"In-situ extraction and purification of ethanol using commercial oleic " by D.S. Jassal, Z. Zhang et al.
 

Aspen Bibliography

In-situ extraction and purification of ethanol using commercial oleic acid

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Chemical Engineering

Volume

72

Issue

5

First Page

822

Last Page

827

Publication Date

1994

Abstract

The flash process for the removal of ethanol from commercial oleic acid has been experimentally studied and modelled using a modified Redlich-Kwong-Soave equation of state (RKAES) and the ASPEN process simulator. Using feed ethanol and water concentrations spanning the range of expected liquid-liquid extraction concentrations, it was found that 93.6% by weight of ethanol in the distillate was obtained consuming only 2 MJoules of energy per kilogram of ethanol recovered. The RKAES model was found to reasonably predict the ethanol recovery and purity with errors under 5%. Commercial oleic acid was found to be completely non-inhibitory towards the growth of Saccharomyces cerevisiae cells when used for in-situ extraction at a concentration of 50% of the total fermenter volume.

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