification of oleic acid with methanol. The influences of various HSiW loadings on their physicochemical properties were comparatively studied. The results showed that the as-prepared HSiW/SBA-15 retained the hexagonal mesoporous structure and the Keggin characteristic, although the textural parameters decreased with increasing loading of HSiW. The catalytic results showed that the environmentally benign mesoporous solid acid catalysts were efficient in the esterification of oleic acid for the synthesis of biodiesel. The catalyst with 30 wt.% HSiW loading exhibited the best activity under the reaction conditions.
URI: http://hdl.handle.net/10397/13509
ISSN: 1876-1070
DOI: 10.1016/j.jtice.2015.01.008
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