Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/243829
Type: Artigo de periódico
Title: Effect Of Temperature On The Oxidation Of Soybean Biodiesel
Author: Pereira
G. G.; Morales
A.; Marmesat
S.; Ruiz-Mendez
M. V.; Barrera-Arellano
D.; Dobarganes
M. C.
Abstract: This paper proposes to examine the effect of temperature on the oxidation behavior of biodiesel. Soybean biodiesel was oxidized at different temperatures (room temperature, 60, and 110 degrees C), and the increase in primary and secondary oxidation products was determined based on the peroxide and anisidine values, respectively, during the induction period (IP). The results indicated that the evolution of hydroperoxides followed zero-order reaction kinetics during the IP at all temperatures, and their rate of formation was exponentially affected by temperature. It was also deduced that temperature influenced the ratio between primary and secondary oxidation products formation, which decreased as the temperature increased. Additionally, it was possible to predict the oxidation behavior of the soybean biodiesel at room temperature by an exponential model fitted to the IP values at different temperatures (70, 80, 90, 100, and 110 degrees C) using the Rancimat apparatus.
Subject: Stability
Oil
Evolution
Country: SEVILLE
Editor: INST GRASA SUS DERIVADOS
Rights: fechado
Identifier DOI: 10.3989/gya.0835142
Address: http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1537/1700
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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