1. Introduction
Biofuels originating from renewable sources are considered
emerging alternatives to fossil fuels due to economic, social and
environmental advantages. Biodiesel is a renewable fuel composed
of a mixture of saturated and unsaturated esters typically produced
by the transesterification reaction of vegetable oils, animal
fat or waste cooking oil with short chain alcohols, such as methanol
or ethanol, in the presence of a catalyst [1].
Brazil has a wide diversity of fauna and flora thus the country
has a large variety of potential feedstock for biodiesel production
[2]. Most biodiesel produced in Brazil is obtained from soybean
oil; however, the Brazilian production is not enough to fulfill the
demands for food and energy simultaneously. Therefore, other oil
1. Introduction
Biofuels originating from renewable sources are considered
emerging alternatives to fossil fuels due to economic, social and
environmental advantages. Biodiesel is a renewable fuel composed
of a mixture of saturated and unsaturated esters typically produced
by the transesterification reaction of vegetable oils, animal
fat or waste cooking oil with short chain alcohols, such as methanol
or ethanol, in the presence of a catalyst [1].
Brazil has a wide diversity of fauna and flora thus the country
has a large variety of potential feedstock for biodiesel production
[2]. Most biodiesel produced in Brazil is obtained from soybean
oil; however, the Brazilian production is not enough to fulfill the
demands for food and energy simultaneously. Therefore, other oil
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