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Fractionation of the main components of corn stover by formic acid and enzymatic saccharification of solid residue.
Yu, G.; Li, B., Liu, C.; Zhang, Y.; Wang, H.; & Mu, X.
2013
Source PublicationIndustrial Crops and Products
Issue50Pages:750-757
Abstract In this work, three main components (cellulose, hemicellulose, and lignin) of corn stover were fraction-ated effectively by formic acid. The effects of reaction temperature and time on the fractionation wereinvestigated. It was found that the suitable conditions for the fractionation of corn stover were: the formicacid concentration was 88 wt.%, the ratio of solid to liquid was 1:13, and the treatment temperature was80◦C with the duration of 3 h. Under such conditions, the retention yield of cellulose, extraction yields ofhemicellulose and lignin were 89.5%, 79.8% and 65.6%, respectively. Subsequently, the enzymatic hydrol-ysis of the solid residue was conducted by using the enzyme mixture of cellulase (20 FPU/g dry substrate)and  _-glucosidase (10 IU/g dry substrate). The enzymatic hydrolysis rate of glucan and xylan could reach62.8% and 79.4%, respectively. In addition, to study the property changes of corn stover before and aftertreatment, SEM, XRD and TGA analyses were performed, and the lignin extracted by formic acid was alsocharacterized by TGA and GPC.
KeywordCorn Stover Formic Acid Fractionation Enzymatic Saccharificationa
Subject Area绿色化学催化
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/1663
Collection绿色化学催化研究组
环境资源化与水回用研究组
Recommended Citation
GB/T 7714
Yu, G.,Li, B., Liu, C.,Zhang, Y.,et al. Fractionation of the main components of corn stover by formic acid and enzymatic saccharification of solid residue.[J]. Industrial Crops and Products,2013(50):750-757.
APA Yu, G.,Li, B., Liu, C.,Zhang, Y.,Wang, H.,&& Mu, X..(2013).Fractionation of the main components of corn stover by formic acid and enzymatic saccharification of solid residue..Industrial Crops and Products(50),750-757.
MLA Yu, G.,et al."Fractionation of the main components of corn stover by formic acid and enzymatic saccharification of solid residue.".Industrial Crops and Products .50(2013):750-757.
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