EVALUATION OF OXIDATION STABILITY OF SUNFLOWER OIL BIODIESEL WITH ANTIOXIDANTS

被引：48
|
作者：
Ferrari, Roseli Aparecida [1 ]
de Souza, Waleska Lemes [2 ]
机构：
[1] Inst Tecnol Alimentos, Ctr Ciencia & Qualidade Alimentos, BR-13070178 Campinas, SP, Brazil
[2] Univ Estadual Ponta Grossa, Dept Engn Alimentos, BR-84030900 Ponta Grossa, Parana, Brazil
来源：
QUIMICA NOVA | 2009年 / 32卷 / 01期
关键词：
energy; peroxidation; lipid oxidation; DIFFERENTIAL SCANNING CALORIMETRY; METHYL SOYATE BIODIESEL; LIPID OXIDATION; VEGETABLE-OILS; RAPESEED OILS; ESTERS; BEHAVIOR;
D O I：
10.1590/S0100-40422009000100020
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Biodiesel can contain unsaturated fatty acids, which are susceptible to oxidation, being able to change into polymerized compounds. In this work biodiesel was characterized according to physical-chemistry parameters and the antioxidant activity of butylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT) and tert-butylhydroquinone (TBHQ) added to biofuel was analyzed. Biodiesel was submitted to accelerate oxidation in the Schaal oven test, and peroxide value was analyzed. The absorptivity values at 232 nm and 270 nm and oxidative stability in Rancimat (R) were determined. It was observed that TBHQ presented superior antioxidant activity than BHT and BHA.
引用
收藏
页码：106 / 111
页数：6
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