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Production, Characterization, and Activation of Biochars from a Mixture of Waste Insulation Electric Cables (WIEC) and Waste Lignocellulosic Biomass (WLB)

2023-05-09Artigo científico Acesso aberto
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dc.contributor.authorMota-Panizio, Roberta
dc.contributor.authorAssis, Ana
dc.contributor.authorCarmo-Calado, Luís
dc.contributor.authorNobre, Catarina
dc.contributor.authorLongo, Andrei
dc.contributor.authorSilveira, José
dc.contributor.authorGonçalves, Maria Margarida
dc.contributor.authorBrito, Paulo
dc.contributor.institutionMEtRICS - Centro de Engenharia Mecânica e Sustentabilidade de Recursos
dc.contributor.institutionDQ - Departamento de Química
dc.contributor.pblMDPI - Multidisciplinary Digital Publishing Institute
dc.date.accessioned2023-09-25T22:20:59Z
dc.date.available2023-09-25T22:20:59Z
dc.date.issued2023-05-09
dc.descriptionFunding Information: Funding: This work was supported by national funds through the FCT—Fundação para a Ciência e a Tecnologia within the R&D Units VALORIZA (UIDB/05064/2020) and MEtRICs (UIDB/04077/2020-2023) and project ALT20-03-0145-FEDER-039485 - SynDiesel: Fuels for diesel engines from dedicated waste and crop thermal gasification, co-financed by the ERDF through the Regional Operational Program of Alentejo. Publisher Copyright: © 2023 by the authors.
dc.description.abstractWaste insulation electrical cables (WIEC) currently do not have an added value, due to their physical–chemical characteristics. Carbonization is known to enhance feedstock properties, particularly fuel and material properties; as such, this article aimed to study the production and activation of biochars using WIEC and lignocellulosic biomass wastes as feedstock. Biochars were produced in a ceramic kiln with an average capacity of 15 kg at different temperatures, namely 300, 350 and 400 °C. After production, the biochars were further submitted to a washing process with water heated to 95 °C ± 5 °C and to an activation process with 2 N KOH. All biochars (after production, washing and activation) were characterized regarding an elemental analysis, thermogravimetric analysis, heating value, chlorine removal, ash content, apparent density and surface area. The main results showed that the increase in carbonization temperature from 300 to 400 °C caused the produced biochars to present a lower amount of oxygen and volatile matter, increased heating value, greater chlorine removal and increased ash content. Furthermore, the activation process increased the surface area of biochars as the production temperature increased. Overall, the carbonization of WIEC mixed with lignocellulosic wastes showed potential in enhancing these waste physical and chemical properties, with prospects to yield added-value products that activates biochar.en
dc.description.versionpublishersversion
dc.description.versionpublished
dc.format.extent17
dc.format.extent4144419
dc.identifier.doi10.3390/c9020049
dc.identifier.issn2311-5629
dc.identifier.otherPURE: 72371647
dc.identifier.otherPURE UUID: 58d78de8-43b5-4e39-b2f7-ad2c910db438
dc.identifier.otherScopus: 85167601131
dc.identifier.otherWOS: 001017062300001
dc.identifier.otherORCID: /0000-0002-0940-519X/work/151412822
dc.identifier.urihttp://hdl.handle.net/10362/158279
dc.identifier.urlhttps://www.scopus.com/pages/publications/85167601131
dc.language.isoeng
dc.peerreviewedyes
dc.subjectactivation
dc.subjectbiochar
dc.subjectcarbonization
dc.subjectpretreatment
dc.subjectWIEC
dc.subjectEnvironmental Science (miscellaneous)
dc.titleProduction, Characterization, and Activation of Biochars from a Mixture of Waste Insulation Electric Cables (WIEC) and Waste Lignocellulosic Biomass (WLB)en
dc.typejournal article
degois.publication.issue2
degois.publication.titleC-JOURNAL OF CARBON RESEARCH
degois.publication.volume9
dspace.entity.typePublication
rcaap.rightsopenAccess

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