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Artículo

Optimization of biodiesel production process using sunflower oil and tetramethyl ammonium hydroxide as catalyst

Sanchez, Barbara SabrinaIcon ; Mendow, GustavoIcon ; Levrand, P.G.; Querini, Carlos AlbertoIcon
Fecha de publicación: 11/2013
Editorial: Elsevier
Revista: Fuel
ISSN: 0016-2361
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ingeniería Química

Resumen

In this work, the biodiesel production process by transesterification of sunflower oil was investigated using tetramethyl ammonium hydroxide (TMAH) as catalyst. The reaction conditions, such as catalyst concentration, temperature and reaction time were optimized in order to obtain a product that fulfills the quality requirements of international standards. It was found that the optimum reaction conditions were: temperature 60 C, 1.76 wt% TMAH catalyst and 2 h reaction time. High amount of soaps were formed when using this catalyst. Therefore, an alternative purification methodology was used, especially useful for samples with high soaps content. This procedure consists of a first extraction stage using neutral water, which efficiently remove soaps. TMAH increases the solubility of mono and di-glycerides in the glycerine phase, thus decreasing their concentration in the biodiesel phase. Consequently, for a given production of mono- and di-glycerides, lower amount of these compounds were found in the final biodiesel product, being this an important advantage of this catalyst.
Palabras clave: Biodiesel , Tetramethyl Ammonium Hydroxide , Transesterification
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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/11336/78593
URL: http://www.sciencedirect.com/science/article/pii/S0016236113004973
DOI: http://dx.doi.org/10.1016/j.fuel.2013.05.085
Colecciones
Articulos(INCAPE)
Articulos de INST.DE INVEST.EN CATALISIS Y PETROQUIMICA "ING. JOSE MIGUEL PARERA"
Citación
Sanchez, Barbara Sabrina; Mendow, Gustavo; Levrand, P.G.; Querini, Carlos Alberto; Optimization of biodiesel production process using sunflower oil and tetramethyl ammonium hydroxide as catalyst; Elsevier; Fuel; 113; 11-2013; 323-330
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