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Chemical Characteristics of Ozone Treated Pine Wood Meal  

Kim, Kang-Jae (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
Eom, Tae-Jin (Dept. of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.43, no.1, 2011 , pp. 23-28 More about this Journal
Abstract
The pine wood meal was ozonated in acidic water. A 91.3% of lignin and 13% of polysaccharides in pine wood meal were degraded with 180 min ozonation. The phenolic hydroxyl groups of lignin in ozonated wood meals were increased with ozonation time. The vanillin content in nitrobenzene oxidation products of lignin is decreased with 10 min. ozonation and it was slightly increased with ozonation time. The sugar composition of ozonated wood meals showed that the hemicellulose was more susceptible to ozonation than cellulose. The crystallinity of ozonated wood meal was increased.
Keywords
ozonated pine wood; lignin content; sugar contents; nitro- benzene oxidation; phenolic-OH;
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