Abstract
Sugar beet pulp is a carbohydrate-rich coproduct generated by the table sugar industry. Beet pulp has shown promise as a feedstock for ethanol production using enzymesto hydroly zepolymeric carbohydrates and engineered bacteria to ferment sugars to ethanol. In this study, sugar beet pulp underwent an ammonia pressurization depressurization (APD) pretreatment in which the pulp was exploded by the sudden evaporation of ammonia in a reactor vessel. APD was found to substantially increase hydrolysis efficiency of the cellulose component, but when hemicellulose- and pectindegrading enzymes wereadded, treated pulp hydrolysis was no better than the untreated control.
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Foster, B.L., Dale, B.E. & Doran-Peterson, J.B. Enzymatic hydrolysis of ammonia-treated sugar beet pulp. Appl Biochem Biotechnol 91, 269–282 (2001). https://doi.org/10.1385/ABAB:91-93:1-9:269
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DOI: https://doi.org/10.1385/ABAB:91-93:1-9:269