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Comparison and evaluation of concurrent saccharification and anaerobic digestion of Napier grass after pretreatment by three microbial consortia.

Abstract：

:Napier grass is potentially a viable feedstock for biofuel production. The present study investigated biological pretreatment of Napier grass by three microbial consortia followed by saccharification and anaerobic digestion. The pretreatment efficiencies of three microbial consortia were compared in terms of degradation ability, saccharide and biogas yield. The lignocellulose loss rates of Napier grass varied largely. The biomass pretreated by the consortium WSD-5 gave 43.4% and 66.2% total sugar yield under low and moderate loadings of commercial enzyme mixtures, while the highest yield was 83.2% pretreated by the consortium MC1 under a high enzyme loading. The maximum methane yield of pretreated samples by the consortia MC1, WSD-5 and XDC-2 were 259, 279, 247ml/g VS, respectively, which were 1.39, 1.49 and 1.32times greater than the values of the untreated controls. This study showed that pretreatments by MC1, WSD-5 and XDC-2 were capable of significantly enhancing both the saccharide and methane yields from Napier grass.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Wen B,Yuan X,Li QX,Liu J,Ren J,Wang X,Cui Z

doi

10.1016/j.biortech.2014.10.043

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

102-11

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(14)01465-5

journal_volume

175

pub_type

杂志文章

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