Abstract：
:Oil palm empty fruit bunch (EFB) was pretreated by Formiline process to overcome biomass recalcitrance and obtain hemicellulosic syrup and lignin. Higher formic acid concentration led to more lignin removal but also higher degree of cellulose formylation. Cellulose digestibility could be well recovered after deformylation with a small amount of lime. After digested by enzyme loading of 15 FPU+10 CBU/g solid for 48 h, the polysaccharide conversion could be over 90%. Simultaneous saccharification and fermentation (SSF) results demonstrated that ethanol concentration reached 83.6 g/L with approximate 85% of theoretic yield when performed at an initial dry solid consistency of 20%. A mass balance showed that via Formiline pretreatment 0.166 kg of ethanol could be produced from 1 kg of dry EFB with co-production of 0.14 kg of high-purity lignin and 5.26 kg hemicellulosic syrup containing 2.8% xylose. Formiline pretreatment thus can be employed as an entry for biorefining of EFB.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Cui X,Zhao X,Zeng J,Loh SK,Choo YM,Liu Ddoi
10.1016/j.biortech.2014.05.102subject
Has Abstractpub_date
2014-08-01 00:00:00pages
584-91eissn
0960-8524issn
1873-2976pii
S0960-8524(14)00810-4journal_volume
166pub_type
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