Process for obtaining separate streams of methanol and ethanol,

Details Process for obtaining separate streams of methanol and ethanol, Process for obtaining separate streams of methanol and ethanol,

1995-12-08

1998-05-26

Cintins, Marianne M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

203 20, 203 18, 203 78, C07C 2726, C07C 2980, B01D 300, B01D 102

Patent

active

057568669

ABSTRACT:
The process claimed enables three separate streams to be obtained, from mixtures containing methanol, ethanol, n-propanol, isobutanol, water and other both low- and high-boiling compounds, of which one is anhydrous basically consisting of methanol and ethanol (I), one containing most of the n-propanol present in the mixture fed (II), together with small quantities of methanol, ethanol, isobutanol and water, and one containing most of the isobutanol and high-boiling compounds present in the above mixture (III), by the use of three rectifying columns, stream (I) being taken from a lateral point of the first column, stream (II) obtained from the head of the second column, stream (III) obtained from the bottom of the second column.

REFERENCES:
patent: 4645570 (1987-02-01), Sridahr
patent: 5449440 (1995-09-01), Rescalli et al.

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