Abstract
A series of MgO catalysts have been prepared by calcination of (MgCO3)4·Mg(OH)2 and these have been found to be effective for the transesterification of triglycerides with methanol at 200 °C. The calcination temperature controls the surface area, porosity and the surface structure and we observe that the optimal calcination temperature is in the range 550–700 °C as this provides a balance between high surface area, and hence high concentration of active sites, and the pore structure which permits access of the reactants. Using appropriate conditions conversions in excess of 98% could be obtained.
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We thank Johnson Matthey for useful discussions and financial support.
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Xu, C., Enache, D.I., Lloyd, R. et al. Mgo Catalysed Triglyceride Transesterification for Biodiesel Synthesis. Catal Lett 138, 1–7 (2010). https://doi.org/10.1007/s10562-010-0365-5
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DOI: https://doi.org/10.1007/s10562-010-0365-5