Separation of ethanol from isopropanol by extractive distillatio

Details Separation of ethanol from isopropanol by extractive distillatio Separation of ethanol from isopropanol by extractive distillatio

1994-10-18

1995-08-29

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 50, 203 58, 203 59, 203 60, 203 62, 203 63, 203 64, 203 65, 203 67, 203 68, 203 69, 203 70, 568913, B01D 340, C07C 2984

Patent

active

054457165

ABSTRACT:
Ethanol is difficult to separate from isopropanol by conventional distillation or rectification because of the proximity of their boiling points. Ethanol can be readily separated from isopropanol by extractive distillation. Effective agents are dipentene, anisole and ethyl benzene.

REFERENCES:
patent: 2537115 (1951-01-01), Scheibel
patent: 2559519 (1951-07-01), Smith
patent: 2583412 (1952-01-01), Carlson et al.
patent: 2591714 (1952-04-01), Morrell
patent: 3898291 (1975-08-01), Chandrasekhara et al.
patent: 4710274 (1987-12-01), Berg et al.
patent: 5348625 (1994-09-01), Berg

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