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HIGH SOLID AND LOW ENZYME LOADING BASED SACCHARIFICATION OF AGRICULTURAL BIOMASS
Zhang, Yu; Liu, Yun-Yun; Xu, Jing-Liang; Yuan, Zhen-Hong; Qi, Wei; Zhuang, Xin-Shu; He, Min-Chao
2012
发表期刊BIORESOURCES
卷号7期号:1页码:345-353
摘要Two agricultural biomass materials, namely wheat straw and sugarcane bagasse, were pretreated with NaOH and then used as substrates for enzymatic saccharification. After the pretreatment, the increase in glucan content and the decrease in lignin content were more than 65%, while less than 20% increase occurred in xylan content. The enzymatic saccharification was initiated with solid loading 9% (w/v), and then 8%, 7% and 6% (w/v) solid was fed at 8, 24, and 48 h, respectively. The final enzyme solid loading was 9.60 FPU/g solid and 30% (w/v), respectively. At 144 h, the produced glucose, xylose, and reducing sugar concentrations for wheat straw were 81.88, 20.30, and 115.25 g/L, respectively, and for sugarcane bagasse they were 125.97, 8.66, and 169.50 g/L, respectively. The final conversions of wheat straw and sugarcane bagasse were 34.57% and 50.85%, respectively. SEM images showed that the surface structure of the two materials changed a lot via alkali-pretreatment and enzymatic hydrolysis. In summary, a high concentration sugar is produced from the two agricultural biomass materials by high solid and low enzyme loading. Compared to wheat straw, sugarcane bagasse is more suitable for use in sugar production.
文章类型Article
关键词Cellulase Fermentable Sugar High Solid Loading Enzymatic Saccharification Biomass
WOS标题词Science & Technology ; Technology
研究领域[WOS]Materials Science
关键词[WOS]HYDROLYSIS ; BIOFUELS
收录类别SCI
语种英语
WOS类目Materials Science, Paper & Wood
WOS记录号WOS:000304041200028
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10595
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Zhang, Yu,Liu, Yun-Yun,Xu, Jing-Liang,et al. HIGH SOLID AND LOW ENZYME LOADING BASED SACCHARIFICATION OF AGRICULTURAL BIOMASS[J]. BIORESOURCES,2012,7(1):345-353.
APA Zhang, Yu.,Liu, Yun-Yun.,Xu, Jing-Liang.,Yuan, Zhen-Hong.,Qi, Wei.,...&He, Min-Chao.(2012).HIGH SOLID AND LOW ENZYME LOADING BASED SACCHARIFICATION OF AGRICULTURAL BIOMASS.BIORESOURCES,7(1),345-353.
MLA Zhang, Yu,et al."HIGH SOLID AND LOW ENZYME LOADING BASED SACCHARIFICATION OF AGRICULTURAL BIOMASS".BIORESOURCES 7.1(2012):345-353.
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