Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 58, Issue -, Pages 226-234Publisher
ELSEVIER
DOI: 10.1016/j.jtice.2015.07.009
Keywords
Transesterification; Heterogeneous catalyst; Waste cooking oil; Methyl ester
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Funding
- Deanship of Scientific Research at King Saud University, Riyadh, Saud Arabia [IRG 14-16]
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The transesterification of waste cooking palm oil (WCPO) and palm oil (PO) with methanol to fatty acid methyl ester (FAME) was studied using CsM-SiO2 as a heterogeneous catalyst. The catalyst was prepared by an impregnation method with 10%-30% CsO2 loaded onto silica. The catalyst with 25% loading achieved the highest FAME content. The effects of catalyst on transesterification reaction parameters to FAME content were investigated. The FAME content reached 90% at 65 degrees C in 3 h with 3 wt.% catalyst loading and 20:1 molar ratio of methanol to oil for WCPO transesterification and 89% with 2 wt.% catalysts loading for PO transesterification, respectively. The solid catalyst can be reused for four batch cycles without significant deactivation. Also, the catalyst exhibited good tolerance toward 1 wt. % water content in WCPO feedstock, without significant changes in the FAME content. (C) 2015 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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