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Energies 2014, 7(12), 8411-8426; doi:10.3390/en7128411

Kinetic Modeling of Ethanol Batch Fermentation by Escherichia Coli FBWHR Using Hot-Water Sugar Maple Wood Extract Hydrolyzate as Substrate

Department of Paper and Bioprocess Engineering, State University of New York-College of Environmental Science and Forestry, Syracuse, NY 13210, USA
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Received: 29 October 2014 / Revised: 27 November 2014 / Accepted: 4 December 2014 / Published: 16 December 2014
(This article belongs to the Special Issue Advances and Challenges in Cellulosic Ethanol)
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Abstract

A recombinant strain of Escherichia coli FBWHR was used for ethanol fermentation from hot-water sugar maple wood extract hydrolyzate in batch experiments. Kinetic studies of cell growth, sugar utilization and ethanol production were investigated at different initial total sugar concentrations of wood extract hydrolyzate. The highest ethanol concentration of 24.05 g/L was obtained using an initial total sugar concentration of 70.30 g/L. Unstructured models were developed to describe cell growth, sugar utilization and ethanol production and validated by comparing the predictions of model and experimental data. The results from this study could be expected to provide insights into the process performance, optimize the process and aid in the design of processes for large-scale production of ethanol fermentation from woody biomass. View Full-Text
Keywords: kinetic modeling; hemicellulose; hydrolyzate; xylose; Escherichia coli; ethanol; batch fermentation kinetic modeling; hemicellulose; hydrolyzate; xylose; Escherichia coli; ethanol; batch fermentation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, Y.; Liu, S. Kinetic Modeling of Ethanol Batch Fermentation by Escherichia Coli FBWHR Using Hot-Water Sugar Maple Wood Extract Hydrolyzate as Substrate. Energies 2014, 7, 8411-8426.

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