JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2010, Vol. 40 ›› Issue (3): 154-158.

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Simulation and optimization on ethyl acetate producing batch reactive distillation

FENG Zhen-heng, ZHANG Zhong-cheng   

  1. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250061, China
  • Received:2010-01-08 Online:2010-06-16 Published:2010-01-08

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Abstract:

To get the optimum technological condition of the preparation of ethyl acetate from acetic acid and ethanol, based on  experimental data, the experiment was simulated and optimized by using Aspen Plus, a simulation software of chemical technology using the NRTL activity coefficient model and the HaydenO′Connell equation of the gas state.The parameters of the reflux ratio, heating temperature and the feed molar ratio of ethanol to acetic acid were optimized. Under these optimized conditions,the reflux ratio was 5.1, the heating temperature was 120℃,  and the feed molar ratio of ethanol to acetic acid was 1.04∶1.00. Simulated with Aspen Plus, the mass fraction of ethyl acetate in distillate reached 82.13％. Based on these optimized conditions, the improvement on the experimental conditions, the mass fraction of ethyl acetate in the distillate  increased from   79.45％ to 81.95％,  which proved the reliability of the simulation and optimization.
 

Key words: ethyl acetate, batch reactive distillation, simulation, optimization

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