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Optimizing Harvest Of Corn Stover Fractions Based On Overall Sugar Yields Following Ammonia Fiber Expansion Pretreatment And Enzymatic Hydrolysis, Rebecca G. Ong, Shishir Ps Chundawat, Venkatesh Balan, Bruce E. Dale
Optimizing Harvest Of Corn Stover Fractions Based On Overall Sugar Yields Following Ammonia Fiber Expansion Pretreatment And Enzymatic Hydrolysis, Rebecca G. Ong, Shishir Ps Chundawat, Venkatesh Balan, Bruce E. Dale
Rebecca Ong
Background: Corn stover composition changes considerably throughout the growing season and also varies between the various fractions of the plant. These differences can impact optimal pretreatment conditions, enzymatic digestibility and maximum achievable sugar yields in the process of converting lignocellulosics to ethanol. The goal of this project was to determine which combination of corn stover fractions provides the most benefit to the biorefinery in terms of sugaryields and to determine the preferential order in which fractions should be harvested. Ammoniafiber expansion (AFEX) pretreatment, followed by enzymatic hydrolysis, was performed on early and late harvest corn stover fractions (stem, leaf, husk …