Hemicellulose hydrolysis and hydrolytic hydrogenation over proton- and metal modified beta zeolites

被引：32

作者：

Faba, Laura ^{[1
,2
]}

Kusema, Bright T. ^{[1
]}

Murzina, Elena V. ^{[1
]}

Tokarev, Anton ^{[1
]}

Kumar, Narendra ^{[1
]}

Smeds, Annika ^{[3
]}

Diaz, Eva ^{[2
]}

Ordonez, Salvador ^{[2
]}

Maki-Arvela, Paivi ^{[1
]}

Willfor, Stefan ^{[3
]}

Salmi, Tapio ^{[1
]}

Murzin, Dmitry Yu ^{[1
]}

机构：

[1] Abo Akad Univ, Proc Chem Ctr, Dept Chem Engn, Lab Ind Chem & React Engn, FI-20500 Turku, Finland

[2] Univ Oviedo, Dept Chem & Environm Engn, Oviedo 33006, Spain

[3] Abo Akad Univ, Proc Chem Ctr, Dept Chem Engn, Lab Wood & Paper Chem, FI-20500 Turku, Finland

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2014年 / 189卷

基金：

芬兰科学院;

关键词：

Arabinogalactan; Bifunctional catalysis; Biomass upgrading; Beta zeolites; Hydrolysis; STRUCTURAL FEATURES; NORWAY SPRUCE; CELLULOSE; GLUCOSE; CONVERSION; CHEMICALS; SUGARS; WOOD;

D O I：

10.1016/j.micromeso.2013.08.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The hydrolytic hydrogenation of hemicellulose arabinogalactan using different beta zeolites as catalysts was studied in this work. The use of bifunctional Ru/beta zeolite catalysts leads to formation of valuable polyols (galactitol, arabitol) from hemicellulose. The presence of acid sites enhances hydrolysis of the hemicelluloses into sugars in addition to homogeneous hydrolysis while the Ru catalyzes further hydrogenation into polyols. Using bifunctional catalysts the stability of these polyols can be also enhanced because the side reactions to HMF and furfural were minimized, however formation of high molecular weight compounds (aggregates of sugars and humins) was still quite substantial. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：189 / 199

页数：11

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