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    Toxicity reduction in continuous, high productivity ethanol fermentation by Parageobacillus thermoglucosidasius using in situ microbubble gas stripping by Christopher Ibenegbu, William B. Zimmerman, Michael Hines, Pratik D. Desai, H. C. Hemaka Bandulasena, David J. Leak

    Published 2025-06-01
    “…Although thermophilic bacteria have many potential advantages over Saccharomyces cerevisiae as process organisms for second generation bioethanol production, they are known to be less tolerant to ethanol, typically to concentrations less than 4% (v/v). To address this issue we have investigated the application of in situ gas-stripping of ethanol using microbubbles to increase the surface area per unit volume of gas, using fed-batch and continuous cultures of the engineered ethanologenic thermophile Parageobacillus thermoglucosidasius TM242. …”
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