Process for separating alcohols from mixtures of alcohols, water

Details Process for separating alcohols from mixtures of alcohols, water Process for separating alcohols from mixtures of alcohols, water

1993-11-15

1995-09-12

Manoharan, Virginia

Distillation: processes, separatory

Including defoaming or inhibiting foam

203 18, 203 78, 203 80, 203 99, 203DIG13, 203DIG19, 203DIG23, 568913, B01D 326

Patent

active

054494400

ABSTRACT:
From a mixture containing methanol, ethanol, n-propanol, isobutanol water and other high-boiling and low-boiling compounds, the claimed process enables three separate streams to be obtained, one an anhydrous stream of methanol or methanol and ethanol (I), one containing most of the n-propanol present in the feed mixture (II), and one containing most of the isobutanol present in the feed mixture (III), by using three fractionating columns.

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patent: 4645570 (1987-02-01), Sridhar et al.
patent: 4874474 (1989-10-01), Rescalli et al.

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