Separation of butyraldehyde from ethanol by extractive distillat

Details Separation of butyraldehyde from ethanol by extractive distillat Separation of butyraldehyde from ethanol by extractive distillat

1996-11-25

1997-12-02

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 60, 203 62, 203 63, 203 64, 203 65, 203 68, 568492, 568913, B01D 340, C07C 4583

Patent

active

056931948

ABSTRACT:
Butyraldehyde cannot be separated from ethanol by conventional distillation or rectification because they form a minimum boiling azeotrope. Butyraldehyde can be readily separated from ethanol by extractive distillation. Effective agents are 2-propanol, m-xylene and dimethylsulfoxide.

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patent: 5580427 (1996-12-01), Berg

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