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Journal of the Mexican Chemical Society

versión impresa ISSN 1870-249X


AREVALO, Bárbara et al. The Production of Biodiesel from Blended Commercial Oil in Mexico: A Comparative Study. J. Mex. Chem. Soc [online]. 2008, vol.52, n.2, pp.136-139. ISSN 1870-249X.

Recently, a renewed interest has emerged in reformulated and alternative fuels as a way to control emissions and provide energy independence. Biodiesels (fatty acid methyl esters) derived from the transesterification of vegetable oils or animal fats with methanol are potential substitutes for petroleum-based diesel fuels. Compared with conventional diesel, biodiesel has the advantages of being biodegradable, renewable, non-toxic, and producing low emission of pollutants emissions (especially SOx). The biodiesel yield and its ester content were dependent on the type of vegetable oil used; both of these parameters decrease when the vegetable oil's acid value increased due to neutralization of the free fatty acids in the oil. The work that we present here describes a process for the preparation of biodiesel using blended commercial oils and lithium hydroxide as a catalyst. The viscosity, peroxide and acid value of biodiesel complied with specifications established by the EU (European Union) for this type of fuel.

Palabras clave : Biodisel; commercial oil; fatty acids.

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