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Esterification of acetic and oleic acids within the Amberlyst 15 packed catalytic column
Yousuf Jamal,Jamshed Ali Khan,Afeeq Shahid,O’Neil Boulanger 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.2
A packed column system was used to study the esterification of acetic and oleic acids by the macro-porous acidic resin, Amberlyst 15. All reactions were at a constant temperature (75 oC) and catalyst mass (3 g). The impact of column flow rate conditions and the molar fatty acid to ethanol feedstock ratio on ester production is reported. The maximum ester production was noted at a flow rate of 0.25mL/min. The maximum observed ester yield for acetic acid (95.2±0.5%) and oleic acid (43.8±1.3%) was observed at an acid:ethanol molar ratio of 1 : 3 and 1 : 1, respectively. The difference in yield indicates the importance of the fatty acid chain length to the reaction.