TY - JOUR AB - The transesterification of soybean oil with methanol to fatty acid methyl ester (FAME) was carried out using WO3/SnO2 solid as a heterogeneous acid catalyst. The effects of catalyst preparation parameters on the conversion to FAME were investigated. This WO3/SnO2 catalyst prepared by an impregnation method, with the WO3 loading amount of 30% and calcined at a temperature of 1173 K, showed the best catalytic activity. The maximum conversion to FAME of 79.2% was achieved after 5 h at 383 K when 30:1 M ratio of methanol to oil and 5 wt.% of catalyst were employed. The ability of the catalyst to esterify free fatty acids (FFAs) in feedstocks and its insensitivity to water exhibited the potential to prepare biodiesel from low-cost feedstocks. The solid catalyst can be reused for four runs without significant deactivation. (C) 2012 Elsevier B.V. All rights reserved. AD - Henan Univ Technol, Sch Chem & Chem Engn, Zhengzhou 450001, Peoples R China AN - WOS:000316425500021 AU - Xie, W. L. AU - Wang, T. DA - May DO - 10.1016/j.fuproc.2012.09.053 J2 - Fuel Process Technol KW - heterogeneous acid catalyst LA - English N1 - 110en PY - 2013 SN - 0378-3820 SP - 150-155 ST - Biodiesel production from soybean oil transesterification using tin oxide-supported WO3 catalysts T2 - Fuel Processing Technology TI - Biodiesel production from soybean oil transesterification using tin oxide-supported WO3 catalysts UR - ://WOS:000316425500021 VL - 109 ID - 9471 ER -