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OPTIMIZING EXTRACTION AND STRUCTURAL CHARACTERIZATION OF ORGANOSOLV LIGNIN FROM WHEAT STRAW
Li, He-Long1; She, Diao1; Paipeng1; Xu, Qiang1; Liu, Jia-Kun1; Zhang, Xue-Ming1; Zeng-Chaogeng1; She, D (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; She, D (reprint author), CAS & MWR, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
SubtypeArticle
2017
Source PublicationCELLULOSE CHEMISTRY AND TECHNOLOGY
ISSN0576-9787
description.correspondentemaildiaoshe@ms.iswc.ac.cn
Volume51Issue:5-6Pages:433-445
AbstractOrganosolv lignin from wheat straw was isolated with 1,3-butanediol at different temperatures (100, 120, 140, 160 and 180 degrees C) for 3 h and at 180 degrees C for different time periods (1, 1.5, 2, 2.5 and 5 h), respectively. The yield of the lignin fractions was generally high, the highest yield could reach 76.6% of the original lignin content. The most striking characteristics of these lignin fractions were the almost complete absence of neutral sugars (0.87%) and their low molecular weights (1500-2520 g/mol) with narrow polydispersities. Results showed that the organosolv lignin fractions contained a small amount of non-condensed guaiacyl, syringyl and p-hydroxyphenyl units, and a higher proportion of syringyl units was detected in the lignin fraction with a prolongation of the treatment time. Moreover, C-13-NMRand 2D HSQC spectra showed that the process did not significantly change the typical structure of the lignin.
KeywordOrgansolv Lignin Wheat Straw 2d-hsqc Structural Characterization
Subject AreaMaterials Science
Indexed BySCI
Publication PlaceBUCURESTI
Language英语
WOS IDWOS:000413719200006
PublisherEDITURA ACAD ROMANE
Funding OrganizationNational Natural Science Foundation of China [31370368, 31170557]; West Light Foundation of The Chinese Academy of Science ; National Natural Science Foundation of China [31370368, 31170557]; West Light Foundation of The Chinese Academy of Science
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Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/7993
Collection水保所科研产出--SCI_2017--SCI
Corresponding AuthorShe, D (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.; She, D (reprint author), CAS & MWR, Inst Soil & Water Conservat, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, Coll Resources & Environm, Yangling 712100, Peoples R China
2.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
3.CAS & MWR, Inst Soil & Water Conservat, Yangling 712100, Peoples R China
4.Northwest A&F Univ, Coll Forestry, Yangling 712100, Peoples R China
5.Chinese Acad Sci, Res Ctr Soil & Water Conservat & Ecol Environm, Yangling 712100, Peoples R China
6.Minist Educ, Yangling 712100, Peoples R China
7.Beijing Forestry Univ, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Li, He-Long,She, Diao,Paipeng,et al. OPTIMIZING EXTRACTION AND STRUCTURAL CHARACTERIZATION OF ORGANOSOLV LIGNIN FROM WHEAT STRAW[J]. CELLULOSE CHEMISTRY AND TECHNOLOGY,2017,51(5-6):433-445.
APA Li, He-Long.,She, Diao.,Paipeng.,Xu, Qiang.,Liu, Jia-Kun.,...&She, D .(2017).OPTIMIZING EXTRACTION AND STRUCTURAL CHARACTERIZATION OF ORGANOSOLV LIGNIN FROM WHEAT STRAW.CELLULOSE CHEMISTRY AND TECHNOLOGY,51(5-6),433-445.
MLA Li, He-Long,et al."OPTIMIZING EXTRACTION AND STRUCTURAL CHARACTERIZATION OF ORGANOSOLV LIGNIN FROM WHEAT STRAW".CELLULOSE CHEMISTRY AND TECHNOLOGY 51.5-6(2017):433-445.
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