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Overcoming biomass recalcitrance for enhancing sugar production from fast pyrolysis of biomass by microwave pretreatment in glycerol
Zheng, Anqing; Zhao, Zengli; Huang, Zhen; Zhao, Kun; Wei, Guoqiang; Jiang, Liqun; Wang, Xiaobo; He, Fang; Li, Haibin
2015
发表期刊GREEN CHEMISTRY
卷号17期号:2页码:1167-1175
摘要Levoglucosan, mainly derived from cellulose fast pyrolysis, is a versatile precursor to fuels, pharmaceuticals, and other value-added chemicals. However, biomass fast pyrolysis produces a very low amount of levoglucosan when compared to the theoretical yield based on cellulose fraction. Microwave pretreatment of biomass in glycerol is a potential pretreatment method prior to fast pyrolysis for enhancing levoglucosan yield since it can achieve the rapid heating and specific molecular activations for promoting the delignification and demineralization of biomass. In order to examine the validity of the pretreatment method, pretreatment of corncob in glycerol was conducted in a microwave reactor under ambient pressure. The pretreated corncobs were subsequently fast pyrolyzed in a semi-batch pyroprobe reactor. The experimental results show that microwave pretreatment in glycerol can serve as an effective pretreatment method for improving the sugar yield. The levoglucosan yield from fast pyrolysis of corncob pretreated at 150 W for 18 min was about 189 times higher than that of raw corncob. It was mainly ascribed to the effective removal of alkali and alkaline earth metals during microwave pretreatment of corncob in glycerol. In addition, the selective removal of lignin and hemicellulose fractions of corncob during pretreatment also plays positive roles in enhancing the levoglucosan yield.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c4gc01724b
研究领域[WOS]Chemistry
关键词[WOS]BIO-OIL ; PLANT BIOMASS ; BIOFUELS ; FUELS ; CONVERSION ; CHEMISTRY ; MODEL ; FRACTIONATION ; CELLULOSE ; FURANS
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000349315200059
引用统计
被引频次:11[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/344007/10804
专题中国科学院广州能源研究所
作者单位Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
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GB/T 7714
Zheng, Anqing,Zhao, Zengli,Huang, Zhen,et al. Overcoming biomass recalcitrance for enhancing sugar production from fast pyrolysis of biomass by microwave pretreatment in glycerol[J]. GREEN CHEMISTRY,2015,17(2):1167-1175.
APA Zheng, Anqing.,Zhao, Zengli.,Huang, Zhen.,Zhao, Kun.,Wei, Guoqiang.,...&Li, Haibin.(2015).Overcoming biomass recalcitrance for enhancing sugar production from fast pyrolysis of biomass by microwave pretreatment in glycerol.GREEN CHEMISTRY,17(2),1167-1175.
MLA Zheng, Anqing,et al."Overcoming biomass recalcitrance for enhancing sugar production from fast pyrolysis of biomass by microwave pretreatment in glycerol".GREEN CHEMISTRY 17.2(2015):1167-1175.
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