期刊
BIORESOURCE TECHNOLOGY
卷 164, 期 -, 页码 221-231出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.04.084
关键词
Concentrated acid hydrolysis; Crystallinity; EFB; Oak wood; Pine wood
资金
- Korea Institute of Science and Technology (KIST) institutional project
- KIST-UBC on-site laboratory program
Among all the feasible thermochemical conversion processes, concentrated acid hydrolysis has been applied to break the crystalline structure of cellulose efficiently and scale up for mass production as lignocellulosic biomass fractionation process. Process conditions are optimized by investigating the effect of decrystallization sulfuric acid concentration (65-80 wt%), hydrolysis temperature (80 degrees C and 100 degrees C), hydrolysis reaction time (during two hours), and biomass species (oak wood, pine wood, and empty fruit bunch (EFB) of palm oil) toward sugar recovery. At the optimum process condition, 78-96% sugars out of theoretically extractable sugars have been fractionated by concentrated sulfuric acid hydrolysis of the three different biomass species with 87-90 g/L sugar concentration in the hydrolyzate and highest recalcitrance of pine (softwood) was determined by the correlation of crystallinity index and sugar yield considering reaction severity. (C) 2014 Elsevier Ltd. All rights reserved.
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