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Quality parameters evolution during biodiesel oxidation using Rancimat test
Author(s) -
Lacoste Florence,
Lagardere Lionel
Publication year - 2003
Publication title -
european journal of lipid science and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.614
H-Index - 94
eISSN - 1438-9312
pISSN - 1438-7697
DOI - 10.1002/ejlt.200390030
Subject(s) - induction period , chemistry , food science , peroxide value , acid value , biodiesel , viscosity , organic chemistry , biochemistry , materials science , catalysis , composite material
A study was carried out in order to evaluate the evolution of peroxide value, anisidine value, kinematic viscosity at 40 °C, ester and linolenic acid content, UV absorbency, acid value, polymer and tocopherol content during the oxidation of fatty acid methyl ester (FAME) using the Rancimat test chosen by CEN for measuring oxidation stability of FAME (pr EN 14112). The oxidation curves obtained during Rancimat test were compared with those obtained by the variation of oxidation parameters mentioned above, against the time. All quality parameters studied present visible variation along Rancimat test except UV 270 nm. At the end of Rancimat induction period, the seven samples tested do not meet FAME or oils and fats specifications such as kinematic viscosity, acid value, ester content or peroxide value. Rancimat induction period is well correlated to induction period given by quality parameters (0.963