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Fast pyrolysis of biomass residues in a twin-screw mixing reactor

Funke, Axel; Richter, Daniel; Niebel, Andreas; Dahmen, Nicolaus; Sauer, Jörg

Abstract (englisch):
Fast pyrolysis is being increasingly applied in commercial plants worldwide. They run exclusively on woody biomass, which has favorable properties for conversion with fast pyrolysis. In order to increase the synergies of food production and the energetic and/or material use of biomass, it is desirable to utilize residues from agricultural production, e.g., straw. The presented method is suitable for converting such a material on an industrial scale. The main features are presented and an example of mass balances from the conversion of several biomass residues is given. After conversion, fractionated condensation is applied in order to retrieve two condensates — an organic-rich and an aqueous-rich one. This design prevents the production of fast pyrolysis bio-oil that exhibits phase separation. A two phase bio-oil is to be expected because of the typically high ash content of straw biomass, which promotes the production of water of reaction during conversion.


Zugehörige Institution(en) am KIT Institut für Katalyseforschung und -Technologie (IKFT)
Publikationstyp Zeitschriftenaufsatz
Jahr 2016
Sprache Englisch
Identifikator DOI: 10.3791/54395
ISSN: 1940-087X
KITopen ID: 1000059061
HGF-Programm 35.13.02; LK 01
Erschienen in Journal of visualized experiments
Heft 115
Seiten e54395
Schlagworte Biomass, thermochemical conversion, fast pyrolysis, biofuels, bio-oil, agricultural residues
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