Abstract
The batch extractive distillation is compared with the hybrid process ( absorption + distillation ) by feasibility studies and rigorous simulation. A new method is presented for the assessment of feasibility of the hybrid batch extractive distillation. The limiting values of the operational parameters are determined. Calculations are presented for the separation of the minimum boiling azeotropic mixtures of acetone–methanol and ethanol–water by the application of water and ethylene glycol as heavy solvents, respectively.
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