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Amine-functionalized MCM-41 were prepared for use as basic heterogeneous catalysts in trasesterification of soybean oil to produce biodiesel. The fuctionalization was obtained by reacting the silanol groups of the MCM-41 material with 3-amino-propyl-triethoxy-silane, or in two steps by firstly reacting the MCM-41 with 3-chloro-propyl-triethoxy-silane and then, undergoing nucleophilic substitution...
Values of thermal expansion coefficients (b) were experimentally determined for three samples: a mineral diesel and two biodiesels constituted by either fatty acid ethyl esters (FAEE) or fatty acid methyl esters (FAME), from transesterification reactions using raw corn oil and ethyl or methyl alcohol. Values of b were found to be 8.36(±0.06)10 −4 °C −1 , 8.43(±0.09)×10 −4 °C...
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