Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/44013
Title: Heterogeneous alkaline earth metal-transition metal bimetallic catalysts for synthesis of biodiesel from low grade unrefined feedstock
Authors: Kwong, TL
Yung, KF 
Issue Date: 2015
Publisher: Royal Society of Chemistry
Source: RSC advances, 2015, v. 5, no. 102, p. 83748-83756 How to cite?
Journal: RSC advances 
Abstract: A bimetallic alkaline earth metal-transition metal oxide, synthesized through a method of direct low-temperature decomposition of the bimetallic complex, is reported for the synthesis of biodiesel. Due to the high phase purity of the Ca/Fe catalytic system and its catalytic stability and robustness, the Ca/Fe catalyst was selected for further investigation. A transesterification conversion of 99.5% could be achieved in 1 h under the optimal conditions: feedstock to methanol, 1:20; catalyst loading, 6 wt%; temperature, 120 °C. ANOVA tests suggested that the reaction temperature was discerned as the most prominent factor which contributed 82.84% to the overall catalytic feedstock conversion. In addition, the Ca/Fe catalytic system demonstrated a high FFA tolerance of 2 wt% and a water tolerance of 1 wt% with remarkable catalytic activity in one-step biodiesel synthesis.
URI: http://hdl.handle.net/10397/44013
EISSN: 2046-2069
DOI: 10.1039/c5ra13819a
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