Moringa oleifera seed husks for methylene blue dye adsorption: kinetic, equilibrium, and thermodynamic analyses

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorLopes, Carolina Almeida-
Autor(es): dc.creatorRoledo, Cely-
Autor(es): dc.creatorDos Reis, Adriano Gonçalves-
Data de aceite: dc.date.accessioned2025-08-21T21:10:45Z-
Data de disponibilização: dc.date.available2025-08-21T21:10:45Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-01-19-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.4136/ambi-agua.2812-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/223714-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/223714-
Descrição: dc.descriptionMole·ifera se·ed hu·sks (H-M·O) w· ere u·sed as adsorbent for the removal of methylene blue (MB) dye from an aqueous solution. The ads ·orbent was char·acterized by SE·M, ED·X, X·RD, F·TIR, B·ET, and p·HPZC. To evaluate adsorption capacity, the influences of p ·H, kinetics, isotherms, and thermodynamic prop·erties were anal·yzed. Characteri·zation tech·niques indic·ated that H-MO has het·erogeneous morp·hological charac·teristics with a spe·cific sur·face a·rea of 3.24 m2 g-1, mai·nly comp·osed of ce·llulose distr·ibuted in an amor·phous stru·cture. MB adsorption was favorable at pH values higher than pHPZC of 6.6, using an adsorbent dosage of 1.0 g L-1. Equilibrium was achieved in the first 240 min, and the pseudo-second-order model was suitable for describing the kinetic data. Freu ·ndlich was the mo·st adeq·uate model for descri·bing the isoth·erm cur·ves, pred·icting a max·imum adsor·ption capa·city of 122.7 mg g-1 at 24°C, hig·her tha·n oth·er natu·ral ad·sorbents. The ads·orption proc·ess w·as spo·ntaneous and exoth·ermic, indic·ating that lo·wer temper·atures fav·or the ad· sorption and th·at it is cont·rolled by p·hysical fo·rces. The da·ta presen·ted indic·ate the M·B has t·he pot·ential to be succ· essfully trea·ted by the eco-fr·iendly and l·ow-cost ads·orbent M. oleif·era seed h·usks.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionInstituto de Ciência e Tecnologia Departamento de Engenharia Ambiental Universidade Estadual Paulista (UNESP), Estrada Doutor Altino Bondensan, n° 500, SP-
Descrição: dc.descriptionInstituto de Ciência e Tecnologia Departamento de Engenharia Ambiental Universidade Estadual Paulista (UNESP), Estrada Doutor Altino Bondensan, n° 500, SP-
Descrição: dc.descriptionCNPq: PIBIC 123798/2020-5-
Idioma: dc.languageen-
Relação: dc.relationRevista Ambiente e Agua-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectagricultural wastes-
Palavras-chave: dc.subjectlow-cost adsorbent-
Palavras-chave: dc.subjectphysisorption-
Título: dc.titleMoringa oleifera seed husks for methylene blue dye adsorption: kinetic, equilibrium, and thermodynamic analyses-
Título: dc.titleCascas da semente de Moringa oleifera para adsorção do corante azul de metileno: análise cinética, de equilíbrio e termodinâmica-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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