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An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran
Long, Jinxing; Zhang, Qi; Wang, Tiejun; Zhang, Xinghua; Xu, Ying; Ma, Longlong
2014-02-01
Source PublicationBIORESOURCE TECHNOLOGY
Volume154Pages:10-17
AbstractThe depolymerization of renewable lignin for phenolic monomer, a versatile biochemical and precursor for biofuel, has attracted increasing attention. Here, an efficient base-catalyzed depolymerization process for this natural aromatic polymer is presented with cheap industrial solid alkali MgO and biomass-derived solvent tetrahydrofuran (THF). Results showed that more than 13.2% of phenolic monomers were obtained under 250 degrees C for 15 min, because of the excellent lignin dissolution of THF and its promotion effect on the catalytic activity of MgO. Furthermore, comparison characterization on the raw material, products and residual solid using elemental analysis, FT-IR, TG-DSC, Py-GC-MS and chemo-physical absorption and desorption demonstrated that this base-catalyzed process can inhibit char formation significantly. Whereas, the fact that thermal repolymerization of oligomer on the pore and surface of catalyst resulting in the declination of the catalytic performance is responsible for the residue formation. (C) 2013 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordLignin Phenolic Monomer Tetrahydrofuran Mgo Depolymerization
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2013.12.020
WOS Subject ExtendedAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS KeywordCHEMICALS ; DEGRADATION ; CONVERSION ; CATALYSTS ; BAGASSE
Indexed BySCI
Language英语
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000331461600002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10767
Collection中国科学院广州能源研究所
AffiliationChinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Long, Jinxing,Zhang, Qi,Wang, Tiejun,et al. An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran[J]. BIORESOURCE TECHNOLOGY,2014,154:10-17.
APA Long, Jinxing,Zhang, Qi,Wang, Tiejun,Zhang, Xinghua,Xu, Ying,&Ma, Longlong.(2014).An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran.BIORESOURCE TECHNOLOGY,154,10-17.
MLA Long, Jinxing,et al."An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran".BIORESOURCE TECHNOLOGY 154(2014):10-17.
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