Functionalization of kaolinite for removal of phosphate from urban sewage

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorCarbinatti, Camilla-
Autor(es): dc.creatorda Conceição, Fabiano Tomazini-
Autor(es): dc.creatorMoruzzi, Rodrigo Braga-
Autor(es): dc.creatorMenegário, Amauri Antônio-
Data de aceite: dc.date.accessioned2025-08-21T16:06:17Z-
Data de disponibilização: dc.date.available2025-08-21T16:06:17Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2020-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.mex.2021.101423-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/229115-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/229115-
Descrição: dc.descriptionThe PO43− widespread in urban sewages promotes eutrophication of water sources, with harmful effects to natural life and endanger human health. The removal of PO43− from urban sewage requires treatment at tertiary level, with high costs and low efficiency in most cases. Thus, a functionalization method for surface modification of kaolinite was proposed to improve the removal of PO43− from urban sewage. The kaolinite commercial did not remove PO43- from aqueous solution. However, the functionalized kaolinite (FK) was efficient, with a maximum removal capacity of 8.4 ± 0.1 mg PO43−/L, within less than 1 min of reaction. The removal of PO43- is associated with precipitation of pyromorphite, a mineral with low solubility (Ksp < 10−79,6). Finally, real urban sewage samples (raw and treated) were also tested for removal of PO43- using FK, confirming its effectiveness. The central aspects of this development are: • Functionalized kaolinite (FK), with Pb(II), for removal of PO43− from urban sewage was studied. • The FK was efficient for removal of up to 8.4 mg PO43−/L from aqueous solution, within a short reaction time. • The precipitation of pyromorphite was the mechanism responsible for removal of PO43- and FK efficiency have been confirmed for real urban sewage samples.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionUNESP - Universidade Estadual Paulista Instituto de Geociências e Ciências Exatas, Avenida 24-A, no 1515, CEP 13506-900, Bela Vista, Rio Claro-
Descrição: dc.descriptionUNESP - Universidade Estadual Paulista Centro de Estudos Ambientais-
Descrição: dc.descriptionUNESP - Universidade Estadual Paulista Instituto de Geociências e Ciências Exatas, Avenida 24-A, no 1515, CEP 13506-900, Bela Vista, Rio Claro-
Descrição: dc.descriptionUNESP - Universidade Estadual Paulista Centro de Estudos Ambientais-
Descrição: dc.descriptionCAPES: 001-
Descrição: dc.descriptionCNPq: 301210/2018-7-
Idioma: dc.languageen-
Relação: dc.relationMethodsX-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectClay minerals-
Palavras-chave: dc.subjectFunctionalization of kaolinite for removal of phosphate from urban sewage-
Palavras-chave: dc.subjectMineral precipitation-
Palavras-chave: dc.subjectPhosphate removal-
Palavras-chave: dc.subjectSurface functionalization-
Título: dc.titleFunctionalization of kaolinite for removal of phosphate from urban sewage-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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