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dc.creatorNešić, Aleksandra
dc.creatorPanić, Vesna
dc.creatorOnjia, Antonije
dc.creatorVeličković, Sava
dc.date.accessioned2021-03-10T12:43:40Z
dc.date.available2021-03-10T12:43:40Z
dc.date.issued2015
dc.identifier.issn0927-7757
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/2967
dc.description.abstractIn this study novel copolymer hydrogels based on methacrylic acid (MAA) and 2-acrylamido-2-methylpropane sulfonic acid (AMPS) were synthesized by free-radical aqueous copolymerization and characterized. Derived P(MAA-co-AMPS) hydrogels, joining well the affection of numerous anionic groups toward cations and the accessibility of active sites in the swollen network were recognized as potential sorbents for removal of cationic species. The effect of various initial parameters on sorption of two cationic dyes onto P(MAA-co-AMPS) hydrogels was investigated in both, single and binary, systems. Results showed that the copolymerization of MAA and AMPS significantly increased sorption capability of copolymers compared to both pure-component hydrogels-PMAA and PAMPS hydrogels. The main advantage of novel copolymer hydrogels is enhanced sorption of dyes in binary systems, reaching maximal values of 98.8% (Basic Yellow 28) and 96.4 (Basic Red 46), onto hydrogel P (MAA-co-AMPS) 50/50. The desorption rate of BY28 and BR46 in both, single and in binary, systems increased with the increase in AMPS content in hydrogels. This investigation showed that copolymerization of two acidic monomers, bearing different types of acid groups, could significantly improve the sorption thus decreasing the price and the amount of material needed for successful removal of pollutants.en
dc.publisherElsevier Science Bv, Amsterdam
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/43009/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172062/RS//
dc.rightsrestrictedAccess
dc.sourceColloids and Surfaces A-Physicochemical and Engineering Aspects
dc.subjectHydrogelsen
dc.subjectMethacrylic aciden
dc.subject2-Acrylamido-2-methylpropane sulfonic aciden
dc.subjectAdsorptionen
dc.titleThe enhanced removal of cationic dyes in binary system using novel copolymers with two kinds of acidic groupsen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage34
dc.citation.other476: 24-34
dc.citation.rankM22
dc.citation.spage24
dc.citation.volume476
dc.identifier.doi10.1016/j.colsurfa.2015.03.013
dc.identifier.scopus2-s2.0-84961287766
dc.identifier.wos000353035900004
dc.type.versionpublishedVersion


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