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Selectively biorefining levoglucosan from NaOH pretreated corncobs via fast pyrolysis
Jiang, Liqun1; Wu, Yaxiang1; Zhao, Zengli1; Li, Haibin1; Zhao, Kun1; Zhang, Fan2
2019-09-01
发表期刊CELLULOSE
ISSN0969-0239
卷号26期号:13-14页码:7877-7887
通讯作者Jiang, Liqun(lqjiang@ms.giec.ac.cn) ; Zhao, Kun(zhaok@ms.giec.ac.cn) ; Zhang, Fan(Zhangfan@xtbg.ac.cn)
摘要Fast pyrolysis is a comparable technology with enzyme or acid hydrolysis for saccharification of biomass. The low yield of levoglucosan and the formation of inhibitors to biocatalysts from lignocellulose hamper the fermentable utilization of pyrolysate. In this study, aiming to enhance the production of levoglucosan, dilute alkali pretreatment was performed prior to fast pyrolysis of corncobs. The yield of levoglucsoan from pretreated corncobs was significantly improved (34.8%) as compared to that from un-treated corncobs (3.0%), which was mainly attributed to the removal of alkaline and alkaline earth metals as well as lignin fraction by NaOH pretreatment. Conversely, NaOH pretreatment suppressed the formation of acids (from 11.1 to 2.2%), furans (from 2.5 to 2.0%), ketones (from 15.7 to 9.8%) and phenols (from 4.8 to 1.3%), which were common inhibitors to the biocatalysts. Accordingly, NaOH pretreatment facilitated further selective conversion of biomass in fast pyrolysis and made the pyrolysate more fermentable. [GRAPHICS] .
关键词Biomass Alkali pretreatment Fast pyrolysis Levoglucosan
DOI10.1007/s10570-019-02625-4
关键词[WOS]LIGNOCELLULOSIC BIOMASS PYROLYSIS ; CELLULOSE-LIGNIN INTERACTIONS ; ALKALI PRETREATMENT ; HEMICELLULOSE ; GASIFICATION ; GLUCOSE ; WASTE ; ACID
收录类别SCI
语种英语
资助项目Project Foundation of Guangdong province and Guangzhou city[2017A020216007] ; Project Foundation of Guangdong province and Guangzhou city[201707010236] ; National Natural Science Foundation of China[51606204] ; National Natural Science Foundation of China[51876208]
WOS研究方向Materials Science ; Polymer Science
项目资助者Project Foundation of Guangdong province and Guangzhou city ; National Natural Science Foundation of China
WOS类目Materials Science, Paper & Wood ; Materials Science, Textiles ; Polymer Science
WOS记录号WOS:000483695400021
出版者SPRINGER
引用统计
被引频次:15[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/344007/25562
专题中国科学院广州能源研究所
通讯作者Jiang, Liqun; Zhao, Kun; Zhang, Fan
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangdong Key Lab New & Renewable Energy Res & De, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Biomass Grp, Key Lab Trop Plant Resources & Sustainable Use, Xishuangbanna Trop Bot Garden, 88 Xuefulu, Kunming 650223, Yunnan, Peoples R China
第一作者单位中国科学院广州能源研究所
推荐引用方式
GB/T 7714
Jiang, Liqun,Wu, Yaxiang,Zhao, Zengli,et al. Selectively biorefining levoglucosan from NaOH pretreated corncobs via fast pyrolysis[J]. CELLULOSE,2019,26(13-14):7877-7887.
APA Jiang, Liqun,Wu, Yaxiang,Zhao, Zengli,Li, Haibin,Zhao, Kun,&Zhang, Fan.(2019).Selectively biorefining levoglucosan from NaOH pretreated corncobs via fast pyrolysis.CELLULOSE,26(13-14),7877-7887.
MLA Jiang, Liqun,et al."Selectively biorefining levoglucosan from NaOH pretreated corncobs via fast pyrolysis".CELLULOSE 26.13-14(2019):7877-7887.
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