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Relationship between characteristics of ethanol organosolv lignin and productivity of phenolic monomers by solvolysis

Cited 7 time in Web of Science Cited 8 time in Scopus
Authors
Kim, Ho-Yong; Jang, Soo-Kyeong; Hong, Chang-Young; Choi, Joon Weon; Choi, In-Gyu
Issue Date
2016-02
Publisher
ELSEVIER SCI LTD
Citation
Fuel, Vol.186, pp. 770-778
Keywords
Relationship between characteristics of ethanol organosolv lignin and productivity of phenolic monomers by solvolysis자연과학Ethanol organosolv ligninCombined severity factorNitrobenzene oxidationSolvolysisPhenolic monomers
Abstract
This paper describes the effect of the structural properties of ethanol organosolv lignin (EOL) on the productivity of phenolic monomers by solvolysis. EOL was isolated from yellow poplar as a function of the fractionation combined severity (CSF). Structural properties of EOL such as volatile matter, molecular weight, and nitrobenzene oxidation (NBO) yield were significantly decreased with the increasing severity.

The highest EOL yield (12.9 wt.%) was obtained at CSF 2.0, but it also showed a significant decrement of NBO yield and molecular weight, and as a result, the yield of phenolic monomers after solvolysis was low (23.3 mg/g EOL). Despite of slight low fractionation yield (9.0 wt.%), the maximum yield of phenolic monomers after solvolysis was obtained from EOL fractionated at CSF 0.6 (40.4 mg/g EOL; 3.6 g/kg dry biomass), which has a considerably high NBO yield and aryl-ether linkages than EOL fractioned at higher CSF.
ISSN
0016-2361
Language
English
URI
https://hdl.handle.net/10371/116948
DOI
https://doi.org/10.1016/j.fuel.2016.09.023
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Forest Sciences (산림과학부)Journal Papers (저널논문_산림과학부)
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