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Production of phenolic hydrocarbons from organosolv lignin and lignocellulose feedstocks of hardwood, softwood, grass and agricultural waste

Authors
Son, DeokwonGu, SangseoChoi, Jae-WookSuh, Dong JinJae, JunghoChoi, JungkyuHa, Jeong-Myeong
Issue Date
25-1월-2019
Publisher
ELSEVIER SCIENCE INC
Keywords
Biofuel; Lignin; Depolymerization; Phenolic hydrocarbons; Ru/H beta
Citation
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.69, pp.304 - 314
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume
69
Start Page
304
End Page
314
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/68242
DOI
10.1016/j.jiec.2018.09.009
ISSN
1226-086X
Abstract
Organosolv lignin extracted from the four representative lignocellulose feeds of oil palm empty fruit bunch (agricultural waste), oak (hardwood), pine (softwood) and Miscanthus giganteus (grass) is depolymerized using Ru/H-zeolite beta to produce phenolic hydrocarbons. The bulky methoxy functionality, which is rich in oak and pine, sterically hindered the ether bonds, decreasing the yields of phenolic monomers and improving the beta-beta coupling to repolymerize lignin fragments. Both depolymerization and repolymerization are improved at a higher reaction temperature. The structures and the reaction behavior of organosolv lignin are observed using NMR, GPC, N-2-physisorption, SEM and DLS analysis methods. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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공과대학 (화공생명공학과)
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