Ethylparaben removal using chitin carbons derived from Hermetia illucens pupa casings

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dc.authoridYılmaz, Selehattin / 0000-0003-4607-3523
dc.contributor.authorBazan-Wozniak, Aleksandra
dc.contributor.authorNosal-Wiercinska, Agnieszka
dc.contributor.authorYılmaz, Selehattin
dc.contributor.authorPietrzak, Robert
dc.date.accessioned2026-02-03T12:02:45Z
dc.date.available2026-02-03T12:02:45Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThe study developed activated carbons with a highly developed specific surface area, showing excellent adsorption properties for aqueous ethylparaben solutions and suitability for reuse. Empty pupal casings of Hermetia illucens served as precursors. Using a two-step process-microwave carbonization and activation with potassium carbonate-carbons with surface areas of 1200-2302 m2/g were produced. The resulting materials featured a highly developed pore structure, combining micropores and mesopores, ideal for adsorbing organic molecules. Adsorption kinetics and isotherms were analyzed using statistical physical models. The activated carbons exhibited a maximum adsorption capacity of 739 mg/g, demonstrating chemisorption behavior aligned with linear and non-linear pseudo-second-order kinetics and the linear Langmuir isotherm. The adsorption mechanism involved it-it interactions, hydrogen bonding, and electrostatic forces between ethylparaben molecules and the adsorbent surface. The process was endothermic and spontaneous under the tested conditions. The carbons retained high reusability, achieving 84 % desorption efficiency after three cycles. This research highlights the potential of waste-derived activated carbons for efficient and sustainable adsorption applications.
dc.identifier.doi10.1016/j.diamond.2025.112713
dc.identifier.issn0925-9635
dc.identifier.issn1879-0062
dc.identifier.scopus2-s2.0-105012257780
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.diamond.2025.112713
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34860
dc.identifier.volume158
dc.identifier.wosWOS:001545863900011
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Sa
dc.relation.ispartofDiamond and Related Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20260130
dc.subjectActivated carbons
dc.subjectEthylparaben
dc.subjectAdsorption isotherm
dc.subjectAdsorption kinetic
dc.subjectReusable
dc.titleEthylparaben removal using chitin carbons derived from Hermetia illucens pupa casings
dc.typeArticle

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