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Study of a Continuous Process of Glycerolysis of Rapeseed Oil with the Solid Base Catalysts

Volodymyr Brei, Galyna Starukh, Svitlana Levytska and Dmytro Shistka
Institute for Sorption and Problems of Endoecology of the National Academy of Sciences of Ukraine, 13, General Naumov str., 03164 Kyiv, Ukraine;
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Glycerolysis of rapeseed oil over several solid bases using fixed bed flow reactor has been studied. It was found that Mg-Al hydrotalcite and Al2O3supported CaO–ZnO demonstrate high activity in this reaction. The yield of monoglycerides reaches 70 % with 96 % oil conversion at 513 K. It was shown that pores size of a catalyst is an important factor of intensification of the glycerolysis process. It was found that turpentine additive decreases the reaction temperature due to higher solubility of glycerol in oil.

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