Artículo
Superhydrophobic/superoleophilic membranes based on covalent silanization of silica nanoparticles
Lombardo, Gabriel
; Sosa, Mariana Daniela
; Canneva, Antonela
; Saggion, Nicolás G.; Rojas, Graciela; Kaplan, Andrea Edith; Negri, Ricardo Martin
; D'accorso, Norma Beatriz
Fecha de publicación:
02/2022
Editorial:
Elsevier Science
Revista:
Separation and Purification Technology
ISSN:
1383-5866
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
To achieve highly efficient separation of oil/water mixtures, superhydrophobic/oleophilic, membranes based on covalent silanization of silica nanoparticles on metallic meshes were obtained. The membranes were prepared in a scalable two-step process. The characterization of modified nanoparticles as well as the membranes includes XPS, ATR, solid state NMR, SEM, EDS, TGA and tensile strength essays. In addition, several experiments were conducted in order to characterize the superhydrophobic behavior (water contact angle (WCA) measurements, oil flux, maximum water pressure on the membrane, affinity of the particles by organic phase, etc.). Although the silica nanoparticles are highly hydrophilic, after the modification they become strongly hydrophobic providing chemical resistance to hard water. The system allowed the separation of oil-water mixtures, being washable and reusable.
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Identificadores
Colecciones
Articulos(CIHIDECAR)
Articulos de CENTRO DE INVESTIGACIONES EN HIDRATOS DE CARBONO
Articulos de CENTRO DE INVESTIGACIONES EN HIDRATOS DE CARBONO
Articulos(INQUIMAE)
Articulos de INST.D/QUIM FIS D/L MATERIALES MEDIOAMB Y ENERGIA
Articulos de INST.D/QUIM FIS D/L MATERIALES MEDIOAMB Y ENERGIA
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Lombardo, Gabriel; Sosa, Mariana Daniela; Canneva, Antonela; Saggion, Nicolás G.; Rojas, Graciela; et al.; Superhydrophobic/superoleophilic membranes based on covalent silanization of silica nanoparticles; Elsevier Science; Separation and Purification Technology; 282; 120129; 2-2022; 1-9
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