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Investigation on the structural effect of lignin during the hydrogenolysis process
Shu, Riyang1,2; Long, Jinxing1; Xu, Ying1; Ma, Longlong1; Zhang, Qi1; Wang, Tiejun1; Wang, Chenguang1; Yuan, Zhengqiu1,2; Wu, Qingyun1
2016
发表期刊BIORESOURCE TECHNOLOGY
卷号200页码:14-22
摘要Structure has a significant effect on the lignin degradation, so the investigation of structural effect on the lignin depolymerization is important and imperative. In this study, hydrogenolysis of three typical lignins with different structures, dealkaline lignin, sodium lignosulfonate and organosolv lignin, was intensively compared over the synergistic catalyst of CrCl3 and Pd/C. The effects of reaction temperature, time, hydrogen pressure and catalyst dosage on the catalytic performance of lignin species were investigated. The structure evolution of lignins during the hydrogenolysis process was also compared. The results showed that organosolv lignin was more sensitive for hydrogenolysis than others due to its high unsaturation degree and low molecular weight. Further analysis indicated that the hydrogenolysis, hydrodeoxygenation and repolymerization reactions took place and competed intensely. Wherein, the depolymerization products with unsaturated carbonyl groups were prone to repolymerize. And the methylation was helpful to stabilize the depolymerization products and suppress the further repolymerization. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Lignin Hydrogenolysis Structure Repolymerization Methylation
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.09.112
研究领域[WOS]Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
关键词[WOS]CATALYTIC DEPOLYMERIZATION ; SUPERCRITICAL WATER ; FORMIC-ACID ; CHEMICALS ; EFFICIENT ; HYDRODEOXYGENATION ; HYDROGENATION ; VALORIZATION ; DEGRADATION ; CONVERSION
收录类别SCI
语种英语
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000365811200003
引用统计
被引频次:34[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/344007/10915
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Shu, Riyang,Long, Jinxing,Xu, Ying,et al. Investigation on the structural effect of lignin during the hydrogenolysis process[J]. BIORESOURCE TECHNOLOGY,2016,200:14-22.
APA Shu, Riyang.,Long, Jinxing.,Xu, Ying.,Ma, Longlong.,Zhang, Qi.,...&Wu, Qingyun.(2016).Investigation on the structural effect of lignin during the hydrogenolysis process.BIORESOURCE TECHNOLOGY,200,14-22.
MLA Shu, Riyang,et al."Investigation on the structural effect of lignin during the hydrogenolysis process".BIORESOURCE TECHNOLOGY 200(2016):14-22.
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