Journal
BIORESOURCE TECHNOLOGY
Volume 101, Issue 10, Pages 3583-3585Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.12.097
Keywords
Coastal Bermuda grass; NaOH pretreatment; Glucose; Xylose; Reducing sugar
Funding
- North Carolina Biotechnology Center
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Coastal Bermuda grass was pretreated with NaOH at concentrations from 0.5% to 3% (w/v) for a residence time from 15 to 90 min at 121 degrees C. The pretreatments were evaluated based on total lignin removal and production of total reducing sugars, glucose and xylose from enzymatic hydrolysis of the pretreated biomass. Up to 86% lignin removal was observed. The optimal NaOH pretreatment conditions at 121 degrees C for total reducing sugars production as well as glucose and xylose yields are 15 min and 0.75% NaOH. Under these optimal pretreatment conditions, total reducing sugars yield was about 71% of the theoretical maximum, and the overall conversion efficiencies for glucan and xylan were 90.43% and 65.11%, respectively. (c) 2009 Elsevier Ltd. All rights reserved.
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