Steam explosion treatments of technical hydrolysis lignin

被引：1
|
作者：
Krutov, Stepan [1 ]
Ipatova, Elena [1 ]
Vasilyev, Aleksander [1 ]
机构：
[1] St Petersburg State Forest Tech Univ, Dept Chem, St Petersburg, Russia
来源：
HOLZFORSCHUNG | 2017年 / 71卷 / 7-8期
关键词：
acid hydrolysis lignin; C-13 NMR of lignins; FTIR spectroscopy of lignin; hydrolysis lignin; organic industrial wastes; steam explosion; EUCALYPTUS-GLOBULUS WOOD; AUTOHYDROLYSIS;
D O I：
10.1515/hf-2016-0176
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
Technical hydrolysis lignins, both freshly obtained and stored longterm under atmosphere conditions, were treated by steam explosion (SE, 235 degrees C/3.2 MPa) for 1, 2, and 3 min. The SE treated lignins were characterized by means of solid-state C-13 nuclear magnetic resonance (NMR) and Fourier transform infrared (FTIR) spectroscopy. It was found that SE leads to significant changes in morphological and chemical properties of lignin due to oxidation, condensation and hydrolytic destruction.
引用
收藏
页码：571 / 574
页数：4
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