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PERVAPORATION-AIDED PRODUCTION OF ETHYL LACTATE

机译:渗透厌病的乳酸乙酯

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Reactors coupled with membrane separation can help enhance the conversion of reactants for thermodynamically or kinetically limited reactions via selective removal of one or more product species from the reaction mixture. Esterification of lactic acid and ethanol is studied in well-mixed reactors with/without a solid catalyst (Amberlyst XN-1010). Rate expressions for homogeneous and heterogeneous esterification are obtained from the experimental data using differential and integral methods. Experiments with a closed-loop system of a "batch" catalytic reactor and a pervaporation unit reveal that fractional conversions of the two reactants and yield of ethyl lactate substantially exceeding the corresponding maximum values in a reaction-only operation are obtained by stripping of water.
机译:与膜分离耦合的反应器可以通过选择性除去来自反应混合物的一种或多种产物物种来帮助增强热力学或动力学的反应物的转化物。在具有/不具有固体催化剂的良好混合的反应器中研究乳酸和乙醇的酯化酯化(Amberlyst XN-1010)。使用差分和整体方法从实验数据获得均匀和异质酯化的速率表达。用“批次”催化反应器的闭环系统和渗透蒸发单元的实验表明,通过剥离水,得到两种反应物的分数转化基本上超过相应的最大值的乳酸乙酯的产率。

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