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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Delignification of Lignocellulosic Biomass with High-Boiling Point Solvent and Acidic Catalyst

고비점 용제와 산 촉매에 의한 목질 바이오매스의 탈리그닌

  • Kim, Kang-Jae (Dept. of of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Jung, Jin-Dong (Dept. of of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Jung, Soo-Eun (Dept. of of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Hong, Sung-Bum (Dept. of of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University) ;
  • Eom, Tae-Jin (Dept. of of Wood Science and Technology, College of Agriculture and Life Science, Kyungpook National University)
  • 김강재 (경북대학교 농업생명과학대학 임산공학과) ;
  • 정진동 (경북대학교 농업생명과학대학 임산공학과) ;
  • 정수은 (경북대학교 농업생명과학대학 임산공학과) ;
  • 홍성범 (경북대학교 농업생명과학대학 임산공학과) ;
  • 엄태진 (경북대학교 농업생명과학대학 임산공학과)
  • Received : 2016.02.03
  • Accepted : 2016.02.17
  • Published : 2016.02.28
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Abstract

In this study, we separated the lignin from the wood by using the high boiling point solvent for developing more environmental friendly pulping method. High boiling point solvents as Ethers, glycols and ketones were used to remove the lignin in the pine wood meals. The Yield and lignin content of residual wood meals was reduced according to the input of the catalyst. Me-C, E-Ca, TEG and MIBK had the best delignification rate of 9 kinds of high-boiling point solvents. At the hydrolysis ratio of the selected solvents, The TEG was highest remain ratio of carbohydrates and the E-Ca was lowest remain ratio of lignin. And the Me-C was most excellent lignin hydrolysis ratio at the low catalyst. The selectivity of delignification of Me-C, E-Ca, TEG and MIBK solvents were 49.6, 49.9, 53.8 and 53.1%, respectively, and its values were similar to those of the commercial Kraft Pulp.

Keywords

References

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