Optimization and kinetic study of methyl laurate synthesis using ionic liquid [Hnmp]HSO₄ as a catalyst.

ABSTRACT: Methyl laurate was synthesized from lauric acid (LA) and methanol via an esterification reaction using ionic liquids (ILs) as catalysts. The efficiencies of three different catalysts, 1-methylimidazole hydrogen sulfate ([Hmim]HSO₄), 1-methyl-2-pyrrolidonium hydrogen sulfate ([Hnmp]HSO₄) and H₂SO₄, were compared. The effect of the methanol/LA molar ratio, reaction temperature, reaction time and catalyst dosage on the esterification rate of LA was investigated by single-factor experiments. Based on the single-factor experiments, the esterification of LA and methanol was optimized using response surface methodology. The results showed that the most effective catalyst was the IL [Hnmp]HSO₄. The optimal conditions were as follows: [Hnmp]HSO

SUBMITTER: Han B 

PROVIDER: S-EPMC6170529 | biostudies-literature | 2018 Sep

REPOSITORIES: biostudies-literature