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Dynamic Model of Batch Enzymatic Reactive Distillation for the Production of R-2-Pentyl Butyrate

A dynamic model of batch enzymatic reactive distillation was developed based on equilibrium stage approach. Phenomena within the evaporator, column and condenser were modeled for non-steady state operation of the process. A detailed approach to reaction kinetics, including equilibrium limitations, over-time deactivation of the catalyst in different temperatures, diffusional limitations in catalytically active xerogel coating, and temperature influence on the catalyst was undertaken for ethyl butyrate transesterification with R-2-pentanol with the use of Candida Antarctica lipase B as the catalyst. The model was validated with experimental data and served as simulation tool for sensitivity analysis.