Date of Graduation

5-2011

Document Type

Thesis

Degree Name

Bachelor of Science in Chemical Engineering

Degree Level

Undergraduate

Department

Chemical Engineering

Advisor/Mentor

Not available

Abstract

Within this research a fermentation broth is used that has been developed first from the continuous fermentation of algal sugars to organic acids with Clostridium tyrobutyricum, followed by the continuous fermentation of the organic acids to butanol using Clostridium saccharoperbutylacetonium. The two-stage fermentation has the potential to increase the butanol selectivity from 60% by weight with the traditional ABE process to as high as 100% with the 2-stage process.

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