Fractional pretreatment of hybrid poplar for accelerated enzymatic hydrolysis: characterization of cellulose-enriched fraction

Bioresource Technology
Ling Yan MengRun Cang Sun

Abstract

The efficient production of fermentable sugars is a prerequisite for economic ethanol production from lignocellulosic biomass. A cellulose-enriched fraction was obtained by complete dissolution of ball-milled hybrid poplar wood in dimethyl sulfoxide and lithium chloride (DMSO/LiCl). The cellulose-enriched fraction was mainly composed of glucose and xylose. Spectral fitting analysis of CP/MAS (13)C NMR revealed that the cellulose-enriched fraction had para-crystalline structures with somewhat larger contents of crystalline cellulose І(β) than І(α). The cellulose-enriched fraction was much easier to be converted into mono sugars by cellulases than the untreated sample. Scanning electron microscopy (SEM) indicated that the cellulose-enriched fraction was porous, which could likely explain the high enzymatic hydrolysis efficiency. This study provides a novel pretreatment method based on fractional separation of the three biopolymers via complete dissolution system for enhancement of conversion from ignocellulose to biofuels.

References

Oct 9, 1999·Biotechnology Progress·S D MansfieldJ N Saddler
Jun 13, 2002·Bioresource Technology·Ye Sun, Jiayang Cheng
Dec 14, 2004·Bioresource Technology·Nathan MosierMichael Ladisch
Jan 20, 1984·Science·R H Atalla, D L Vanderhart
Oct 9, 2007·Bioresource Technology·Emanuela LocciFlaminia Cesare Marincola
Jul 5, 2008·Bioresource Technology·A T W M Hendriks, G Zeeman
Sep 30, 2008·Journal of Biotechnology·Hua ZhaoVernecia N Person
Feb 2, 2010·Journal of Agricultural and Food Chemistry·Yong Sun, Lu Lin

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