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Artículo

Valorization of citrus waste: Use in catalysis for the oxidation of sulfides

Colombo Migliorero, María Belén; Palermo, ValeriaIcon ; Vazquez, Patricia GracielaIcon ; Romanelli, Gustavo PabloIcon
Fecha de publicación: 02/2017
Editorial: Scrivener Publishing
Revista: Journal of Renewable Materials
ISSN: 2164-6341
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Recubrimientos y Películas

Resumen

The utilization and valorization of industrial waste is an effective strategy for environmental protection. Since the juice industry generates a huge amount of citrus waste, we studied the application of thermally treated orange peel in catalysis. On the other hand, Keggin heteropolyacids are excellent oxidant catalysts used as a replacement for conventional oxidants; however, their solubility in polar solvents and the low specific area limit their use as heterogeneous catalysts. The utilization of treated orange peel as heteropolyacid support for the selective oxidation of sulfides is presented here. Firstly, orange peel was thermally treated, and then it was incorporated with heteropolyacids (PMo) during the silica synthesis by the sol-gel method. Therefore, SiO2-PMo, SiO2-OP100-PMo, and SiO2-OP200-PMo were obtained, characterized by FTIR, SBET, XRD, and potentiometric titration, and were tested as heterogeneous catalysts in the selective oxidation of sulfide to sulfoxide in a greener process: H2O2 as oxidant and ethanol as solvent, at 25 °C.
Palabras clave: Heterogeneous Catalysis , Heteropolyacids , Orange Peel , Sulfide Oxidation , Waste Valorization
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/39577
DOI: https://doi.org/10.7569/JRM.2017.634108
URL: http://www.ingentaconnect.com/content/scrivener/jrm/2017/00000005/f0020003/art00
Colecciones
Articulos(CINDECA)
Articulos de CENTRO DE INV EN CS.APLICADAS "DR.JORGE J.RONCO"
Citación
Colombo Migliorero, María Belén; Palermo, Valeria; Vazquez, Patricia Graciela; Romanelli, Gustavo Pablo; Valorization of citrus waste: Use in catalysis for the oxidation of sulfides; Scrivener Publishing; Journal of Renewable Materials; 5; 3-4; 2-2017; 167-173
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