Quality of Mountain Pine Beetle Infested Fibers: Implications on the Production of Pulp and Paper Products

  • Kim, Yong-Sik (Biomaterials Chemistry, Faculty of Forestry, University of British Columbia) ;
  • Obermajer, Alice (Research and Development Group, Canfor Pulp Limited Partnership) ;
  • Korehei, Reza (Biomaterials Chemistry, Faculty of Forestry, University of British Columbia) ;
  • Kadla, John F. (Biomaterials Chemistry, Faculty of Forestry, University of British Columbia) ;
  • Yoon, Byung-Ho (Changgang Institute of Paper Science and Technology, Kangwon National University)
  • 발행 : 2009.03.31

초록

Mountain Pine Beetle (MPB) attacked pine was evaluated for pulp quality, chemical and physical properties, and bleachability. Chemical analyses showed that the dehydroabietic acid and total acetone extractives content were higher in the year 3 (grey) attacked MPB chips and lower in the year 5 (grey) attacked MPB chips as compared to a typical SPF (spruce/pine/fir) reference. Lignin and carbohydrate content of the MPB wood chips were comparable to the SPF. Similarly, there was little difference in kappa number, pulp yield and liquor consumption between the 3 and 5 year MPB attacked wood. Likewise there was no significant difference in the resulting tear strength, burst, or tensile strength. There appeared to be an improved bleaching response in the MPB attacked pulp as compared to the SPF reference, but this was accompanied by a slightly lower bleached pulp yield and higher bleach filtrate COD and solids content.

키워드

참고문헌

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