Abstract：
:Pretreatment technology is a prerequisite to facilitate the release of sugars from a lignocellulosic biomass prior to fermentation. Recently, some pretreatment methods have been tried with ionic liquids, but they were still expensive and unpractical. In this study, an efficient pretreatment method using ammonia and ionic liquid was developed for the recovery of bio-digestible cellulose from a lignocellulosic byproduct, rice straw, and the increase of ionic liquid utilization. The combined use of ammonia and ionic liquid ([Emim]Ac) treatment exhibited a synergy effect for rice straw with 82% of the cellulose recovery and 97% of the enzymatic glucose conversion. This cooperative effect showed over 90% of the glucose conversion even with a reduced enzyme usage and incubation time. The ionic liquid was successfully recycled more than 20 times. The 20th-recycled ([Emim]Ac) showed 74% of the cellulose recovery and 78% of the glucose conversion to rice straw. Compared with the conventional pretreatment, our combined method for lignocellulosic biomass pretreatment was an economical and eco-friendly.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Nguyen TA,Kim KR,Han SJ,Cho HY,Kim JW,Park SM,Park JC,Sim SJdoi
10.1016/j.biortech.2010.04.053subject
Has Abstractpub_date
2010-10-01 00:00:00pages
7432-8issue
19eissn
0960-8524issn
1873-2976pii
S0960-8524(10)00738-8journal_volume
101pub_type
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