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嗜黑液菌厌氧降解过程中木质素结构的变化(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年05期
Page:
34-38
Column:
研究论文
publishdate:
2007-05-20

Article Info:/Info

Title:
Change of Lignin Structure by Anaerobic Degradation of Black-liquor-philic
Article ID:
1000-2006(2007)05-0034-05
Author(s):
QIAO Wei-chuan HONG Jian-guo LI Zhong-zheng*
College of Chemical Engineering Nanjing Forestry University, Nanjing 210037, China
Keywords:
Anaerobic Pulping black liquor Biological degradation Lignin structure
Classification number :
TQ351
DOI:
10.3969/j.jssn.1000-2006.2007.05.008
Document Code:
A
Abstract:
The study on anaerobic decomposed of lignin by black-liquor-philic fungus was carried out in this paper. The elemental components, molecular weight, fund and IR, 1H-NMR of lignin sample after anaerobic reaction were investigated. The result showed that in the anaerobic decomposition the lignin which molecular weight was bigger than 4950 was fragmented. The coumaran, toupentine structure and β-O-4, β-β link disappeared because of fragmentation. At the same time, demethoxylation and dehydroxylation took place in the anaerobic reaction, and dissolvability lower molecular compound was produced.

References

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Last Update: 2013-05-20