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Activación alcalina de residuos de minería aurífera de veta para la fabricación de morteros

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dc.contributor.authorPardo Álvarez, Nicolás Stevenspa
dc.contributor.authorPenagos García, Guillermo Leónspa
dc.contributor.authorLópez Gómez, María Esperanzaspa
dc.contributor.authorCorrea Ochoa, Mauricio Andrésspa
dc.date.accessioned2021-05-31 00:00:00
dc.date.accessioned2022-06-17T20:21:06Z
dc.date.available2021-05-31 00:00:00
dc.date.available2022-06-17T20:21:06Z
dc.date.issued2021-05-31
dc.description.abstractLos residuos mineros (RM) generan grandes problemas ambientales debido a la alta y progresiva explotación de minerales y su consecuente disposición. La activación alcalina es un método ampliamente utilizado para la fabricación de materiales de construcción, usando los residuos como materiales cementantes suplementarios. En esta investigación se generaron morteros a partir de RM activados alcalinamente. Se estudiaron residuos de la explotación de minería aurífera de veta, activadas mediante una mezcla de solución NaOH y Na2SiO3. Se fabricaron dos tipos de morteros, uno utilizando el residuo con granulometría original y el otro con el residuo molido, para evaluar la influencia del tamaño de partícula. Además, cada tipo de mortero fue fraguado a 24 y 80 ºC. El análisis de las fases presentes en los morteros se llevó a cabo mediante difracción de rayos X (DRX) y el análisis de la morfología de las superficies de fractura después del ensayo de compresión se llevó a cabo mediante microscopía electrónica de barrido (MEB). Los resultados mostraron que la resistencia a la compresión es superior en los morteros preparados con los residuos molidos, frente a los morteros con los residuos de granulometría original. En adición, el incremento de la temperatura de fraguado no presentó influencia en la propiedad evaluada.spa
dc.description.abstractThe mine tailings cause several environmental impacts, due to high and progressive mineral exploitation and waste management. Alkaline activation to manufacture building materials using waste as supplementary cementitious materials has been a widely used method. In this article, mortars with alkali-activated mine tailings has been studied. Vein gold tailing wastes, were activated by a mixture of NaOH and Na2SiO3 solution. Two types of mortars were analyzed to assess influence of particle size were manufactured, the first by using original granulometry tailing and the second with milled residue. In addition, each type of mortar was set at 24 and 80 °C. Crystalline phases in mortars were identified by X-ray diffraction (XRD), and the morphology of the fracture surfaces after the compression test was analyzed with scanning electron microscopy (SEM). The results show that the compressive strength of the specimens produced from milled residue was higher value in comparison with original granulometry specimens. In addition, setting temperature increase did not have an influence on the property evaluated.eng
dc.format.mimetypeapplication/pdfspa
dc.identifier.doi10.24050/reia.v18i36.1476
dc.identifier.eissn2463-0950
dc.identifier.issn1794-1237
dc.identifier.urihttps://repository.eia.edu.co/handle/11190/5139
dc.identifier.urlhttps://doi.org/10.24050/reia.v18i36.1476
dc.language.isospaspa
dc.publisherFondo Editorial EIA - Universidad EIAspa
dc.relation.bitstreamhttps://revistas.eia.edu.co/index.php/reveia/article/download/1476/1415
dc.relation.citationeditionNúm. 36 , Año 2021 :spa
dc.relation.citationendpage17
dc.relation.citationissue36spa
dc.relation.citationstartpage36009 pp. 1
dc.relation.citationvolume18spa
dc.relation.ispartofjournalRevista EIAspa
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dc.rightsRevista EIA - 2021spa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
dc.rights.creativecommonsEsta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-SinDerivadas 4.0.spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0spa
dc.sourcehttps://revistas.eia.edu.co/index.php/reveia/article/view/1476spa
dc.subjectMine tailingseng
dc.subjectFlotation tailseng
dc.subjectAlkaline activationeng
dc.subjectMortarseng
dc.subjectResiduos minerosspa
dc.subjectColas de flotaciónspa
dc.subjectActivación alcalinaspa
dc.subjectMorterosspa
dc.titleActivación alcalina de residuos de minería aurífera de veta para la fabricación de morterosspa
dc.title.translatedAlkali activation of vein gold tailing wastes for manufacturing mortarseng
dc.typeArtículo de revistaspa
dc.typeJournal articleeng
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.coarversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
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dc.type.driverinfo:eu-repo/semantics/articlespa
dc.type.redcolhttp://purl.org/redcol/resource_type/ARTREFspa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa
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