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http://dx.doi.org/10.5658/WOOD.2011.39.1.95

Popping Pretreatment for Enzymatic Hydrolysis of Waste Wood  

Kim, Hyun-Joo (Bio-Energy Research institute, Chonnam National University)
Cho, Eun-Jin (Bio-Energy Research institute, Chonnam National University)
Lee, Kwang-Ho (Bio-Energy Research institute, Chonnam National University)
Kim, Su-Bae (Department of Forest Products and Technology (BK21 Program), Chonnam National University)
Bae, Hyeun-Jong (Bio-Energy Research institute, Chonnam National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.39, no.1, 2011 , pp. 95-103 More about this Journal
Abstract
We have investigated pretreatment of waste wood using milling refinery combined with poping method, which can save energy for pretreatment and enzyme loading for enzymatic hydrolysis. The chemical analysis of holocellulose of non and popping treated waste wood showed 65.9% and 58.8%, and the lignin, organic extracts and ash were increased by 3%, 4% and 0.7% after pretreatment, respectively. The reducing sugar yields of pretreated waste wood were increased four times more than non-pretreated one and the synergistic effect of cellulase and xylanase were evaluated compare with individual enzyme treatment. Especially, enzyme cocktail (cellulase 50 U and xylanase 50 U) treatment was very efficient in 1% substrate (50 mg). Also, glucose and xylose conversion rate of pretreated waste wood by GC analysis were 45.9% and 38.7%, respectively.
Keywords
waste wood; popping pretreatment; bioethanol;
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Times Cited By KSCI : 4  (Citation Analysis)
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