Stabilization of Zeolite and Bentonite with Sewage Sludge Ash

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dc.contributor.authorYildiz, Ozgur
dc.contributor.authorCeylan, Cigdem
dc.date.accessioned2026-06-19T06:37:58Z
dc.date.available2026-06-19T06:37:58Z
dc.date.issued2023
dc.departmentMalatya Turgut Özal Üniversitesi
dc.description.abstractIn this study, it is aimed to evaluate the wastewater sludge supplied locally at 100 tons/day in the investigation area. In this context, the geotechnical properties of bentonite, zeolite-type clays and sands, which are common in the investigation area, were determined by mixing with sewage sludge ash (SSA) in specified ratios. Grain size distribution and specific gravity of pure materials and mixtures were determined. Direct shear tests, permeability tests, consistency limits tests, modified proctor tests and PH determination tests were performed with the mixtures. Soils were mixed with 0.5, 7.5, 10 and 12.5 percent SSA in order to determine the physical, chemical and mechanical properties. Mixtures of sand with 40% bentonite (i.e., BS40) and sand with 40% zeolite (i.e., ZS40) were used as host materials for SSA inclusion. As a result of extensive laboratory studies, it was observed that the engineering properties of the specimens changed significantly as a result of the 7.5% and 12.5% mixture of SSA. BS40/SSA7.5 and ZS40/SSA12.5 samples from the mixtures reached 83 kPa and 80 kPa maximum shear strength under 200 kPa normal pressure. The maximum unit weight of specimens was achieved by BS40/S5 and ZS40/S5 specimens as 1.72 and 1.82 g/cm3, respectively. With the addition of SSA, the hydraulic permeability of the mixtures decreased to an order of 10E-8 (cm/s) for BS40/SSA12.5 and ZS40/12.5 specimens. Experimental studies have provided significant engineering and environmental benefit in the evaluation of sewage sludge ash, which is inevitable in residential areas.
dc.description.sponsorshipMalatya Turgut Ozal University [BAP-2022/09]
dc.description.sponsorshipAcknowledgement This study has been financially supported by Malatya Turgut Ozal University scientific research project of BAP-2022/09.
dc.identifier.doi10.3311/PPci.21522
dc.identifier.endpage443
dc.identifier.issn0553-6626
dc.identifier.issn1587-3773
dc.identifier.issue2
dc.identifier.orcid0000-0002-3684-3750
dc.identifier.orcid0000-0002-5961-3085
dc.identifier.scopus2-s2.0-85152924466
dc.identifier.scopusqualityQ2
dc.identifier.startpage431
dc.identifier.urihttps://doi.org/10.3311/PPci.21522
dc.identifier.urihttps://hdl.handle.net/20.500.12899/5310
dc.identifier.volume67
dc.identifier.wosWOS:000925377300001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherBudapest Univ Technology Economics
dc.relation.ispartofPeriodica Polytechnica-Civil Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260612
dc.subjectSewage Sludge Ash
dc.subjectZeolite
dc.subjectBentonite
dc.subjectShear Strength
dc.subjectPlasticity
dc.subjectPermeability
dc.subjectMost Important Burden
dc.subjectWaste Tires
dc.subjectStone Dust
dc.subjectIndustrial
dc.titleStabilization of Zeolite and Bentonite with Sewage Sludge Ash
dc.typeArticle

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