Process for the production of gasohol

Details Process for the production of gasohol Process for the production of gasohol

1983-10-31

1984-12-25

Hollrah, Glennon H.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 53, 209165, 203 52, 203 57, 203 44, C10L 102

Patent

active

044901534

ABSTRACT:
Low energy process for the production of gasoline-ethanol blends, comprising dehydrating the aqueous ethanolic product from a conventional fermentation process, preferably containing about 6 wt. % ethanol, so as to generate an aqueous ethanolic effluent containing about 90 wt. % ethanol; mixing the effluent with gasoline feedstock; chilling the resultant gasoline-aqueous ethanol mixture to a temperature of about -10.degree. F., without forming ice, thereby to form (1) a gasohol blend containing about 10 wt. % ethanol and (2) an aqueous stream comprising some ethanol and traces of gasoline; extracting the gasoline-containing aqueous stream with a minor stream of the fermentation ethanol product in order to recover the gasoline it contains; and recovering said blend to produce a gasohol product under-saturated with water at all operating temperatures above -10.degree. F.

REFERENCES:
patent: 2371010 (1945-03-01), Wolfner
patent: 4251231 (1981-02-01), Baird

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