Soda and Soda-AQ Pulps Properties from African Tulip Tree

Jai-Sung Lee; Woo-Yong Song; Soo-Jeong Shin

doi:10.7584/ktappi.2015.47.5.085

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Soda and Soda-AQ Pulps Properties from African Tulip Tree 아프리카 튤립으로 제조한 soda 및 soda-AQ 펄프의 특성

30 October 2015. pp. 85-90

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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.

Keywords

African tulip

soda-AQ pulp

soda pulp

Kappa number

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 47
No :5
Pages :85-90
Received Date : 2015-09-15
Revised Date : 2015-10-19
Accepted Date : 2015-10-21
DOI :https://doi.org/10.7584/ktappi.2015.47.5.085

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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Literature Cited