C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/12, 202/64
C10L 1/02 (2006.01) C07C 29/82 (2006.01)
Patent
CA 1131445
Abstract of the Disclosure 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 intro- duced 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 re- covery and reconcentration of the alcohol in the water layers re- cycled 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.
339437
Chambers John M.
Sherman
LandOfFree
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