Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1979-10-23
1986-02-04
Harris-Smith, Y.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44 77, 203 18, 203 19, C10L 102
Patent
active
045683565
ABSTRACT:
There is provided a process for making anhydrous alcohol denatured with gasoline for ready mixing with additional gasoline to make gasohol and in which aqueous alcohol is introduced into a dehydration drying column along with gasoline. The alcohol, containing gasoline, flows into the lower zone of the drying column and is recovered as a substantially non-aqueous alcohol-gasoline mixture which may be classified as completely denatured alcohol. The rising vapors of the gasoline entrain the water and some alcohol as azeotropes which flow out the top of the column as vapors which are condensed to form a gasoline layer which is returned to the column and a water layer which is removed. Additional water is also removed by decantation on the top several trays of the drying column where it is present as a separate liquid phase. The process also includes utilizing the heat to strip the alcohol from dilute fermented wort for the recovery and reconcentration of the alcohol in the water layers recycled from the drying column while preventing any gasoline from contaminating the fermented feed product and insuring that gasoline is present as a contaminent in all alcoholic streams. Provision is also made to insure that all light ends in the incoming gasoline are contained in the alcohol-gasoline product.
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