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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Soda and Soda-AQ Pulps Properties from African Tulip Tree

아프리카 튤립으로 제조한 soda 및 soda-AQ 펄프의 특성

  • Lee, Jai-Sung (Department of Wood and Paper Science, Chungbuk National University) ;
  • Song, Woo-Yong (Department of Wood and Paper Science, Chungbuk National University) ;
  • Shin, Soo-Jeong (Department of Wood and Paper Science, Chungbuk National University)
  • 이재성 (충북대학교 목재종이과학과) ;
  • 송우용 (충북대학교 목재종이과학과) ;
  • 신수정 (충북대학교 목재종이과학과)
  • Received : 2015.09.15
  • Accepted : 2015.10.21
  • Published : 2015.10.30
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Abstract

To use the African tulip tree (Spathodea campanulata) as raw material for chemical pulping, soda and soda-AQ pulping was investigated. In chemical compositional analysis, lignin contents of African tulip (33.1%) was higher than other hardwood such as Yellow poplar (17.5%), Acacia (27.1%), or Eucalyptus (24.2%). Soda or soda-AQ pulping with African tulip tree resulted in yield at 43.4-44.8% with 29.5-34.5 Kappa number, pulping condition with 20-22% active alkali. Kappa number of African tulip tree pulp was quite higher than other tropical hardwood (Eucalyptus or Accacia) with less yield due to higher lignin content in wood. Fiber length and width of pulp from African tulip tree was similar to Accacia pulp and shorter than eucalyptus pulp.

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References

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