Patent ID: 8975047
Filing Date: 2015-03-10
Classification: C07C,C10L,C12P,Y02E

Abstract:
1. A process for making at least one isooctene comprising: (a) obtaining a fermentation broth comprising recombinant microorganisms and 1-butanol wherein the fermentation broth is substantially free of acetone and ethanol; (b) separating dry 1-butanol from said fermentation broth to form separated dry 1-butanol comprising the steps of heating a stream of fermentation broth and introducing the heated stream into a beer column removing from the beer column a 1-butanol water azeotrope and condensing it to a biphasic liquid stream having an upper phase and a lower phase and introducing a stream of the upper phase into a butanol separation column (c) contacting the separated dry 1-butanol of step (b), optionally in the presence of a solvent, with at least one acid catalyst at a temperature of about 50 degrees C. to about 450 degrees C. and a pressure from about 0.1 MPa to about 20.7 MPa to produce a reaction product comprising said at least one isooctene; and (d) recovering said at least one isooctene from said reaction product to obtain at least one recovered isooctene.