Impact of ionic liquid 1-ethyl-3-methylimidazolium acetate mediated extraction on lignin features
Abstract: This study aims at investigating the impact of ionic liquid extraction on lignin structure by studying the mechanism of lignin depolymerization in 1-ethyl-3-methylimidazolium acetate EMIM[OAc]) and comparing it with that of organosolv and milled wood methods. Ionic liquid mediated lignin (ILL) using EMIM[OAc]), ethanol organosolv lignin (EOL) and milled wood lignin (MWL) were isolated from Typha capensis (TC) and subjected to several analytical characterizations. Experimental data shows that ILL exhibited a relatively lower degree of condensation, lower aromatic C-C structures and a higher aliphatic OH with values of 0.42/Ar, 1.94/Ar and 1.33/Ar moieties compared with EOL values of 0.92/Ar, 2.22/Ar and 0.51/Ar moieties respectively. The ILL was depolymerized under mild conditions giving relatively higher β-aryl ether linkages content, higher molecular mass, and exhibited closer structures and reactivity to native lignin than EOL. These insights on TC lignin depolymerization in EMIM[OAc]) acetate may contribute to better value-addition of lignocellulosic biomass
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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Green and sustainable chemistry. - 07, 02 (2017) , 114-140, ISSN: 2160-696X
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2019
- Urheber
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Audu, Idi Guga
Ziegler-Devin, Isabelle
Winter, Heiko
Bremer, Martina
Hoffmann, Anton
Fischer, Steffen
Laborie, Marie-Pierre
Brosse, Nicolas
- DOI
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10.4236/gsc.2017.72010
- URN
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urn:nbn:de:bsz:25-freidok-1385534
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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25.03.2025, 13:49 MEZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Audu, Idi Guga
- Ziegler-Devin, Isabelle
- Winter, Heiko
- Bremer, Martina
- Hoffmann, Anton
- Fischer, Steffen
- Laborie, Marie-Pierre
- Brosse, Nicolas
- Universität
Entstanden
- 2019
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