A global pollutant (PVC-polyvinyl chloride) applied as heavy metal binder from aqueous samples: green principles from synthesis to application

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dc.contributor.authorSilva, Adrielli C. P. [UNESP]
dc.contributor.authorJorgetto, Alexandre O. [UNESP]
dc.contributor.authorWondracek, Marcos H. P. [UNESP]
dc.contributor.authorSaeki, Margarida J. [UNESP]
dc.contributor.authorPedrosa, Valber A. [UNESP]
dc.contributor.authorColmenares, Yormary N.
dc.contributor.authorMastelaro, Valmor R.
dc.contributor.authorSutili, Felipe K. [UNESP]
dc.contributor.authorMartines, Marco A. U.
dc.contributor.authorPasta, Paula C. [UNESP]
dc.contributor.authorCastro, Gustavo R [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionFederal University of Mato Grosso do Sul
dc.date.accessioned2021-06-25T11:02:05Z
dc.date.available2021-06-25T11:02:05Z
dc.date.issued2021-01-01
dc.description.abstractWe have developed a clean route for the modification of polyvinylchloride surface (PVC) with 4-amino-5-hydrazino-1,2,4-triazole-3-thiol molecule. The modification reaction was investigated through Fourier Transform Infrared Spectroscopy (FTIR) and X-ray Photoelectron Spectroscopy (XPS) analysis. According to our findings, S-H groups are responsible to the molecule attachment and nitrogen atoms are directly involved in metal ion coordination. These results are in agreement with the pseudo-second-order kinetic model, which infers that chemisorption is the main mechanism for metal removal. Adsorption isotherms of Cd(II), Cu(II) and Pb(II) follow the Langmuir model and the results indicated that Ns values are 0.39, 0.52 and 0.15 mmol g−1, respectively. The calculated Ømax values for Cu(II), Pb(II) and Cd(II) were 3.93, 2.95 and 1.13, respectively, indicating that three types of complex are formed depending on the adsorbed species. Therefore, it can be concluded that PVC use as adsorbent is feasible since it requires a simple modification reaction with nontoxic and low-cost solvents.en
dc.description.affiliationInstitute of Bioscience of Botucatu-UNESP – Chemistry and Biochemistry Department Botucatu
dc.description.affiliationSão Carlos Institute of Physics University of São Paulo
dc.description.affiliationDepartamento de Engenharia de Bioprocessos e Biotecnologia UNESP
dc.description.affiliationInstitute of Chemistry Federal University of Mato Grosso do Sul, Cidade Universitaria, Campo Grande
dc.description.affiliationUnespInstitute of Bioscience of Botucatu-UNESP – Chemistry and Biochemistry Department Botucatu
dc.description.affiliationUnespDepartamento de Engenharia de Bioprocessos e Biotecnologia UNESP
dc.identifierhttp://dx.doi.org/10.1080/09593330.2021.1934560
dc.identifier.citationEnvironmental Technology (United Kingdom).
dc.identifier.doi10.1080/09593330.2021.1934560
dc.identifier.issn1479-487X
dc.identifier.issn0959-3330
dc.identifier.scopus2-s2.0-85107594460
dc.identifier.urihttp://hdl.handle.net/11449/207848
dc.language.isoeng
dc.relation.ispartofEnvironmental Technology (United Kingdom)
dc.sourceScopus
dc.subjectclean step reaction
dc.subjectHeavy metal removal
dc.subjecthydrophobicity
dc.subjectsurface characterization
dc.titleA global pollutant (PVC-polyvinyl chloride) applied as heavy metal binder from aqueous samples: green principles from synthesis to applicationen
dc.typeArtigo
unesp.author.orcid0000-0002-1218-2425[11]

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Artigos - Química e Bioquímica - IBB