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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
Source PublicationBIORESOURCE TECHNOLOGY
Volume200Pages:14-22
AbstractStructure 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.
SubtypeArticle
KeywordLignin Hydrogenolysis Structure Repolymerization Methylation
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2015.09.112
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordCATALYTIC DEPOLYMERIZATION ; SUPERCRITICAL WATER ; FORMIC-ACID ; CHEMICALS ; EFFICIENT ; HYDRODEOXYGENATION ; HYDROGENATION ; VALORIZATION ; DEGRADATION ; CONVERSION
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000365811200003
Citation statistics
Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10915
Collection中国科学院广州能源研究所
Affiliation1.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
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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