Journal
CHEMICAL ENGINEERING & TECHNOLOGY
Volume 44, Issue 12, Pages 2365-2373Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ceat.202100216
Keywords
Batch reactive distillation; Column wall heating; Esterification; Simulation; Total reflux
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The experimental study evaluated the start-up dynamics and steady-state characteristics of a solid catalyzed esterification reaction in a batch reactive distillation apparatus. The use of a heating jacket on the column resulted in the highest distillate purity. Modeling approach and simulation code were developed to validate the experimental results and distillate composition under different heat input rates.
A solid catalyzed esterification reaction in a batch reactive distillation (BRD) apparatus was carried out to evaluate the start-up dynamics and steady-state characteristics. As a novelty, the column was provided with a heating jacket. A wall heating of 50 degrees C of the column gave the highest purity of distillate for this system of producing methyl acetate from a catalytic reaction between acetic acid and methanol. Experiments were performed with constant heat supply rate to the reboiler. Temperature and concentration dynamics as well as purity of the top distillate were recorded. A modeling approach was developed to validate the experimental results. A simulation code for energy and material balance under reaction and distillation conditions was developed and the experimental distillate composition of the top product was validated with simulation results for various heat input rates.
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