In situ esterification of rice bran oil with methanol and ethanol |
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Authors: | Sevil Özgül Selma Türkay |
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Affiliation: | (1) Chemical Engineering Department, Maslak, Technical University of Istanbul, 80626 Istanbul, Turkey |
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Abstract: | In situ esterifications of high-acidity rice bran oil with methanol and ethanol and with sulfuric acid as catalyst were investigated.
In the esterification with methanol, all free fatty acids (FFA) dissolved in methanol were interesterified within 15 min,
and it was possible to obtain nearly pure methyl esters. The amount of methyl esters obtained from a given rice bran was dependent
on the FFA content of the rice bran oil. In the esterification with ethanol, it was not possible to obtain pure esters as
in methanol esterification, because the solubilities of oil components in ethanol were much higher than those in methanol. |
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Keywords: | Fatty acid ethyl esters fatty acid methyl esters fatty acids in situ esterification rice bran rice bran oil |
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