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http://dx.doi.org/10.7584/ktappi.2016.48.1.119

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

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)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.48, no.1, 2016 , pp. 119-126 More about this Journal
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
High-boiling point solvent; selectivity of delignification; yield; residual lignin; organosolv pulping;
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Times Cited By KSCI : 1  (Citation Analysis)
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