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- W2800346716 abstract "A process to deacidify crude plant oil by the esterification of free fatty acid with methanol was studied. A reaction model in a heterogeneous system was developed, and the equilibrium and rate constants of the esterification reaction were measured experimentally using a standard type of stirred vessel. In this measurement range, the liquid-liquid dispersion in the stirred bessel was oil-in-water type. The equilibrium constant of esterification was relatively small, confirming high methanol concentration should be required to attain high conversion of free fatty acid. An esterification process was then suggested wherein a countercurrent reactor system was employed, and deacidification to treat model crude plant oils was simulated numerically. In the cases of reaction equilibrium conditions, the molar flow rate ratio of methanol relative to the feed oil required to satisfy the specification of free fatty acid in the treated feed oil decreased as the total stage number increased. The molar flow rate ratio was reduced from 7.5 with single stage reactor to 1.1 with two-stage reactor. Then, the two-stage countercurrent reactor was effective enough for decreasing the molar flow rate ratio to meet the specification. Simulating the treatment of model crud Jatropha oil by esterification using stirred vessel considering the effects of reaction rates showed that the suggested process could sufficiently reduce the content of free fatty acid with reasonable methanol flow rate and reactor volume." @default.
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- W2800346716 date "2018-04-01" @default.
- W2800346716 modified "2023-09-27" @default.
- W2800346716 title "Deacidification process of crude inedible plant oil by esterification for biodiesel production" @default.
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- W2800346716 doi "https://doi.org/10.1016/j.jece.2018.04.039" @default.
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