Scenedesmus regularis: An alternative biosorbent for the efficient and fast removal of methylene blue

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dc.contributor.authorKankilic, G. B.
dc.date.accessioned2025-01-21T16:44:19Z
dc.date.available2025-01-21T16:44:19Z
dc.date.issued2022
dc.departmentKırıkkale Üniversitesi
dc.description.abstractThis study focused on removing methylene blue (MB) from aqueous solutions using microalga Scenedesmus regularis as a biosorbent. The biomass was characterized by Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscopy (FE-SEM). The difference in thermal properties of the biomass was investigated by thermogravimetric analysis (TGA). The adsorption capacity of S. regularis was tested with different environmental key parameters (pH, temperature, biosorbent dosage, dye concentration, and contact time) in batch system experiments. The maximum adsorption capacity was 341.34 mg/g at a pH of 6.8, a temperature of 25 degrees C, a dye concentration of 250 mg/L, and a biosorbent concentration of 5 mg. Approximately 92% of the dye was removed within two minutes, and the removal efficiency reached 99% within 15 minutes. MB adsorption equilibrium data fit well with the Langmuir (R2=0.994) and Dubinin-Radushkevich (R2=0.993) isotherm models. The kinetic model of adsorption followed pseudo-second-order kinetics. Thermodynamic parameters showed that the adsorption process was endothermic and physical, favorable, and spontaneous. The results showed that S. regularis is an eco-friendly biosorbent with efficient performance that may be used for MB removal without any modification.
dc.identifier.doi10.30955/gnj.004358
dc.identifier.endpage473
dc.identifier.issn1790-7632
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85139514710
dc.identifier.scopusqualityQ3
dc.identifier.startpage465
dc.identifier.urihttps://doi.org/10.30955/gnj.004358
dc.identifier.urihttps://hdl.handle.net/20.500.12587/25424
dc.identifier.volume24
dc.identifier.wosWOS:000917295800010
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherGlobal Network Environmental Science & Technology
dc.relation.ispartofGlobal Nest Journal
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241229
dc.subjectMicroalgae; Adsorption; Toxic dyes; Isotherm; Kinetics; Thermodynamic
dc.titleScenedesmus regularis: An alternative biosorbent for the efficient and fast removal of methylene blue
dc.typeArticle

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