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dc.creatorGene J.M.
dc.creatorGaviria X.
dc.creatorSaldarriaga J.F.
dc.date2019
dc.date.accessioned2021-02-05T14:59:08Z
dc.date.available2021-02-05T14:59:08Z
dc.identifier.issn22839216
dc.identifier.urihttp://hdl.handle.net/11407/6074
dc.descriptionThe annual global production of fly ash is estimated at about 780 million tons per year and has been used successfully in the cement industry for more than 50 years, mainly as a mineral additive in Portland cement and also as a component of mixed cement. In this work, the ash reactivity from hazardous waste as supplementary cement material was evaluated. For this, the ashes reactivity in lime pastes was analyzed, centered on thermogravimetric tests as a characterization technique to determine the phases present. Part of the ashes of hazardous waste was pretreated, in order to eliminate chlorides and sulfates from the incineration process. The ashes were characterized by means of DRX and FRX, finding low content of SiO2 and Al2O3 in the ashes of hazardous residues. The pastes were prepared according to the ASTM C-305 standard, using a water/lime ratio of 0.4. The hydration process was stopped with acetone at the ages of 1, 3, 7, 14, 28 and 56 days. It can be concluded that only mixtures of untreated hazardous waste ash are more attractive to be used as replacements in the production of construction inputs. Copyright © 2019, AIDIC Servizi S.r.l.
dc.language.isoeng
dc.publisherItalian Association of Chemical Engineering - AIDIC
dc.relation.isversionofhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85067108264&doi=10.3303%2fCET1975104&partnerID=40&md5=7334f8117a0ccf1f28472aee28428590
dc.sourceChemical Engineering Transactions
dc.titleEvaluation of fly ash reactivity from incineration of hazardous waste in lime pastes
dc.typeArticleeng
dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccess
dc.publisher.programIngeniería Civilspa
dc.identifier.doi10.3303/CET1975104
dc.relation.citationvolume75
dc.relation.citationstartpage619
dc.relation.citationendpage624
dc.publisher.facultyFacultad de Ingenieríasspa
dc.affiliationGene, J.M., Deparment of Civil and Environmental Engineering, Universidad de los Andes, Carrera 1Este #19A-40, Bogotá, Colombia
dc.affiliationGaviria, X., Department of Industrial Engineering, Universidad de Medellín, Carrera 87 #30-65, Colombia
dc.affiliationSaldarriaga, J.F., Deparment of Civil and Environmental Engineering, Universidad de los Andes, Carrera 1Este #19A-40, Bogotá, Colombia
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dc.type.versioninfo:eu-repo/semantics/publishedVersion
dc.type.driverinfo:eu-repo/semantics/article


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