Agip Petroli

Ugo Melis

Carlo Rescalli

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.

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San Donato Milanese, Italy

Ugo Melis