Conversion of lignin to aromatic-based chemicals (L-chems) and biofuels (L-fuels)

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DOIResolve DOI: http://doi.org/10.1016/j.biortech.2012.06.061
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TypeArticle
Journal titleBioresource Technology
ISSN09608524
Volume121
Pages328334; # of pages: 7
SubjectLignin; depolymerisation; monomers; oligomers; biofuel
AbstractConversion of lignin into chemicals and biofuels was performed using the commercial Kraft lignin, Indulin AT. Lignin was depolymerised in an aqueous alkaline solution using a continuous flow reactor generating four fractions. First is the gas fraction (mainly CO₂), the second includes methanol, acetic acid and formic acid, thus defined as small organic compounds and third one (up to 19.1 wt.% of lignin) is mostly composed of aromatic monomers. The fourth fraction (45–70 wt.%) contains oligomers (polyaromatic molecules) and modified lignin. Pyrocatechol was the most abundant product at high severities (315°C) with selectivity up to 25.8%. ³¹P NMR showed the loss of almost all aliphatic OH groups and apparition of catechol groups during depolymerisation.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationNational Research Council Canada; Aquatic and Crop Resource Development
Peer reviewedYes
NRC number55021
NPARC number21268415
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Record identifier13b9c928-8271-4816-a0d9-3dab2640c6ac
Record created2013-07-10
Record modified2016-05-09
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