Bronsted acidic ionic liquid-catalyzed conversion of hemicellulose into sugars

被引：62
|
作者：
Matsagar, Babasaheb M. [1 ]
Dhepe, Paresh L. [1 ]
机构：
[1] Natl Chem Lab, CSIR, Catalysis & Inorgan Chem Div, Pune 411008, Maharashtra, India
来源：
CATALYSIS SCIENCE & TECHNOLOGY | 2015年 / 5卷 / 01期
关键词：
LIGNOCELLULOSIC BIOMASS; HYDROLYSIS; CELLULOSE; XYLOSE; OPPORTUNITIES; PRETREATMENT; DISSOLUTION; CHALLENGES; CHLORIDE; ETHANOL;
D O I：
10.1039/c4cy01047g
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Development of a competent method for the conversion of hemicellulose, a lignocellulosic component, into sugars is essential. In a one-pot method, Bronsted acidic ionic liquid (BAIL)-catalyzed hydrolysis of hardwood hemicellulose at 160 degrees C in water media gave C5 sugars (xylose + arabinose) in 87% yield. The efficiency of the ILs and their acid strength both followed the similar trend, [C3SO3HMIM][HSO4] > [C3SO3HMIM][PTS] > [C3SO3HMIM][Cl] > [BMIM][Cl]. The ion-dipole-type interaction present between the BAIL and the substrate, which is proposed by the H-1 NMR study, is suggested to help in achieving better activity with BAIL than with mineral acid, H2SO4.
引用
收藏
页码：531 / 539
页数：9
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