Application of superporous magnetic cationic cryogels for persistent chromate (toxic chromate and dichromate) uptake from aqueous environments

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dc.authoridDemirci, Şahin / 0000-0001-7083-1481
dc.authoridYılmaz, Selehattin / 0000-0003-4607-3523
dc.authoridŞahiner, Nurettin / 0000-0003-0120-530X
dc.contributor.authorŞahiner, Nurettin
dc.contributor.authorDemirci, Şahin
dc.contributor.authorŞahiner, Mehtap
dc.contributor.authorYılmaz, Selehattin
dc.date.accessioned2025-01-27T20:46:10Z
dc.date.available2025-01-27T20:46:10Z
dc.date.issued2016
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractPoly((3-Acrylamidopropyl) trimethylammonium chloride) (p(APTMACl)) cryogels were prepared with cryopolymerization technique and employed for the removal of toxic chromate and dichromate anions from aqueous media. The maximum adsorption capacities of 94 mg/g and 135 mg/g for chromate and dichromate anions, respectively, were determined with the application of the Langmuir isotherm. These values are very close to the experimental values of about 77 and 128 mg/g from 100 mL, 100 ppm chromate, and dichromate solutions using 0.03 g cryogel. The removal efficiency of chromate and dichromate anions were increased with the increase in the amount of cryogel and the removal percentage of chromate and dichromate toxic anions were estimated as 99.21 and 93.61%, respectively, for 0.15 g of p(APTMACl) cryogels used in 100 mL, 100 ppm chromate, and dichromate solutions. Furthermore, magnetic p(APTMACl) cryogels were also prepared and used in the removal of chromate and dichromate, and the maximum adsorption capacities were 30 mg/g and 40 mg/g, respectively. Additionally, the adsorption of these anions were investigated from different media such as drinking water, tap water, seawater, and creek water; and the maximum adsorption amounts in drinking water were 65.5 +/- 15, and 125.5 +/- 11 mg/g for chromate and dichromate anions, respectively. The reusability of p(APTMACl) cryogels for the removal of chromate and dichromate anions was also investigated, and it was found that the adsorption capacity for chromate anions decreased to 71.23 +/- 4.3 from 97.37 +/- 4.5 mg/g, whereas the adsorption capacity of dichromate anions only decreased to 123.69 +/- 3.5 mg/g from 129.9 +/- 7 mg/g at the end of five adsorption-desorption cycles. (C) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43438.
dc.description.sponsorshipCanakkale Onsekiz Mart University Scientific Research Commission [COMU-BAP:2014-284]
dc.description.sponsorshipThe authors are grateful for the financial support of Canakkale Onsekiz Mart University Scientific Research Commission (COMU-BAP:2014-284).
dc.identifier.doi10.1002/APP.43438
dc.identifier.issn0021-8995
dc.identifier.issn1097-4628
dc.identifier.issue20
dc.identifier.scopus2-s2.0-84958929051
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1002/APP.43438
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24825
dc.identifier.volume133
dc.identifier.wosWOS:000371253300023
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Applied Polymer Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectadsorption
dc.subjectcrosslinking
dc.subjectgels
dc.subjecthydrophilic polymers
dc.subjectsurfaces and interfaces
dc.titleApplication of superporous magnetic cationic cryogels for persistent chromate (toxic chromate and dichromate) uptake from aqueous environments
dc.typeArticle

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