Periodicity.: January - June 2013
e-ISSN......: 2236-269X
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Model for the correction of the specific gravity of biodiesel from residual oil

Tatiana Aparecida Rosa da Silva, Douglas Queiroz Santos, Waldomiro Borges Neto, Ana Paula de Lima

Abstract


Biodiesel is a important fuel with economic benefits, social and environmental. The production cost of the biodiesel can be significantly lowered if the raw material is replaced by a alternative material as residual oil. In this study, the variation of specific gravity with temperature increase for diesel and biodiesel from residual oil obtained by homogeneous basic catalysis. All properties analyzed for biodiesel are within specification Brazil. The determination of the correction algorithm for the specific gravity function of temperature is also presented, and the slope of the line to diesel fuel, methylic biodiesel (BMR) and ethylic biodiesel (BER) from residual oil were respectively the values -0.7089, -0.7290 and -0.7277. This demonstrates the existence of difference of the model when compared chemically different fuels, like diesel and biodiesel from different sources, indicating the importance of determining the specific algorithm for the operations of conversion of volume to the reference temperature.


Keywords


biodiesel; residual oil; correction algorithm; specific gravity

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DOI: http://dx.doi.org/10.14807/ijmp.v4i1.65

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