Composition of Products of Birch Wood Delignification by Hydrogen Peroxide in the Medium "Acetic Acid - Water - Catalyst TiO2"

被引：3

作者：

Garyntseva, Natalia, V ^{[1
]}

Sudakova, Irina G. ^{[1
]}

Kondrasenko, Alexander A. ^{[1
]}

Skripnikov, Andrey M. ^{[1
]}

Kuznetsov, Boris N. ^{[1
]}

Taran, Oxana P. ^{[2
]}

Agabekov, Vladimir E. ^{[3
]}

机构：

[1] SB RAS, Inst Chem & Chem Technol, 50-24 Akademgorodok, Krasnoyarsk 660049, Russia

[2] Boreskov Inst Catalysi, Novosibirsk 630090, Russia

[3] NAS Belarus, Inst Chem New Mat, Minsk 220141, BELARUS

来源：

JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-CHEMISTRY | 2015年 / 8卷 / 03期

关键词：

birch wood; delignification; hydrogen peroxide; acetic acid; TiO2; catalyst; cellulose; soluble products; structure; composition;

D O I：

10.17516/1998-2836-2015-8-3-450-464

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The composition and structure of the solid and soluble products of birch wood delignification by H2O2 in the presence of TiO2 catalyst were studied. The efficient delignification of wood proceeds at 100 degrees C and atmospheric pressure. The obtained microcrystalline cellulose (yield 48.2% mass.), has crystallinity index 0.81 and contain 93.7% mass. cellulose, 5.5% mass. hemicelluloses and 0.5% mass. lignin. Soluble products of birch wood peroxide delignification are mainly presented by 4-O-methyl-glucuronoxylan (84% rel.), monosaccharides and they contain very few aromatic compounds.

引用

页码：450 / 464

页数：15

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