Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Chemical Characteristics of Ozone Treated Pine Wood Meal

오존 처리에 의한 소나무 목분의 화학적 성상 변화

  • 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)
  • 김강재 (경북대학교 농업생명과학대학 임산공학과) ;
  • 엄태진 (경북대학교 농업생명과학대학 임산공학과)
  • Received : 2011.02.10
  • Accepted : 2011.03.07
  • Published : 2011.03.30
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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

References

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