文献类型：期刊文献

英文题名：Response surface optimization of concentrated sulfuric acidic hydrolysis of poplar sawdust

作者：Liu, Shan Shan[1] Fang, Gui Gan[1] Deng, Yong Jun[1] Han, Shan Ming[1]

第一作者：Liu, Shan Shan

通信作者：Liu, S. S.

机构：[1] Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Jiangsu, Nanjing, 210042, China

年份：2011

卷号：236-238

起止页码：259-263

外文期刊名：Advanced Materials Research

收录：EI(收录号：20112314025879)

语种：英文

外文关键词：Hydrolysis

摘要：The primary goal of this study was optimized condition for hydrolyzed of papermaking waste (poplar sawdust) as a potential bio-ethanol source by sulfuric acid pretreatment. Based on 23 factorial design, fifteen operations were performed by varying on T, t and c (T: hydrolysis temperature, t: hydrolysis time and c: sulfuric acid concentration). The components of the hydrolysate and solid fractions were analyzed by GC, X-RD and SEM, respectively. The results showed that optimal condition was T 44.8°C, t 120min and c 60%, and reducing sugar yield of 43.3% can be obtained. Through GC detection, glucose content of 26.10 g/L and xylose content of 9.00 g/L is available in hydrolyzate for fermentation. The residue crystallinity declined 74.34% from XRD analysis, the fiber structure was destroyed completely by acid hydrolysis from SEM photograph. ? (2011) Trans Tech Publications.