Effect of a high content in activated carbon waste on low clinker cement microstructure and properties

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dc.contributor.authorFrías, Moises
dc.contributor.authorVigil de la Villa, Raquel
dc.contributor.authorGarcía, Rosario
dc.contributor.authorMartínez, Sagrario
dc.contributor.authorVillar, Ernesto
dc.contributor.authorVegas, Iñigo
dc.contributor.institutionGENERAL
dc.date.accessioned2024-07-24T12:03:01Z
dc.date.available2024-07-24T12:03:01Z
dc.date.issued2018-09-30
dc.descriptionPublisher Copyright: © 2018 Elsevier Ltd
dc.description.abstractIn the context of cement industry sustainability and socio-economic development, one of the primary objectives of the circular economy is the use of industrial waste as a supplementary cementitious material in the manufacture of future eco-efficient binders. This paper reports a first-time study of the effect of large proportions of the activated carbon (AC) waste used in low clinker cements on the properties and structure of the new binders. The behaviour of blended cement matrices prepared with 20%–50% AC as a pozzolan was analysed in terms of their chemical, mechanical and physical (rheology, heat of hydration, drying shrinkage, microporosity) properties. Macroporosity was also assessed with computed tomography (CT). The findings showed that these blended cements meet standard chemical and rheological requirements and that the 50% AC binder qualifies as a low heat cement. Drying shrinkage was observed to intensify with higher percentages of AC. A rise in total porosity was attendant upon pore size refinement, with an increase in the <100 nm fraction. Compressive strength declined with rising replacement ratios. Further to the CT findings, macroporosity (0.001–0.09 mm3) also increased with AC content, especially in the binders bearing 50% of the addition.en
dc.description.sponsorshipThis research was funded by the Spanish Ministry of Economy and Competitiveness (BIA2015-65558-C3-1-2-3R) (MINECO/FEDER)). The assistance received for this study from Sociedad Anónima Hullera Vasco-Leonesa, SIKA (Madrid, Spain) and the Spanish Cement Institute (IECA) is gratefully acknowledged.
dc.description.statusPeer reviewed
dc.format.extent9
dc.identifier.citationFrías , M , Vigil de la Villa , R , García , R , Martínez , S , Villar , E & Vegas , I 2018 , ' Effect of a high content in activated carbon waste on low clinker cement microstructure and properties ' , Construction and Building Materials , vol. 184 , pp. 11-19 . https://doi.org/10.1016/j.conbuildmat.2018.06.216
dc.identifier.doi10.1016/j.conbuildmat.2018.06.216
dc.identifier.issn0950-0618
dc.identifier.urihttps://hdl.handle.net/11556/3307
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=85049340143&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofConstruction and Building Materials
dc.relation.projectIDMinisterio de Economía y Competitividad, MINECO, BIA2015-65558-C3-1-2-3R
dc.relation.projectIDEuropean Regional Development Fund, FEDER
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subject.keywordsActivated coal waste
dc.subject.keywordsBehaviour
dc.subject.keywordsLow clinker cements
dc.subject.keywordsPore structure
dc.subject.keywordsProperties
dc.subject.keywordsCivil and Structural Engineering
dc.subject.keywordsBuilding and Construction
dc.subject.keywordsGeneral Materials Science
dc.subject.keywordsSDG 8 - Decent Work and Economic Growth
dc.subject.keywordsSDG 12 - Responsible Consumption and Production
dc.subject.keywordsSDG 9 - Industry, Innovation, and Infrastructure
dc.titleEffect of a high content in activated carbon waste on low clinker cement microstructure and propertiesen
dc.typejournal article
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