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Optimization Of Wastewater Microalgae Pretreatment For Acetone, Butanol, And Ethanol Fermentation, Yessica A. Castro
Optimization Of Wastewater Microalgae Pretreatment For Acetone, Butanol, And Ethanol Fermentation, Yessica A. Castro
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Acetone-butanol-ethanol (ABE) fermentation from wastewater microalgae by Clostridium saccharoperbutylacetonicum N1-4 is a novel bioprocess that utilizes waste substrate to generate valuable solvents. Butanol, the most abundant product resulting from ABE fermentation, is an environmentally safe and high performing fuel that can be utilized as a drop-in-fuel; however, high operational costs and low ABE yield present challenge in scale-up of the process. The utilization of algae as a substrate requires pretreatment prior to fermentation to increase the bioavailability of the algal fermentable sugars and to improve the conditions of the pre-fermentation medium. The purpose of this thesis was to optimize wastewater …