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Use of sludge ash from drinking water treatment plant in hydraulic mortars

dc.contributor.authorBohórquez González, Kevinspa
dc.contributor.authorPacheco, Emmanuelspa
dc.contributor.authorGuzmán, Andrésspa
dc.contributor.authorAvila Pereira, Yoleimyspa
dc.contributor.authorCano Cuadro, Heidisspa
dc.contributor.authorF. Valencia, Javier A.spa
dc.date.accessioned2020-01-30T22:30:29Z
dc.date.available2020-01-30T22:30:29Z
dc.date.issued2020
dc.identifier.issn2352-4928spa
dc.identifier.urihttp://hdl.handle.net/11323/5970spa
dc.description.abstractThe present study investigated the use of sludge ash from water treatment plants as supplementary cementing material, elaborating hydraulic mortars with different levels of cement replacement by sludge ash (10 wt% and 30 wt%) and different temperatures of calcination (600 °C and 800 °C). Characterization of sludge ash and mortars includes XRF, XRD, particle size distribution by laser diffraction, compressive strength, and SEM-EDS. The results show that SiO2, Al2O3, and Fe2O3 compose 90 % of the sludge ash, and it has potential pozzolanic activity. It is evidenced that there is a significant influence of the variable ratio of sludge ash:cement in the compressive strength of the mortar cubes over other variables. Overall, this study showed that the sludge ash could be considered as a viable and sustainable alternative for the construction sector. Despite the benefits of the suggested replacement, the presence of amorphous SiO2 requires a review of long-time chemical behavior.spa
dc.language.isoeng
dc.publisherMaterials Today Communicationsspa
dc.relation.ispartofhttps://doi.org/10.1016/j.mtcomm.2020.100930spa
dc.rightsCC0 1.0 Universalspa
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/spa
dc.subjectSupplementary cementitious materialspa
dc.subjectSludge ashspa
dc.subjectCompressive strengthspa
dc.subjectCharacterizationspa
dc.subjectConstruction materialsspa
dc.titleUse of sludge ash from drinking water treatment plant in hydraulic mortarsspa
dc.typeArtículo de revistaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.identifier.instnameCorporación Universidad de la Costaspa
dc.identifier.reponameREDICUC - Repositorio CUCspa
dc.identifier.repourlhttps://repositorio.cuc.edu.co/spa
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