Document Type

Patent

Publication Date

5-5-1992

Abstract

Describes a method of producing ethanol from a fermentation source for direct blending into gasoline to form gasohol by extracting ethanol from the fermentation broth with a non-toxic solvent compatible with gasoline. The invention includes extraction outside of the fermentor and the recycling of the extracted broth back to the fermentor. An extracting column is used for the extraction and recycling and the extract can be dried before blending it with the gasoline. The preferred solvent is an alkylate.

Department

Chemical Engineering

Patent Number

US5110319

Application Filed

6-13-1990

Assignee

The Board of Trustees of the University of Little Rock Arkansas (Little Rock, AR)

Comments

Jim L. Turpin, Department of Chemical Engineering; Sharon Booth-McGee, Department of Chemical Engineering

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