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Formulation of alkali-activated slag binder destined for use in developing countries

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Formulation of alkali-activated slag binder destined for use in developing countries

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dc.contributor.author Bella, Nabil es_ES
dc.contributor.author Gudiel, Edwin es_ES
dc.contributor.author Soriano Martinez, Lourdes es_ES
dc.contributor.author Font-Pérez, Alba es_ES
dc.contributor.author Borrachero Rosado, María Victoria es_ES
dc.contributor.author Paya Bernabeu, Jorge Juan es_ES
dc.contributor.author Monzó Balbuena, José Mª es_ES
dc.date.accessioned 2021-04-17T03:33:12Z
dc.date.available 2021-04-17T03:33:12Z
dc.date.issued 2020-12 es_ES
dc.identifier.uri http://hdl.handle.net/10251/165295
dc.description.abstract [EN] Worldwide cement production is around 4.2 billion tons, and the fabrication of one ton of ordinary Portland cement emits around 900 kg of CO2. Blast furnace slag (BFS) is a byproduct used to produce alkali-activated materials (AAM). BFS production was estimated at about 350 million tons in 2018, and the BFS reuse rate in construction materials of developing countries is low. AAM can reduce CO2 emissions in relation to Portland cement materials: Its use in construction would be a golden opportunity for developing countries in forthcoming decades. The present research aims to formulate AAM destined for future applications in developing countries. Two activators were used: NaOH, Na2CO3, and a mixture of both. The results showed that compressive strengths within the 42¿56 MPa range after 28 curing days were obtained for the Na2CO3-activated mortars. The characterization analysis confirmed the presence of hydrotalcite, carbonated phases, CSH and CASH. The economic study showed that Na2CO3 was the cheapest activator in terms of the relative cost per ton and MPa of manufactured mortars. Finally, the environmental benefits of mortars based on this reagent were evidenced, and, in terms of kgCO2 emissions per ton and MPa, the mortars with Na2CO3 yielded 50% lower values than with NaOH. es_ES
dc.description.sponsorship We would also like to thank the Spanish Government MINECO/FEDER (ECOSOST project RTI-2018-097612-B-C21) for supporting this research. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Applied Sciences es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Alkali-activated material es_ES
dc.subject Blast furnace slag es_ES
dc.subject Activators es_ES
dc.subject Mechanical properties es_ES
dc.subject Microstructure es_ES
dc.subject Developing countries es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.title Formulation of alkali-activated slag binder destined for use in developing countries es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/app10249088 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-097612-B-C21/ES/NUEVOS RETOS EN CEMENTOS ACTIVADOS ALCALINAMENTE:SOSTENIBILIDAD Y EVALUACION AMBIENTAL/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto de Ciencia y Tecnología del Hormigón - Institut de Ciència i Tecnologia del Formigó es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería de la Construcción y de Proyectos de Ingeniería Civil - Departament d'Enginyeria de la Construcció i de Projectes d'Enginyeria Civil es_ES
dc.description.bibliographicCitation Bella, N.; Gudiel, E.; Soriano Martinez, L.; Font-Pérez, A.; Borrachero Rosado, MV.; Paya Bernabeu, JJ.; Monzó Balbuena, JM. (2020). Formulation of alkali-activated slag binder destined for use in developing countries. Applied Sciences. 10(24):1-15. https://doi.org/10.3390/app10249088 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/app10249088 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 15 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 10 es_ES
dc.description.issue 24 es_ES
dc.identifier.eissn 2076-3417 es_ES
dc.relation.pasarela S\431189 es_ES
dc.contributor.funder Agencia Estatal de Investigación es_ES
dc.contributor.funder European Regional Development Fund es_ES
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