Journal
BIORESOURCE TECHNOLOGY
Volume 192, Issue -, Pages 335-339Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.05.038
Keywords
Hydrodynamic cavitation; Pretreatment; Enzymatic hydrolysis; SSF; Reed
Funding
- Advanced Biomass R&D Center (ABC) of Global Frontier Project [ABC-2012053875]
- National Research Foundation of Korea - Korea government Ministry of Education, Science and Technology [2012M1A2A2026587]
- National Research Foundation of Korea [2012M1A2A2026587] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, hydrodynamic cavitation (HC) was employed as a physical means to improve alkaline pretreatment of reed. The HC-assisted alkaline pretreatment was undertaken to evaluate the influence of NaOH concentration (1-5%), solid-to-liquid ratio (5-15%), and reaction time (20-60 min) on glucose yield. The optimal condition was found to be 3.0% NaOH at solid-to-liquid (S/L) ratio of 11.8% for 41.1 min, which resulted in the maximum glucose yield of 326.5 g/kg biomass. Furthermore, simultaneous saccharification and fermentation (SSF) was conducted to assess the ethanol production. An ethanol concentration of 25.9 g/L and ethanol yield of 90% were achieved using batch SSF. These results clearly demonstrated HC system can be indeed a promising pretreatment tool for lignocellulosic bioethanol production. (C) 2015 Elsevier Ltd. All rights reserved.
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