A Novel Process Concept for the Production of Ethyl Lactate
نویسندگان
چکیده
A dynamic model of a reactive divided wall column is presented so as to analyse a novel process concept for the esterification of lactic acid with ethanol to ethyl lactate. The divided wall column is modelled by composing single packing columns to a Petlyuk-structure using different correlations for fluid dynamics and pressure drop. Besides, a variety of side reactions are considered such as the oligomerisation of lactic acid, and the esterification of their oligomers. Moreover, feasibility studies are carried out in order to show in detail the potential of the proposed process concept, in particular, the reactive dividing-wall column. For this purpose, the influence of different parameters like side draw flow rate and the liquid split are simulated to examine their impact on the ethyl lactate production.
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