High removal of methylene blue dye from aqueous solution by using a novel pectin-based hydrogel

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dc.contributor.authorIlgin, Pinar
dc.date.accessioned2025-01-27T20:55:46Z
dc.date.available2025-01-27T20:55:46Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, pectin/poly(methacrylic acid-co-2-acrylamido-2-methylpropane sulphonic acid) (pec/poly(MA-co-AMPS)) hydrogel was synthesised with free-radical polymerisation. The effect of the compound proportions within the pectin-based hydrogels on swelling behaviour was investigated. Confirmation of the chemical structure of the prepared hydrogel used FT-IR spectroscopy. Surface morphology assessment was performed with SEM. Cationic methylene blue (MB) dye was chosen to investigate adsorption studies using these anionic-character hydrogels. The adsorption conditions affecting performance of initial dye concentration, solution pH, adsorbent mass, contact duration and temperature were systematically investigated. Kinetics of MB adsorption abided by a pseudo-second-order model. The adsorption isotherm for hydrogels was best described by the Langmuir isotherm model and it was found to have maximum MB adsorption capacity of 448.4 mg/g at 60 min duration. Thermodynamic investigation of the adsorption process linked to temperature found the adsorption process had random, spontaneous and endothermic favourability. In conclusion, pec/poly(MA-co-AMPS) hydrogel is accepted as a promising candidate to remove MB or cationic dyes with similar features from aqueous solutions.
dc.identifier.doi10.1080/03067319.2020.1796995
dc.identifier.endpage5431
dc.identifier.issn0306-7319
dc.identifier.issn1029-0397
dc.identifier.issue17
dc.identifier.scopus2-s2.0-85088570166
dc.identifier.scopusqualityQ1
dc.identifier.startpage5413
dc.identifier.urihttps://doi.org/10.1080/03067319.2020.1796995
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26173
dc.identifier.volume102
dc.identifier.wosWOS:000552536600001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofInternational Journal of Environmental Analytical Chemistry
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectHydrogel
dc.subjectadsorption
dc.subjectmethylene blue
dc.subjectsemi-interpenetrating polymer network
dc.subjectpectin
dc.titleHigh removal of methylene blue dye from aqueous solution by using a novel pectin-based hydrogel
dc.typeArticle

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