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dc.contributor.authorRiva, Lorenzo
dc.contributor.authorWang, Liang
dc.contributor.authorRavenni, Giulia
dc.contributor.authorBartocci, Pietro
dc.contributor.authorVidem Buø, Therese
dc.contributor.authorSkreiberg, Øyvind
dc.contributor.authorFantozzi, Francesco
dc.contributor.authorNielsen, Henrik Kofoed
dc.date.accessioned2021-05-05T13:41:28Z
dc.date.available2021-05-05T13:41:28Z
dc.date.created2021-01-13T09:52:54Z
dc.date.issued2021
dc.identifier.issn0360-5442
dc.identifier.urihttps://hdl.handle.net/11250/2753745
dc.description.abstractThe optimization of upscaled biochar pelleting is limited by lack of knowledge regarding the effects of process parameters. A multiparameter model, coupled to a single pellet press unit, was for the first time applied to biochar production to predict the upscaled biochar pelleting process behavior. The model permits to estimate in a time and cost-effective way how the die friction forces, quantified through the pellet exiting pressure, are affected by the key process parameters. It was observed that to achieve acceptably low exiting pressures (in the order of 100 MPa), it was critical to produce biochar at high temperatures (e.g. 600 °C). Addition of water as a binder is also beneficial, while pelletization temperature does not significantly affect the exiting pressure. Furthermore, when pyrolysis oil was used as a binder, lower exiting pressures were measured. Biochar returned higher exiting pressure values compared with untreated wood, but lower compared with torrefied wood. Moreover, the correlation between density and compressive strength was also examined. It was found that the exiting pressure trend is a good indicator to estimate the mechanical quality of the pellets.en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleConsiderations on factors affecting biocarbon densification behavior based on a multiparameter modelen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holderThe Authorsen_US
dc.source.volume221en_US
dc.source.journalEnergyen_US
dc.identifier.doi10.1016/j.energy.2021.119893
dc.identifier.cristin1870374
dc.relation.projectNorges forskningsråd: 294679en_US
dc.source.articlenumber119893en_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode2


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