Abstract
AbstractThe kinetics of methanolysis of sunflower oil with KOH as catalyst was investigated. The content of triglycerides, the resulting methyl esters as well as diglycerides and monoglycerides was analyzed at different times at molar ratios of methanol: sunflower oil = 3:1 and 3.3:1. At a molar ratio of 3:1 the kinetic order appears to be second order in the first minutes, but then the reaction rate decreases rapidly due to the formation of glycerine as a second phase, which leads to a loss of methanol and catalyst. The effect of temperature, amount of catalyst and type of vegetable oil on formation of methyl esters was examined.
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