SUNFLOWER OIL BLEACHING BY ACID-ACTIVATED BENTONITE

Descripción del Articulo

Two bentonite clays with difierent mineralogical compositions from Mendoza, Argentine, were activated with H2SO4 solutions of 4 and 8 N at 90ºC for 3.5 hours. This treatment affected clay structural properties as was shown by thermogravimetry, infrared spectrometry and chemical analysis. Bleaching e...

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Detalles Bibliográficos
Autores: Luiz Foletto, Edson, Luiz Jahn, Sérgio, Volzone, Cristina, Marques Porto, Luismar
Formato: artículo
Fecha de Publicación:2007
Institución:Universidad Nacional Mayor de San Marcos
Repositorio:Revistas - Universidad Nacional Mayor de San Marcos
Lenguaje:español
OAI Identifier:oai:ojs.csi.unmsm:article/4273
Enlace del recurso:https://revistasinvestigacion.unmsm.edu.pe/index.php/quim/article/view/4273
Nivel de acceso:acceso abierto
Materia:Acid-treated clays
bentonile
oil bleaching.
Arcillas tratadas con ácido
bentonita
blanqueo de aceite.
Descripción
Sumario:Two bentonite clays with difierent mineralogical compositions from Mendoza, Argentine, were activated with H2SO4 solutions of 4 and 8 N at 90ºC for 3.5 hours. This treatment affected clay structural properties as was shown by thermogravimetry, infrared spectrometry and chemical analysis. Bleaching efficiency for sunflower oil was strongly dependent on acid concentration used for clay activation. The samples have bleaching capacity comparable to the standard. The mineralogical composition of natural clays has influenced the properties of activated clays.
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