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Titel:
Lignin fast pyrolysis: Results from an international collaboration
 
Auteur(s):
Nowakowski, D.J.; Bridgwater, A.V.; Elliott, D.C.; Meier, D.; Wild, P.J. de
 
Gepubliceerd door: Publicatie datum:
ECN Biomassa, Kolen en Milieuonderzoek 13-8-2010
 
ECN publicatienummer: Publicatie type:
ECN-W--10-026 Artikel wetenschap tijdschrift
 
Aantal pagina's:
22  

Gepubliceerd in: Journal of Analytical and Applied Pyrolysis (Elsevier), , 2010, Vol.10.1016/j.jaap.2010.02.009, p.-.

Samenvatting:
An international study of fast pyrolysis of lignin was undertaken. Fourteen laboratories in eight different countries contributed. Two lignin samples were distributed to the laboratories for analysis and bench-scale process testing in fast pyrolysis. Analyses included proximate and ultimate analysis, thermogravimetric analysis, and analytical pyrolysis. The bench-scale test included bubbling fluidized-bed reactors and entrained-flow systems. Based on the results of the various analyses and tests it was concluded that a concentrated lignin (estimated at about 50% lignin and 50% cellulose) behaved like a typical biomass, producing a slightly reduced amount of a fairly typical bio-oil, while a purified lignin material was difficult to process in the fast pyrolysis reactors and produced a much lower amount of a different kind of bio-oil. It was concluded that for highly concentrated lignin feedstocks new reactor designs will be required other than the typical fluidized-bed fast pyrolysis systems.


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