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Laboratory Scale Optimization Of Alkali Pretreatment For Improvingenzymatic Hydrolysis Of Sweet Sorghum Bagasse, Arosha L. Umagiliyage, Ruplal Choudhary, Yanna Liang, John Haddock, Dennis G. Watson
Laboratory Scale Optimization Of Alkali Pretreatment For Improvingenzymatic Hydrolysis Of Sweet Sorghum Bagasse, Arosha L. Umagiliyage, Ruplal Choudhary, Yanna Liang, John Haddock, Dennis G. Watson
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Sweet sorghum has been identified as a promising feedstock for biological conversion to fuels as wellas other chemicals. The lignocellulosic stalk of sweet sorghum, called sweet sorghum bagasse (SSB) isa potential source of lignocellulosic biofuel. The primary goal of this study was to determine optimalalkali (lime: Ca(OH)2and lye: NaOH) pretreatment conditions to obtain higher yield of total reducingsugar while reducing the lignin content for biofuel production from SSB. Biomass conversion and ligninremoval were simultaneously optimized through four quadratic models analyzed by response surfacemethodology (RSM). The optimal conditions for lime pretreatment was 1.7% (w/v) lime concentration,6.0% (w/v) SSB loading, 2.4 h …