Separation of butyraldehyde from ethanol by azeotropic distillat

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

1995-11-07

1996-12-03

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 63, 203 65, 203 68, 568492, 568913, B01D 336, C07C 4584

Patent

active

055804276

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 azeotropic distillation. Effective agents are ethyl formate, hexane and isopropyl ether.

REFERENCES:
patent: 4383893 (1983-05-01), Kaibel et al.
patent: 4523041 (1985-06-01), Kawai et al.
patent: 4986885 (1991-01-01), Driscoll et al.

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