Treatment of waste plastic recycling facility wastewater via pre-coagulated electrooxidation process

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dc.contributor.authorSahiner, Oguz
dc.contributor.authorCan, Orhan Taner
dc.contributor.authorSolak, Murat
dc.date.accessioned2026-07-01T11:40:16Z
dc.date.available2026-07-01T11:40:16Z
dc.date.issued2026
dc.departmentDüzce Üniversitesi
dc.description.abstractWastewater generated in the washing units of waste plastic recycling facilities exhibits a complex composition due to high concentrations of organic pollutants, thereby necessitating advanced treatment strategies. Consequently, identifying effective treatment technologies capable of achieving high total organic carbon (TOC) removal efficiencies for such wastewater is of critical importance. In this study, the hypothesis that a hybrid treatment approach involving the sequential application of chemical coagulation (CC) and electrooxidation (EO) could enable efficient and high-performance TOC removal from waste plastic recycling wastewater (WPRW) was systematically evaluated. During the pretreatment stage, two coagulants were examined, among which aluminium chloride (AlCl3) yielded the highest TOC removal efficiency (40.8%). Subsequently, the EO process was conducted using boron-doped diamond (BDD) and platinum-iridium oxide (Pt-IrO2) electrodes. The effects of key operational parameters, including electrode type, applied current (0.5-2 A), pH, and mixing speed (200-800 rpm), on TOC removal were investigated. Following AlCl3 coagulation, maximum TOC removal efficiencies of 89.19% and 63.41% were achieved using BDD and Pt-IrO2 electrodes, respectively, under optimum conditions (pH 6, 20 A/m2). Energy consumption analysis revealed that higher mixing speeds allowed the use of lower current densities without compromising TOC removal, indicating substantial potential for process-level energy optimization. The specific energy consumption (SEC) ranged from 0.01 to 0.28 kWh/kg TOCremoved for the BDD electrode and from 0.03 to 0.40 kWh/kg TOCremoved for the Pt-IrO2 electrode. Overall, the BDD anode exhibited high treatment efficiency and energy economy, making AlCl3-assisted BDD electrooxidation a promising approach for plastic recycling wastewater treatment.
dc.identifier.doi10.1002/cjce.70293
dc.identifier.issn0008-4034
dc.identifier.issn1939-019X
dc.identifier.orcid0000-0003-4526-1709
dc.identifier.scopus2-s2.0-105030672403
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1002/cjce.70293
dc.identifier.urihttps://hdl.handle.net/20.500.12684/23733
dc.identifier.wosWOS:001694793900001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofCanadian Journal of Chemical Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260623
dc.subject[Keyword Not Available]
dc.titleTreatment of waste plastic recycling facility wastewater via pre-coagulated electrooxidation process
dc.typeArticle

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