Process for extracting ethanol from fermentation broths for direct blending into gasoline while preserving the broth for recycling

Inventors

Jim L. Turpin, University of Arkansas, Fayetteville
Robert B. Eldridge
Sharon Booth-McGee, University of Arkansas, Fayetteville

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

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

Comments

Jim L. Turpin, Department of Chemical Engineering, University of Arkansas, Fayetteville, AR
Sharon Booth-McGee, Department of Chemical Engineering, University of Arkansas, Fayetteville, AR

Citation

Turpin, J. L., Eldridge, R. B., & Booth-McGee, S. (1992). Process for extracting ethanol from fermentation broths for direct blending into gasoline while preserving the broth for recycling. Patents Granted. Retrieved from https://scholarworks.uark.edu/pat/242