Separation of ethanol from 2-butanone by extractive distillation

Details Separation of ethanol from 2-butanone by extractive distillation Separation of ethanol from 2-butanone by extractive distillation

1994-11-07

1995-09-26

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 59, 203 60, 203 62, 203 63, 203 64, 203 65, 203 67, 203 69, 203 70, 568410, 568913, B01D 340

Patent

active

054531667

ABSTRACT:
Ethanol is impossible to separate from 2-butanone by conventional distillation or rectification because of the minimum boiling azeotrope between these two. Ethanol can be readily separated from 2-butanone by extractive distillation. Effective agents are dipromyl amine, phenol and dimethylsulfoxide.

REFERENCES:
patent: 2528761 (1950-11-01), Lake et al.
patent: 2570205 (1951-10-01), Carlson et al.
patent: 2583412 (1952-01-01), Carlson et al.
patent: 2591712 (1952-04-01), Morrell et al.
patent: 2591714 (1952-04-01), Morrell
patent: 2617757 (1952-11-01), Michael

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