STUDY ON THE STRUCTURAL CHANGE OF LIGNIN DURING AUTO-CATALYZED ETHANOL-WATER PULPING OF ASPEN BY 1H-NMR

STUDY ON THE STRUCTURAL CHANGE OF LIGNIN DURING AUTO-CATALYZED ETHANOL-WATER PULPING OF ASPEN BY 1H-NMR

This study concerns the structural change of lignin during auto-catalyzed ethanol-water pulping of aspen by 1H-NMR. The results showed that the linkages of alkyl-aryl ether of lignin, such as the α-ether linkages (α-O-4) and the β-ether linkages (β-O-4), were broken and the alkyl part formed carbeni...

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Bibliographic Details
Main Authors: Jinghui Zhou, Xinjin Sui, Haiqiang Shi
Format: Article
Language:English
Published: North Carolina State University 2009-08-01
Series:BioResources
Subjects:
Auto-catalyzed
Ethanol-water
Pulping
Aspen
Lignin structure
1H-NMR
Mechanism of delignification
Online Access:http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_04_3_0979_Struc_Change_Lignin_Acidic/397

Internet

http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_04_3_0979_Struc_Change_Lignin_Acidic/397

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