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题名: Studies of monosaccharide production through lignocellulosic waste hydrolysis using double acids
作者: Li, Wen-Zhi1, 2;  Xu, Jie2;  Wang, Jun3;  Yan, Yong-jie2;  Zhu, Xi-feng1;  Chen, Ming-qiang3;  Tan, Zhi-cheng4
通讯作者: Yong-jie Yan ;  Xi-feng Zhu
刊名: ENERGY & FUELS
发表日期: 2008-05-01
DOI: 10.1021/ef700762h
卷: 22, 期:3, 页:2015-2021
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 4;7
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels ;  Engineering, Chemical
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: A new technology called double acid hydrolysis of lignocellulosic waste for bioethanol production has been proposed via combination of hydrochloric acid and sulfuric acid. Double acid hydrolysis is characterized with several advantages, i.e., low process energy consumption, high monosaccharide concentration and yield, inner recycle of wastewater, and no interference to ethanol distillation from crystal calcium sulfate evolving. On the basis of this hydrolysis technology, industrialization of bioethanol production is promising in terms of both economical and environmental aspects. The effects of reaction temperature and time, acid concentration, and the ratio of liquid to solid biomass (US) on monosaccharide concentration and yield were investigated and the optimum reaction conditions were determined as follows. The temperatures for the first stage hydrolysis and the second stage hydrolysis are 120 and 165 degrees C, respectively. The time for the first stage hydrolysis and the second stage hydrolysis is 25 and 15 min, respectively. Acid concentration is 1 wt %, and US is 8. Under these conditions, the concentration of xylose and glucose can attain values of 34.47 and 40.51 mg/mL, respectively, and the total fermentable monosaccharide concentration and yield can attain 74.98 mg/mL and 76.55%, respectively.
关键词[WOS]: PRETREATED CORN STOVER ;  ENZYMATIC-HYDROLYSIS ;  HEMICELLULOSE HYDROLYSIS ;  SULFURIC-ACID ;  BIOMASS ;  SWITCHGRASS ;  CELLULOSE ;  ETHANOL ;  REACTOR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000256057600083
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100403
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, USTC Biomass Clean Energy Lab, Hefei 230026, Peoples R China
2.E China Univ Sci & Technol, Dept Chem Engn Energy Recourses, Shanghai 200237, Peoples R China
3.Anhui Univ Sci & Technol, Dept Chem Engn, Huainan 232001, Anhui, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Li, Wen-Zhi,Xu, Jie,Wang, Jun,et al. Studies of monosaccharide production through lignocellulosic waste hydrolysis using double acids[J]. ENERGY & FUELS,2008,22(3):2015-2021.
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