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Insight into the solvent, temperature and time effects on the hydrogenolysis of hydrolyzed lignin
Shu, Riyang1,2,3,4; Zhang, Qi1,2,3; Ma, Longlong1,2,3; Xu, Ying1,2,3; Chen, Pengru1,2,3,4; Wang, Chenguang1,2,3; Wang, Tiejun1,2,3
2016-12-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume221Pages:568-575
AbstractThe aim of this study is to explore the reaction mediums and conditions for producing high yield of valuable monomers from concentrated sulfuric acid hydrolyzed lignin. The solvent, temperature and time effects on the hydrogenolysis of hydrolyzed lignin were investigated under the catalysis of Pd/C and CrCl3. Supercritical methanol exhibits the best depolymerization performance, because of its unique diffusion, dissolution and acid-base properties. Afterwards, the influence of reaction temperature and time on depolymerization, repolymerization and coking during hydrogenolysis was examined in methanol. The high temperature is found to favor the depolymerization, with the beta-O-4 linkages cleaved significantly. However, the repolymerization is promoted simultaneously, and a high amount of beta-beta groups form. These reactions are in constant competition with each other and the repolymerization is preferred at excessive high temperature, producing bulk char residues, that is coking. This study will provide a beneficial reference for the maximization of lignin waste valorization. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordHydrogenolysis Hydrolyzed Lignin Solvent Effect Temperature Effect Repolymerization
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2016.09.043
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordSUPERCRITICAL METHANOL ; CATALYTIC DEPOLYMERIZATION ; BIO-OIL ; EFFICIENT ; BIOMASS ; ETHANOL ; DECOMPOSITION ; VALORIZATION ; CONVERSION ; AROMATICS
Indexed BySCI
Language英语
Funding OrganizationNational Key Technology R&D Program of China(2014BAD02B01) ; Natural Science Foundation of China(51476178) ; Youth Science and technology innovation talents plan of Guangdong Province(2015TQ01N652) ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000386241000070
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/13749
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
3.Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
4.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,Zhang, Qi,Ma, Longlong,et al. Insight into the solvent, temperature and time effects on the hydrogenolysis of hydrolyzed lignin[J]. BIORESOURCE TECHNOLOGY,2016,221:568-575.
APA Shu, Riyang.,Zhang, Qi.,Ma, Longlong.,Xu, Ying.,Chen, Pengru.,...&Wang, Tiejun.(2016).Insight into the solvent, temperature and time effects on the hydrogenolysis of hydrolyzed lignin.BIORESOURCE TECHNOLOGY,221,568-575.
MLA Shu, Riyang,et al."Insight into the solvent, temperature and time effects on the hydrogenolysis of hydrolyzed lignin".BIORESOURCE TECHNOLOGY 221(2016):568-575.
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