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Ozonolysis pretreatment of maize stover: the interactive effect of sample particle size and moisture on ozonolysis process.

Abstract：

:Maize stover was ozonolyzed to improve the enzymatic digestibility. The interactive effect of sample particle size and moisture content on ozonolysis was studied. After ozonolysis, both lignin and xylan decreased while cellulose was only slightly affected in all experiments. It was also found that the smaller particle size is better for ozonolysis. The similar water activity of the different optimum moisture contents for ozonolysis reveals that the free and bound water ratio is a key factor of ozonolysis. The best result of ozonolysis was obtained at the mesh of -300 and the moisture of 60%, where up to 75% lignin was removed. The glucose yield after enzymatic hydrolysis increased from 18.5% to 80%. Water washing had low impact on glucose yield (less than 10% increases), but significantly reduced xylose yield (up to 42% decreases). The result indicates that ozonolysis leads to xylan solubilization.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Li C,Wang L,Chen Z,Li Y,Wang R,Luo X,Cai G,Li Y,Yu Q,Lu J

doi

10.1016/j.biortech.2015.01.042

subject

Has Abstract

pub_date

2015-05-01 00:00:00

pages

240-7

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(15)00062-0

journal_volume

183

pub_type

杂志文章

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