Lignin
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Background
Lignin is a complex and heterogeneous polymer found in wood. It composed of aromatics crosslinked with carbohydrates. If is the second largest component of biomass on Earth and has many applications. Lignin is difficult to decompose in the wild and a dense source of energy when combusted. Lignin may be an a source of aromatic compounds for OSE.
OSE context
Aromatics from lignin
Phenols and benzenes can be produced from lignin using catalytic hydrocracking, high heat with a hydrogen feed.
http://www.google.com/patents/US3105095
http://www.google.com/patents/US4647704
http://www.cellulosechemtechnol.ro/pdf/CCT9(2010)/P.353-363.pdf