SEARCH Articles Figures Tables BATCH EXTRACTIVE DISTILLATION (BED) Batch Extractive Distillation (Acetone-Methanol with Water as the Entrainer) Batch Extractive Distillation (Isopropanol-Water with DMSO as the Entrainer) Batch distillation Batch extraction Extractive distillation Operational fractions of batch extractive distillation in a middle vessel column