New copolymer of acrylamide with allyl methacrylate and its capacity for the removal of azo dyes

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dc.contributor.authorYildirim, Yeliz
dc.contributor.authorYilmaz, Habibe
dc.contributor.authorAk, Guliz
dc.contributor.authorSanlier, Senay Hamarat
dc.date.accessioned2019-10-27T22:27:39Z
dc.date.available2019-10-27T22:27:39Z
dc.date.issued2015
dc.departmentEge Üniversitesien_US
dc.description.abstractThe copolymerization reactions of Acrylamide (AA) with the different mole ratios of allyl methacrylate (AMA) such as 25/75, 50/50 and 75/25 were studied by radical polymerization under argon atmosphere using 2,2'-Azobis (isobutyronitri1e) (AIBN) as initiator. The copolymers were characterized with Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TG). FTIR spectra showed that the C=O, C-N and N-H groups in copolymers remained during the copolymerization. It is concluded from the thermograms that Poly(AA-co-AMA) copolymers which contained different ratios of monomer and comonomer exhibit similar thermal behavior. Adsorption capacity, kinetic and isotherm studies of Direct Brown 2 onto the copolymers have been evaluated. Different factors such as the monomer ratio, pH, initial dye concentration, copolymer dosage and contact time affecting the removal process were studied. It was found that the adsorption process agreed with the Freundlich and Dubinin-Raduskevich model and the adsorption of Direct Brown 2 depended on the acrylamide content and pH of the solution. The standard Gibb's free energy was determined as -14.7 kJ/mol, which means that adsorption occurred spontaneously and the process is feasible. Increasing the acrylamide content led to increased adsorption of Direct Brown 2 on the copolymer. Moreover, adsorption kinetic studies showed that the adsorption followed a pseudo-second-order kinetic model, indicating that the chemical adsorption was the rate-limiting step. These results show that Poly(AA-co-AMA) can be used as adsorbent for water pollutants such as Direct Brown 2 and has potential applications in related industrial and environmental areas.en_US
dc.identifier.doi10.1590/0104-1428.1615
dc.identifier.endpage145en_US
dc.identifier.issn0104-1428
dc.identifier.issn0104-1428en_US
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage137en_US
dc.identifier.urihttps://doi.org/10.1590/0104-1428.1615
dc.identifier.urihttps://hdl.handle.net/11454/50735
dc.identifier.volume25en_US
dc.identifier.wosWOS:000355842900002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAssoc Brasil Polimerosen_US
dc.relation.ispartofPolimeros-Ciencia E Tecnologiaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectacrylamideen_US
dc.subjectallyl methacrylateen_US
dc.subjectazo dyeen_US
dc.subjectadsorption isothermen_US
dc.subjectadsorption kineticsen_US
dc.titleNew copolymer of acrylamide with allyl methacrylate and its capacity for the removal of azo dyesen_US
dc.typeArticleen_US

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