Page 156 - Chemical and process design handbook
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Speight_Part II_B  11/7/01  3:11 PM  Page 2.97







                                                BUTADIENE                         2.97

                                                                               Raffinate









                                                                                Extract

                    Feedstock











                                                                   Solvent


                    FIGURE 3  Schematic of extractive distillation.
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