Zn/I2 was found to be a practical and effective catalyst for the transesterification of soybean oil with methanol. A study for optimizing the reaction conditions such as the molar ratio of methanol to oil, the reaction time and the catalyst amount, was performed. The highest conversion of 96% was obtained under the optimum conditions. Further, the effect of free fatty acids and water in the soybean oil on the catalytic activity of the catalysts was also investigated.
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Li, H., Xie, W. Transesterification of Soybean Oil to Biodiesel with Zn/I2 Catalyst. Catal Lett 107, 25–30 (2006). https://doi.org/10.1007/s10562-005-9727-9
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DOI: https://doi.org/10.1007/s10562-005-9727-9