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Thermogravimetric analysis of high-density cork granules using isoconversional methods

2022Conference object Open access
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dc.contributor.authorRibeiro, A.M.
dc.contributor.authorRamalho, Elisa
dc.contributor.authorPimenta, Maria Paula
dc.contributor.authorPilão, Rosa Maria
dc.date.accessioned2022-05-10T10:53:10Z
dc.date.available2022-05-10T10:53:10Z
dc.date.issued2022
dc.description.abstractIn the present work thermogravimetric techniques were used to study the thermal degradation of high-density cork granules. Pyrolysis experiments were carried out for four heating ramps (10, 15, 20 and 25 °C.min−1), using nitrogen as the carrier gas. From the differential thermogravimetric (DTG) curves it was seen that degradation mainly occurs from 220 °C to 525 °C for the main components of cork (suberin, lignin, cellulose, and hemicellulose). It was also observed that for temperatures higher than 525 °C and up to 900 °C, lignin continued to decompose. Activation energies were calculated using the data obtained and the two isoconversional methods Kissinger–Akahira–Sunose (KAS) and Flynn–Wall–Ozawa (FWO). For the KAS method, and for degrees of conversion between 0.10 and 0.85, the activation energies varied between 232.2 and 353.0 kJ.mol−1. Using the FWO method and for the same degrees of conversion, the activation energies were in the range of 230.0 to 346.6 kJ.mol−1. These values agree with data provided by other authors, for different lignocellulosic biomass.pt_PT
dc.description.sponsorshipThe authors acknowledge “FCT – Fundação para a Ciência e Tecnologia, Portugal ” for the financial support of this work under Research Project UID/EQU/04730/2019.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.egyr.2022.01.100pt_PT
dc.identifier.issn2352-4847
dc.identifier.urihttp://hdl.handle.net/10400.22/20478
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationCenter for Innovation in Industrial Engineering and Technology
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S2352484722001007pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectCork granulept_PT
dc.subjectKinetic analysispt_PT
dc.subjectPyrolysispt_PT
dc.subjectThermogravimetric analysispt_PT
dc.titleThermogravimetric analysis of high-density cork granules using isoconversional methodspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleCenter for Innovation in Industrial Engineering and Technology
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEQU%2F04730%2F2019/PT
oaire.citation.endPage447pt_PT
oaire.citation.startPage442pt_PT
oaire.citation.titleEnergy Reportspt_PT
oaire.citation.volume8pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameRibeiro
person.familyNameRamalho
person.familyNamePimenta
person.familyNamePilão
person.givenNameAlbina
person.givenNameElisa
person.givenNameMaria Paula
person.givenNameRosa Maria
person.identifierR-000-PNJ
person.identifier.ciencia-id171A-6098-4B85
person.identifier.ciencia-id1416-3FD8-5770
person.identifier.ciencia-idA51B-0EE8-C921
person.identifier.orcid0000-0003-3443-1784
person.identifier.orcid0000-0001-8586-3451
person.identifier.orcid0000-0001-6630-9471
person.identifier.orcid0000-0001-7715-8576
person.identifier.scopus-author-id55550816700
person.identifier.scopus-author-id6602086392
person.identifier.scopus-author-id35192104300
person.identifier.scopus-author-id6506645717
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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