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Microwave-assisted continuous reactive distillation process for preparation of ethyl acetate

机译：微波辅助连续反应蒸馏法制备乙酸乙酯

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As a novel process intensification technology, microwave-assisted continuous reaction distillation (MRD) was proposed for the esterification reaction and separation of ethyl acetate (EtOAc). The effects of reflux ratio, mole ratio of acetic acid (HOAc) to ethanol (EtOH), reboiler duty, microwave power on EtOH conversions, EtOAc purity and mass ratio of distillate to feed (D/F) were explored. In comparison with conventional heating, the experimental results revealed that the EtOAc purity in the distillate under microwave conditions (MC) was improved. Computer simulations for conventional and MRD systems were performed using the Aspen Plus non-equilibrium stage model to substantiate the experimental results. The model predictions are in good agreement with the experimental data, revealing the accuracy and reliability of the non-equilibrium model. This new MRD process can be an effective and productive method of ester production. (C) 2016 Institute of Chemistry, Slovak Academy of Sciences
机译：作为一种新的工艺强化技术，提出了微波辅助连续反应蒸馏（MRD）技术用于酯化反应和乙酸乙酯（EtOAc）的分离。探索了回流比，乙酸（HOAc）与乙醇（EtOH）的摩尔比，再沸器负荷，微波功率对EtOH转化率，EtOAc纯度和馏出物与进料质量比（D / F）的影响。与常规加热相比，实验结果表明，在微波条件下，馏出物中的EtOAc纯度有所提高。使用Aspen Plus非平衡阶段模型对常规和MRD系统进行计算机仿真，以证实实验结果。模型的预测与实验数据吻合良好，揭示了非平衡模型的准确性和可靠性。这种新的MRD工艺可能是生产酯的有效方法。 （C）2016年，斯洛伐克科学院化学研究所

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