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Artículo

Synthesis of biodiesel from soybean oil using zinc layered hydroxide salts as heterogeneous catalysts

Reinoso, Deborath MarianaIcon ; Damiani, Daniel EduardoIcon ; Tonetto, Gabriela MartaIcon
Fecha de publicación: 03/2014
Editorial: Royal Society of Chemistry
Revista: Catalysis Science & Technology
ISSN: 2044-4761
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería de Procesos Químicos

Resumen

In this work, the transesterification of soybean oil with methanol using layered heterogeneous catalysts to produce biodiesel was studied. The zinc hydroxy acetate salt Zn5(OH)8(CH3COO)2·4H2O (abbreviated Zn–Ac) and the zinc hydroxy nitrate salt Zn5(OH)8(NO3)2·2H2O (abbreviated Zn–Nit), which have a layered structure, were synthesized (chemical precipitation) and characterized by X-ray diffraction, infrared spectroscopy, scanning electron microscopy, particle size distribution measurements, specific surface area determination and thermogravimetric analysis. Zn–Ac and Zn–Nit were tested in the transesterification of soybean oil at 100 °C for 2 h. Zn–Nit presented 83.9% oil conversion with 51.5% FAME yield, and it was stable in three consecutive tests, showing good tolerance to aqueous content. Zn–Ac was not stable. The salts transformed into Zn glycerolate at 140 °C in the reaction medium.
Palabras clave: Heterogeneous Basic Catalyst , Zinc Hydroxy Acetate , Zinc Hydroxy Nitrate , Transesterification , Soybean Oil
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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/11336/13550
URL: http://pubs.rsc.org/en/Content/ArticleLanding/2014/CY/c4cy00145a#!divAbstract
URL: http:/dx.doi.org/10.1039/c4cy00145a
Colecciones
Articulos(PLAPIQUI)
Articulos de PLANTA PILOTO DE INGENIERIA QUIMICA (I)
Citación
Reinoso, Deborath Mariana; Damiani, Daniel Eduardo; Tonetto, Gabriela Marta; Synthesis of biodiesel from soybean oil using zinc layered hydroxide salts as heterogeneous catalysts; Royal Society of Chemistry; Catalysis Science & Technology; 4; 3-2014; 1803-1812
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