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Slow pyrolysis of cork granules under nitrogen atmosphere: by-products characterization and their potential valorization

2022-03Journal article Open access
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dc.contributor.authorCosta, Paula
dc.contributor.authorBarreiros, M. Alexandra
dc.contributor.authorMouquinho, Ana
dc.contributor.authorSilva, P. Oliveira e
dc.contributor.authorParadela, Filipe
dc.contributor.authorOliveira, Fernando Almeida Costa
dc.date.accessioned2022-10-14T14:51:33Z
dc.date.available2022-10-14T14:51:33Z
dc.date.issued2022-03
dc.description.abstractABSTRACT: Cork granules (Quercus suber L.) were slowly pyrolyzed at temperatures between 400-700 degrees C and under N-2 flow. While preserving its structure, some cells of the cork biochar became interconnected, allowing such carbon residue to be used as templates for manufacturing ceria redox materials. The pyrolytic char morphology was similar to that of the natural precursor. The produced cork biochar belonged to Class 1 (C > 60%) and possessed a high heating value of 32 MJ kg(-1). Other pyrolysis-derived compounds were identified and quantified through GC-FID and GC-MS analyses. The yield of gases released during cork pyrolysis was strongly dependent on the temperature used due to the thermal decomposition reactions involved in the degradation of cork. In particular, rising pyrolysis temperature from 500 to 700 T resulted in reducing the total hydrocarbon gases from 74 to 24 vol%. On the other hand, the yield of H-2 increased from 0 to 58% by increasing the pyrolysis temperature from 400 to 700 T. Due to the presence of suberin in cork, the composition and yield of bio-oil could be regulated by the pyrolysis temperature. Cork bio-oil was found to consist of long-chain hydrocarbons (from C11 to C24). The bio-oil resulting from the slow pyrolysis of cork residues is suitable as an appropriate feedstock for producing aliphatic-rich pyrolytic biofuels or as a source of olefms. Overall, the findings of this study suggest that Quercus suber L. could be a promising feedstock for biochar and biofuel production through the pyrolytic route and could contribute to the environmental and economic sustainability of the cork production industry.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationCosta, Paula A... [et.al.] - Slow pyrolysis of cork granules under nitrogen atmosphere: by-products characterization and their potential valorization. In: Biofuel Research Journal, 2022, vol.33, p. 1562-1572pt_PT
dc.identifier.doi10.18331/BRJ2022.9.1.3pt_PT
dc.identifier.issn2292-8782
dc.identifier.urihttp://hdl.handle.net/10400.9/3919
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBRTeampt_PT
dc.relationPOCI-01-0145-FEDER-01686pt_PT
dc.relationALT20-03-0145-FEDER-022113pt_PT
dc.relationScientific and Technological Alliance for Guaranteeing the European Excellence in Concentrating Solar Thermal Energy
dc.relationSolar Facilities for the European Research Area-Second Phase
dc.relation.publisherversionhttps://doi.org/10.18331/BRJ2022.9.1.3pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBioenergypt_PT
dc.subjectPyrolysispt_PT
dc.subjectCorkpt_PT
dc.subjectSustainabilitypt_PT
dc.titleSlow pyrolysis of cork granules under nitrogen atmosphere: by-products characterization and their potential valorizationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleScientific and Technological Alliance for Guaranteeing the European Excellence in Concentrating Solar Thermal Energy
oaire.awardTitleSolar Facilities for the European Research Area-Second Phase
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FCTM-ENE%2F6762%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/609837/EU
oaire.awardURIinfo:eu-repo/grantAgreement/EC/FP7/312643/EU
oaire.citation.endPage1572pt_PT
oaire.citation.startPage1562pt_PT
oaire.citation.titleBiofuel Research Journalpt_PT
oaire.citation.volume33pt_PT
oaire.fundingStream9471 - RIDTI
oaire.fundingStreamFP7
oaire.fundingStreamFP7
person.familyNameCosta
person.familyNameBarreiros
person.familyNameMouquinho
person.familyNameParadela
person.familyNameOliveira
person.givenNamePaula
person.givenNameMaria Alexandra
person.givenNameAna
person.givenNameFilipe
person.givenNameFernando
person.identifierL-4674-2014
person.identifier647144
person.identifier.ciencia-id2A1B-0AB6-B0FB
person.identifier.ciencia-id271D-7B29-E46C
person.identifier.ciencia-id6614-5797-6DF1
person.identifier.ciencia-id561B-597F-9D55
person.identifier.orcid0000-0003-2024-4267
person.identifier.orcid0000-0002-0132-4969
person.identifier.orcid0000-0002-2723-9973
person.identifier.orcid0000-0001-7928-7339
person.identifier.orcid0000-0002-1503-0152
person.identifier.ridP-6395-2015
person.identifier.ridA-2312-2011
person.identifier.scopus-author-id6603680496
person.identifier.scopus-author-id26031123400
person.identifier.scopus-author-id23019925500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameEuropean Commission
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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