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Issue 3, 2014
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Lignin extraction from biomass with protic ionic liquids

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Abstract

A highly effective method has been developed for the simple extraction of lignin from lignocellulosic biomass using a potentially inexpensive protic ionic liquid (PIL). After the lignin-extraction step, the PIL is easily recovered using distillation leaving the separated lignin and cellulose-rich residues available for further processing. Biopolymer solubility tests indicate that increasing the xylan (i.e., hemicellulose) solubility in the PIL results in greater fiber disruption/penetration, which significantly enhances the effectiveness of the lignin extraction.

Graphical abstract: Lignin extraction from biomass with protic ionic liquids

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Supplementary files

Article information


Submitted
08 Nov 2013
Accepted
04 Dec 2013
First published
05 Dec 2013

Green Chem., 2014,16, 1114-1119
Article type
Communication
Author version available

Lignin extraction from biomass with protic ionic liquids

E. C. Achinivu, R. M. Howard, G. Li, H. Gracz and W. A. Henderson, Green Chem., 2014, 16, 1114
DOI: 10.1039/C3GC42306A

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