Delignification of Pine Wood Meals Using High Boiling Point Solvents and Acidic Catalysts

Sung-Bum Hong; Kang-Jae Kim; Tae-Jin Eom

doi:10.7584/JKTAPPI.2016.12.48.6.131

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2016 Vol.48, Issue 6 Preview Page Next Page

Delignification of Pine Wood Meals Using High Boiling Point Solvents and Acidic Catalysts 고비점 용제와 산 촉매의 종류에 따른 소나무 목분의 탈리그닌화

30 December 2016. pp. 131-136

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Abstract

In this study, we separated the lignin from Pinus densiflora by using the acidic catalyst. High boiling point solvents were used to remove the lignin in the pine wood meals. The high boiling solvents used for delignification of pine wood meals are methyl cellosolve, ethyl carbitol, triethylene glycol and methyl isobutyl ketone. Yield and residual lignin of delignified samples were decreased with acidic catalyst content. Residual lignin was the lowest at 5.2% HCl dosage used E-Ca as high boiling point solvents. Also, delignification was the highest at 5.2% HCl dosage used E-Ca as high boiling point solvents. As the results, the optimum high boiling point solvent and acidic catalyst for delignification of wood were E-Ca and HCl, respectively, and the acid catalyst should not exceed a maximum of 5.2%.

Keywords

Delignification

acidic catalyst

high boiling point solvent

residual lignin

ethyl carbitol

organosolv pulping

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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 : 48
No :6
Pages :131-136
Received Date : 2016-11-04
Revised Date : 2016-12-14
Accepted Date : 2016-12-16
DOI :https://doi.org/10.7584/JKTAPPI.2016.12.48.6.131

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

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Literature Cited