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dc.creatorStanić, Filip
dc.creatorJaćimović, Nenad
dc.creatorRanđelović, Anja
dc.creatorDespotović, Jovan
dc.date.accessioned2019-04-19T14:28:14Z
dc.date.available2019-04-19T14:28:14Z
dc.date.issued2017
dc.identifier.issn0273-1223
dc.identifier.urihttps://grafar.grf.bg.ac.rs/handle/123456789/880
dc.description.abstractDepending on the usage of fly ash, it is necessary to determine its environmental parameters, such as the potential for pollutant transport/leaching after its built-in. This study presents a methodology for determination of transport parameters (filtration coefficient, effective porosity, longitudinal dispersivity,and the mean residence time) from experimental data collected from column experiments with a conservative tracer on different mixtures of fly ash with stabilizers (4.8% lime and 5% cement). The transport parameters are determined using (1) numerical model results and (2) an adapted analytical solution results against measured outflow tracer concentrations. The study shows that the addition of stabilizers decreases the filtration coefficient by an order of magnitude and the effective porosity by half. The longitudinal dispersivity is not influenced by the addition of lime to the mixture, and is increased by 40% by the addition of cement. The pollutant contact time with fly ash increases by six or nine times with the addition of lime and cement, respectively. The adaptation of the analytical solution agrees well with both the numerical solution and the experimental results, and it is anticipated to be of high value for determination of transport parameters for practitioners not familiar with numerical methods.en
dc.publisherIWA Publishing
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/37010/RS//
dc.relationElectric Power Industry of Serbia - Fly ash utilization for soil stabilization, roller-compacted con
dc.rightsrestrictedAccess
dc.sourceWater Science and Technology
dc.subjectconservative tracer testen
dc.subjectfly ashen
dc.subjecttransport parametersen
dc.titleLaboratory investigation of hydraulic characteristics of fly ash as a fill material from the aspects of pollutant transporten
dc.typearticle
dc.rights.licenseARR
dc.citation.epage982
dc.citation.issue4
dc.citation.other76(4): 976-982
dc.citation.rankM23
dc.citation.spage976
dc.citation.volume76
dc.identifier.doi10.2166/wst.2017.243
dc.identifier.pmid28799943
dc.identifier.scopus2-s2.0-85027693723
dc.identifier.wos000407462300023
dc.type.versionpublishedVersion


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