Title:
Hydrothermal Liquefaction of Lignin
Author(s):
Schuler, J., Hornung, U., Kruse, A., Sauer, J.
Document(s):
Paper
Slide presentation
Abstract:
Currently the majority of platform chemicals are provided through crude oil processing. Nevertheless, the ecological aim should be the substitution of the crude oil with biomass. Lignin, an aromatic macromolecule, may play an important role in that exchange, as it is the only biobased source of aromatic compounds. For instance, it could be a source of bifunctional aromatic molecules, like the monocyclic compounds catechol or guaiacol, or bifunctional oligomers. However, no process for the production of aromatics from lignin in technical scale has been established until now. Hence, the focus of this work is to clarify the chemical degradation mechanism under hydrothermal conditions, to liquefy lignin delivering high functional molecules and to increase the yield and selectivity of the cleavage towards bifunctional molecules like catechol. The combination of fast hydrolysis, thermal degradation reactions, and hydrogenation drives the hydrothermal liquefaction; this gives the possibility to narrow down the product spectrum in comparison to other "dry" cleavage methods, towards a higher yield of e.g. catechols.
Keywords:
lignin liquefaction, hydrothermal cleavage, chemical use of biomass
Topic:
Biomass Conversion Technologies for Liquid and Gaseous Fuels, Chemicals and Materials
Subtopic:
Production and application of biobased chemicals
Event:
24th European Biomass Conference and Exhibition
Session:
3BP.3.3
Pages:
985 - 989
ISBN:
978-88-89407-165
Paper DOI:
10.5071/24thEUBCE2016-3BP.3.3
Price:
FREE
