Effect of Chain Length of Alcohol on the Lipase-Catalyzed Esterification of Propionic Acid in Supercritical Carbon Dioxide |
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Authors: | Mahesh N Varma Giridhar Madras |
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Institution: | (1) Department of Chemical Engineering, Indian Institute of Science, Bangalore, 560012, India; |
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Abstract: | The esterification of propionic acid was investigated using three different alcohols, namely, isopropyl alcohol, isobutyl
alcohol, and isoamyl alcohol. The variation of conversion with time for the synthesis of isoamyl propionate was investigated
in the presence of five enzymes. Novozym 435 showed the highest activity, and this was used as the enzyme for investigating
the various parameters that influence the esterification reaction. The Ping-Pong Bi-Bi model with inhibition by both acid
and alcohol was used to model the experimental data and determine the kinetics of the esterification reaction. |
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