Innovative application of recycled waste biopolymers to enhance the efficiency of traditional compacted clay liners of landfill systems: Mitigating leachate impact

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dc.authoridkeskin, inan/0000-0003-2977-4352
dc.contributor.authorVakili, Amir Hossein
dc.contributor.authorAwam, Awass
dc.contributor.authorKeskin, Inan
dc.date.accessioned2024-09-29T15:57:55Z
dc.date.available2024-09-29T15:57:55Z
dc.date.issued2024
dc.departmentKarabük Üniversitesien_US
dc.description.abstractThis study explores the potential of sodium lignosulfonate (NLS) biopolymer to enhance the properties of compacted clay liner (CCL) in landfill systems, leading to recycling and reusing NLS for innovative applications. To do so, a series of tests, including unconfined compressive strength (UCS), bender element (BE), SEM, XRD, XRF, and FTIR tests, were performed. To simulate the actual conditions of fields and durability analysis, four scenarios were determined including mixing CCL with either water or leachate and testing them under dry (DC) or wet conditions (WC) by either soaking in water or leachate. All these methods were applied to CCL stabilized with different NLS contents (up to 1.5 %) and cured at various times (up to 90 days). The results verified that, even in the worst-case scenario of soaking in leachate, the addition of 1 % NLS significantly enhanced the performance of CCLs, reducing the voids percentage by 85.5 % and increasing both strength and shear wave velocity by 52 % and 40 %, respectively. SEM-EDX and FTIR findings confirmed the potential of NLS, even in the presence of leachate, to create electrostatic attraction among the clay particles, develop polymer chains around them, and promote the formation of denser microstructures.en_US
dc.description.sponsorshipKBU-BAP [KBUBAP-23-YL-128]en_US
dc.description.sponsorshipThe authors of this study would like to acknowledge the financial support provided by KBU-BAP under grant number KBUBAP-23-YL-128.en_US
dc.identifier.doi10.1016/j.matlet.2024.136487
dc.identifier.issn0167-577X
dc.identifier.issn1873-4979
dc.identifier.scopus2-s2.0-85190329902en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1016/j.matlet.2024.136487
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5093
dc.identifier.volume365en_US
dc.identifier.wosWOS:001231674600001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofMaterials Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPolymeren_US
dc.subjectBiomaterialsen_US
dc.subjectMicrostructureen_US
dc.subjectFTIRen_US
dc.titleInnovative application of recycled waste biopolymers to enhance the efficiency of traditional compacted clay liners of landfill systems: Mitigating leachate impacten_US
dc.typeArticleen_US

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